diff --git a/libs/model/src/comment/CreateComment.command.ts b/libs/model/src/comment/CreateComment.command.ts
index a0422b3983b..cafd5c52226 100644
--- a/libs/model/src/comment/CreateComment.command.ts
+++ b/libs/model/src/comment/CreateComment.command.ts
@@ -71,7 +71,7 @@ export function CreateComment(): Command<
               text,
               address_id: address.id!,
               reaction_count: 0,
-              reaction_weights_sum: 0,
+              reaction_weights_sum: '0',
               created_by: '',
               search: getCommentSearchVector(text),
               content_url: contentUrl,
diff --git a/libs/model/src/comment/CreateCommentReaction.command.ts b/libs/model/src/comment/CreateCommentReaction.command.ts
index 412e87a0b3f..9bca7ad2c8c 100644
--- a/libs/model/src/comment/CreateCommentReaction.command.ts
+++ b/libs/model/src/comment/CreateCommentReaction.command.ts
@@ -38,7 +38,7 @@ export function CreateCommentReaction(): Command<
               address_id: address.id!,
               comment_id: comment.id,
               reaction: payload.reaction,
-              calculated_voting_weight,
+              calculated_voting_weight: calculated_voting_weight?.toString(),
               canvas_msg_id: payload.canvas_msg_id,
               canvas_signed_data: payload.canvas_signed_data,
             },
diff --git a/libs/model/src/community/CreateTopic.command.ts b/libs/model/src/community/CreateTopic.command.ts
index 35f7aaf4cd4..65c17dab2f2 100644
--- a/libs/model/src/community/CreateTopic.command.ts
+++ b/libs/model/src/community/CreateTopic.command.ts
@@ -63,7 +63,6 @@ export function CreateTopic(): Command<
           options = {
             ...options,
             weighted_voting: payload.weighted_voting,
-            chain_node_id: payload.chain_node_id || undefined,
             token_address: payload.token_address || undefined,
             token_symbol: payload.token_symbol || undefined,
             vote_weight_multiplier: payload.vote_weight_multiplier || undefined,
diff --git a/libs/model/src/models/associations.ts b/libs/model/src/models/associations.ts
index 0ef84150c9f..6807b32f7d5 100644
--- a/libs/model/src/models/associations.ts
+++ b/libs/model/src/models/associations.ts
@@ -34,8 +34,7 @@ export const buildAssociations = (db: DB) => {
 
   db.ChainNode.withMany(db.Community)
     .withMany(db.EvmEventSource)
-    .withOne(db.LastProcessedEvmBlock)
-    .withMany(db.Topic);
+    .withOne(db.LastProcessedEvmBlock);
 
   db.ContractAbi.withMany(db.EvmEventSource, { foreignKey: 'abi_id' });
 
diff --git a/libs/model/src/models/comment.ts b/libs/model/src/models/comment.ts
index 8d7f9ebc339..abd1a1aa24c 100644
--- a/libs/model/src/models/comment.ts
+++ b/libs/model/src/models/comment.ts
@@ -56,7 +56,7 @@ export default (
         defaultValue: 0,
       },
       reaction_weights_sum: {
-        type: Sequelize.INTEGER,
+        type: Sequelize.DECIMAL(78, 0),
         allowNull: false,
         defaultValue: 0,
       },
diff --git a/libs/model/src/models/reaction.ts b/libs/model/src/models/reaction.ts
index 781d12d4367..554c5caedd5 100644
--- a/libs/model/src/models/reaction.ts
+++ b/libs/model/src/models/reaction.ts
@@ -20,7 +20,10 @@ export default (
       comment_id: { type: Sequelize.INTEGER, allowNull: true },
       address_id: { type: Sequelize.INTEGER, allowNull: false },
       reaction: { type: Sequelize.ENUM('like'), allowNull: false },
-      calculated_voting_weight: { type: Sequelize.INTEGER, allowNull: true },
+      calculated_voting_weight: {
+        type: Sequelize.DECIMAL(78, 0),
+        allowNull: true,
+      },
       // canvas-related columns
       canvas_signed_data: { type: Sequelize.JSONB, allowNull: true },
       canvas_msg_id: { type: Sequelize.STRING, allowNull: true },
diff --git a/libs/model/src/models/thread.ts b/libs/model/src/models/thread.ts
index 714720df1c3..ab7fa6174d9 100644
--- a/libs/model/src/models/thread.ts
+++ b/libs/model/src/models/thread.ts
@@ -77,7 +77,7 @@ export default (
         defaultValue: 0,
       },
       reaction_weights_sum: {
-        type: Sequelize.INTEGER,
+        type: Sequelize.DECIMAL(78, 0),
         allowNull: false,
         defaultValue: 0,
       },
diff --git a/libs/model/src/models/topic.ts b/libs/model/src/models/topic.ts
index 0969f8988f1..fa2289b9b30 100644
--- a/libs/model/src/models/topic.ts
+++ b/libs/model/src/models/topic.ts
@@ -1,7 +1,6 @@
 import { Topic } from '@hicommonwealth/schemas';
 import Sequelize from 'sequelize';
 import { z } from 'zod';
-import { ChainNodeAttributes } from './chain_node';
 import type { CommunityAttributes } from './community';
 import type { ThreadAttributes } from './thread';
 import type { ModelInstance } from './types';
@@ -10,7 +9,6 @@ export type TopicAttributes = z.infer<typeof Topic> & {
   // associations
   community?: CommunityAttributes;
   threads?: ThreadAttributes[] | TopicAttributes['id'][];
-  ChainNode?: ChainNodeAttributes;
 };
 export type TopicInstance = ModelInstance<TopicAttributes>;
 
@@ -50,18 +48,9 @@ export default (
       },
       telegram: { type: Sequelize.STRING, allowNull: true },
       weighted_voting: { type: Sequelize.STRING, allowNull: true },
-      chain_node_id: {
-        type: Sequelize.INTEGER,
-        allowNull: true,
-        references: {
-          model: 'ChainNodes',
-          key: 'id',
-        },
-        onUpdate: 'CASCADE',
-      },
       token_address: { type: Sequelize.STRING, allowNull: true },
       token_symbol: { type: Sequelize.STRING, allowNull: true },
-      vote_weight_multiplier: { type: Sequelize.INTEGER, allowNull: true },
+      vote_weight_multiplier: { type: Sequelize.FLOAT, allowNull: true },
     },
     {
       timestamps: true,
diff --git a/libs/model/src/services/stakeHelper.ts b/libs/model/src/services/stakeHelper.ts
index 313d979b789..40b35bf874d 100644
--- a/libs/model/src/services/stakeHelper.ts
+++ b/libs/model/src/services/stakeHelper.ts
@@ -17,9 +17,9 @@ import { contractHelpers } from '../services/commonProtocol';
 export async function getVotingWeight(
   topic_id: number,
   address: string,
-): Promise<number | null> {
+): Promise<BigNumber | null> {
   if (config.STAKE.REACTION_WEIGHT_OVERRIDE)
-    return config.STAKE.REACTION_WEIGHT_OVERRIDE;
+    return BigNumber.from(config.STAKE.REACTION_WEIGHT_OVERRIDE);
 
   const topic = await models.Topic.findByPk(topic_id, {
     include: [
@@ -38,25 +38,21 @@ export async function getVotingWeight(
           },
         ],
       },
-      {
-        model: models.ChainNode,
-        required: false,
-      },
     ],
   });
-
   mustExist('Topic', topic);
 
   const { community } = topic;
-
   mustExist('Community', community);
 
+  const chain_node = community.ChainNode;
+
   if (topic.weighted_voting === TopicWeightedVoting.Stake) {
+    mustExist('Chain Node Eth Chain Id', chain_node?.eth_chain_id);
     mustExist('Community Namespace Address', community.namespace_address);
+
     const stake = topic.community?.CommunityStakes?.at(0);
     mustExist('Community Stake', stake);
-    const chain_node = community.ChainNode;
-    mustExist('Chain Node Eth Chain Id', chain_node?.eth_chain_id);
 
     const stakeBalances = await contractHelpers.getNamespaceBalance(
       community.namespace_address,
@@ -70,24 +66,23 @@ export async function getVotingWeight(
 
     return commonProtocol.calculateVoteWeight(stakeBalance, stake.vote_weight);
   } else if (topic.weighted_voting === TopicWeightedVoting.ERC20) {
-    const {
-      ChainNode: chain_node,
-      token_address,
-      vote_weight_multiplier,
-    } = topic;
-    mustExist('Topic Chain Node Eth Chain Id', chain_node?.eth_chain_id);
+    mustExist('Chain Node Eth Chain Id', chain_node?.eth_chain_id);
 
     const balances = await tokenBalanceCache.getBalances({
       balanceSourceType: BalanceSourceType.ERC20,
       addresses: [address],
       sourceOptions: {
-        evmChainId: chain_node?.eth_chain_id,
-        contractAddress: token_address!,
+        evmChainId: chain_node.eth_chain_id,
+        contractAddress: topic.token_address!,
       },
       cacheRefresh: true,
     });
-    const balance = balances[address];
-    return commonProtocol.calculateVoteWeight(balance, vote_weight_multiplier!);
+    const result = commonProtocol.calculateVoteWeight(
+      balances[address],
+      topic.vote_weight_multiplier!,
+    );
+    // only count full ERC20 tokens
+    return result?.div(BigNumber.from(10).pow(18)) || null;
   }
 
   // no weighted voting
diff --git a/libs/model/src/tester/e2eSeeds.ts b/libs/model/src/tester/e2eSeeds.ts
index cae953543d3..3d6c81d2309 100644
--- a/libs/model/src/tester/e2eSeeds.ts
+++ b/libs/model/src/tester/e2eSeeds.ts
@@ -201,7 +201,7 @@ export const e2eTestEntities = async function (
                   stage: 'discussion',
                   view_count: 0,
                   reaction_count: 0,
-                  reaction_weights_sum: 0,
+                  reaction_weights_sum: '0',
                   comment_count: 0,
                   search: getThreadSearchVector(
                     `testThread Title ${-i - 1}`,
@@ -233,7 +233,7 @@ export const e2eTestEntities = async function (
                   stage: 'discussion',
                   view_count: 0,
                   reaction_count: 0,
-                  reaction_weights_sum: 0,
+                  reaction_weights_sum: '0',
                   comment_count: 0,
                   search: getThreadSearchVector(
                     `testThread Title ${-i - 1 - 2}`,
@@ -276,6 +276,7 @@ export const e2eTestEntities = async function (
                   text: '',
                   thread_id: -1,
                   reaction_count: 0,
+                  reaction_weights_sum: '0',
                   search: getCommentSearchVector(''),
                 },
               })
@@ -298,6 +299,7 @@ export const e2eTestEntities = async function (
                   text: '',
                   thread_id: -2,
                   reaction_count: 0,
+                  reaction_weights_sum: '0',
                   search: getCommentSearchVector(''),
                 },
               })
diff --git a/libs/model/src/thread/CreateThread.command.ts b/libs/model/src/thread/CreateThread.command.ts
index 579350acae6..7b8f77ee5d5 100644
--- a/libs/model/src/thread/CreateThread.command.ts
+++ b/libs/model/src/thread/CreateThread.command.ts
@@ -131,7 +131,7 @@ export function CreateThread(): Command<
               view_count: 0,
               comment_count: 0,
               reaction_count: 0,
-              reaction_weights_sum: 0,
+              reaction_weights_sum: '0',
               search: getThreadSearchVector(rest.title, body),
               content_url: contentUrl,
             },
diff --git a/libs/model/src/thread/CreateThreadReaction.command.ts b/libs/model/src/thread/CreateThreadReaction.command.ts
index 935360ce7ae..351e57cc40e 100644
--- a/libs/model/src/thread/CreateThreadReaction.command.ts
+++ b/libs/model/src/thread/CreateThreadReaction.command.ts
@@ -46,7 +46,7 @@ export function CreateThreadReaction(): Command<
               address_id: address.id!,
               thread_id: thread.id,
               reaction: payload.reaction,
-              calculated_voting_weight,
+              calculated_voting_weight: calculated_voting_weight?.toString(),
               canvas_msg_id: payload.canvas_msg_id,
               canvas_signed_data: payload.canvas_signed_data,
             },
diff --git a/libs/model/test/community/community-lifecycle.spec.ts b/libs/model/test/community/community-lifecycle.spec.ts
index 9adb0f9f583..fe52cd1695b 100644
--- a/libs/model/test/community/community-lifecycle.spec.ts
+++ b/libs/model/test/community/community-lifecycle.spec.ts
@@ -460,7 +460,6 @@ describe('Community lifecycle', () => {
     });
 
     test('should create topic (stake weighted)', async () => {
-      // when community is staked, topic will automatically be staked
       await models.CommunityStake.create({
         community_id: community.id,
         stake_id: 1,
@@ -476,6 +475,7 @@ describe('Community lifecycle', () => {
           description: 'boohoo',
           featured_in_sidebar: false,
           featured_in_new_post: false,
+          weighted_voting: TopicWeightedVoting.Stake,
         },
       });
       const { topic } = result!;
diff --git a/libs/model/test/contest-worker/contest-worker-policy.spec.ts b/libs/model/test/contest-worker/contest-worker-policy.spec.ts
index 3b73b4d6437..47a3b759b2f 100644
--- a/libs/model/test/contest-worker/contest-worker-policy.spec.ts
+++ b/libs/model/test/contest-worker/contest-worker-policy.spec.ts
@@ -99,7 +99,7 @@ describe('Contest Worker Policy', () => {
             stage: '',
             view_count: 0,
             reaction_count: 0,
-            reaction_weights_sum: 0,
+            reaction_weights_sum: '0',
             comment_count: 0,
             deleted_at: undefined,
             pinned: false,
diff --git a/libs/model/test/contest/contests-projection-lifecycle.spec.ts b/libs/model/test/contest/contests-projection-lifecycle.spec.ts
index 057777a56fd..e8afe908dff 100644
--- a/libs/model/test/contest/contests-projection-lifecycle.spec.ts
+++ b/libs/model/test/contest/contests-projection-lifecycle.spec.ts
@@ -162,7 +162,7 @@ describe('Contests projection lifecycle', () => {
           topic_id: undefined,
           view_count: 1,
           reaction_count: 1,
-          reaction_weights_sum: 1,
+          reaction_weights_sum: '1',
           comment_count: 1,
           discord_meta: undefined,
           deleted_at: undefined, // so we can find it!
diff --git a/libs/model/test/email/recap-email-lifecycle.spec.ts b/libs/model/test/email/recap-email-lifecycle.spec.ts
index 9450116bc95..2654dbd2d79 100644
--- a/libs/model/test/email/recap-email-lifecycle.spec.ts
+++ b/libs/model/test/email/recap-email-lifecycle.spec.ts
@@ -72,11 +72,13 @@ describe('Recap email lifecycle', () => {
       topic_id: community?.topics?.at(0)?.id,
       pinned: false,
       read_only: false,
+      reaction_weights_sum: '0',
     });
 
     [comment] = await seed('Comment', {
       address_id: community?.Addresses?.at(0)?.id,
       thread_id: thread!.id!,
+      reaction_weights_sum: '0',
     });
   });
 
diff --git a/libs/model/test/email/util.ts b/libs/model/test/email/util.ts
index e344c8fde25..6b3fef65efa 100644
--- a/libs/model/test/email/util.ts
+++ b/libs/model/test/email/util.ts
@@ -324,6 +324,7 @@ export async function generateThreads(
     topic_id: communityThree?.topics?.at(0)?.id,
     pinned: false,
     read_only: false,
+    reaction_weights_sum: '0',
   });
 
   // 3 threads for communityOne and 1 thread for communityTwo
@@ -334,6 +335,7 @@ export async function generateThreads(
     pinned: false,
     read_only: false,
     view_count: 10,
+    reaction_weights_sum: '0',
   });
   const [threadTwo] = await seed('Thread', {
     address_id: communityOne?.Addresses?.at(0)?.id,
@@ -342,6 +344,7 @@ export async function generateThreads(
     pinned: false,
     read_only: false,
     view_count: 5,
+    reaction_weights_sum: '0',
   });
 
   const [threadThree] = await seed('Thread', {
@@ -351,6 +354,7 @@ export async function generateThreads(
     pinned: false,
     read_only: false,
     view_count: 1,
+    reaction_weights_sum: '0',
   });
 
   const [threadFour] = await seed('Thread', {
@@ -360,6 +364,7 @@ export async function generateThreads(
     pinned: false,
     read_only: false,
     view_count: 10,
+    reaction_weights_sum: '0',
   });
 
   return {
diff --git a/libs/model/test/reaction/reaction-lifecycle.spec.ts b/libs/model/test/reaction/reaction-lifecycle.spec.ts
index a2aee704848..f70d0837714 100644
--- a/libs/model/test/reaction/reaction-lifecycle.spec.ts
+++ b/libs/model/test/reaction/reaction-lifecycle.spec.ts
@@ -53,6 +53,7 @@ describe('Reactions lifecycle', () => {
         deleted_at: undefined, // so we can find it!
         pinned: false,
         read_only: false,
+        reaction_weights_sum: '0',
       },
       //{ mock: true, log: true },
     );
@@ -68,7 +69,7 @@ describe('Reactions lifecycle', () => {
       reaction: 'like',
       canvas_signed_data: '',
       canvas_msg_id: '',
-      calculated_voting_weight: 0,
+      calculated_voting_weight: '0',
     });
 
     const lastOutboxEntry = await models.Outbox.findOne({
diff --git a/libs/model/test/subscription/comment-subscription-lifecycle.spec.ts b/libs/model/test/subscription/comment-subscription-lifecycle.spec.ts
index 559c62f0183..62174ddc18c 100644
--- a/libs/model/test/subscription/comment-subscription-lifecycle.spec.ts
+++ b/libs/model/test/subscription/comment-subscription-lifecycle.spec.ts
@@ -46,15 +46,18 @@ describe('Comment subscription lifecycle', () => {
       topic_id: community?.topics?.at(0)?.id,
       pinned: false,
       read_only: false,
+      reaction_weights_sum: '0',
     });
 
     [commentOne] = await seed('Comment', {
       address_id: community?.Addresses?.at(0)?.id,
       thread_id: thread!.id!,
+      reaction_weights_sum: '0',
     });
     [commentTwo] = await seed('Comment', {
       address_id: community?.Addresses?.at(0)?.id,
       thread_id: thread!.id!,
+      reaction_weights_sum: '0',
     });
     actor = {
       user: { id: user!.id!, email: user!.email! },
diff --git a/libs/model/test/subscription/thread-subscription-lifecycle.spec.ts b/libs/model/test/subscription/thread-subscription-lifecycle.spec.ts
index ce23d43738d..c824e5cfa81 100644
--- a/libs/model/test/subscription/thread-subscription-lifecycle.spec.ts
+++ b/libs/model/test/subscription/thread-subscription-lifecycle.spec.ts
@@ -46,6 +46,7 @@ describe('Thread subscription lifecycle', () => {
       topic_id: community!.topics![0].id,
       pinned: false,
       read_only: false,
+      reaction_weights_sum: '0',
     });
     [threadTwo] = await seed('Thread', {
       address_id: community!.Addresses![0].id!,
@@ -53,6 +54,7 @@ describe('Thread subscription lifecycle', () => {
       topic_id: community!.topics![0].id,
       pinned: false,
       read_only: false,
+      reaction_weights_sum: '0',
     });
     actor = {
       user: { id: user!.id!, email: user!.email! },
diff --git a/libs/model/test/thread/thread-lifecycle.spec.ts b/libs/model/test/thread/thread-lifecycle.spec.ts
index 866dc4c2ff7..405cb8134fa 100644
--- a/libs/model/test/thread/thread-lifecycle.spec.ts
+++ b/libs/model/test/thread/thread-lifecycle.spec.ts
@@ -228,6 +228,7 @@ describe('Thread lifecycle', () => {
       archived_at: new Date(),
       pinned: false,
       read_only: false,
+      reaction_weights_sum: '0',
     });
     archived = archived_thread;
 
@@ -237,6 +238,7 @@ describe('Thread lifecycle', () => {
       topic_id: community?.topics?.at(0)?.id,
       pinned: false,
       read_only: true,
+      reaction_weights_sum: '0',
     });
     read_only = read_only_thread;
 
@@ -896,9 +898,11 @@ describe('Thread lifecycle', () => {
         },
       });
       const expectedWeight = 50 * vote_weight;
-      expect(reaction?.calculated_voting_weight).to.eq(expectedWeight);
+      expect(`${reaction?.calculated_voting_weight}`).to.eq(
+        `${expectedWeight}`,
+      );
       const t = await models.Thread.findByPk(thread!.id);
-      expect(t!.reaction_weights_sum).to.eq(expectedWeight);
+      expect(`${t!.reaction_weights_sum}`).to.eq(`${expectedWeight}`);
     });
 
     test('should delete a reaction', async () => {
@@ -966,9 +970,11 @@ describe('Thread lifecycle', () => {
         },
       });
       const expectedWeight = 50 * vote_weight;
-      expect(reaction?.calculated_voting_weight).to.eq(expectedWeight);
+      expect(`${reaction?.calculated_voting_weight}`).to.eq(
+        `${expectedWeight}`,
+      );
       const c = await models.Comment.findByPk(comment!.id);
-      expect(c!.reaction_weights_sum).to.eq(expectedWeight * 2); // *2 to account for first member reaction
+      expect(`${c!.reaction_weights_sum}`).to.eq(`${expectedWeight * 2}`); // *2 to account for first member reaction
     });
 
     test('should throw error when comment not found', async () => {
diff --git a/libs/model/test/user/new-content-lifecycle.spec.ts b/libs/model/test/user/new-content-lifecycle.spec.ts
index e4b73ff5261..d4ad04cd84f 100644
--- a/libs/model/test/user/new-content-lifecycle.spec.ts
+++ b/libs/model/test/user/new-content-lifecycle.spec.ts
@@ -74,6 +74,7 @@ describe('New Content lifecycle', () => {
       pinned: false,
       read_only: false,
       body: 'Sample 1',
+      reaction_weights_sum: '0',
     });
     await seed('Thread', {
       address_id: address1.id!,
@@ -81,6 +82,7 @@ describe('New Content lifecycle', () => {
       pinned: false,
       read_only: false,
       body: 'Sample 2',
+      reaction_weights_sum: '0',
     });
 
     // now actor 2 should only get 1 entry for that community in new content array
diff --git a/libs/model/test/util-tests/getCommentDepth.spec.ts b/libs/model/test/util-tests/getCommentDepth.spec.ts
index 99a02dca6c2..09c438b1938 100644
--- a/libs/model/test/util-tests/getCommentDepth.spec.ts
+++ b/libs/model/test/util-tests/getCommentDepth.spec.ts
@@ -28,6 +28,7 @@ describe('getCommentDepth', () => {
       title: 'Testing',
       kind: 'discussion',
       search: getThreadSearchVector('Testing', ''),
+      reaction_weights_sum: '0',
     });
     let comment: CommentInstance;
     for (let i = 0; i < maxDepth; i++) {
diff --git a/libs/schemas/src/commands/community.schemas.ts b/libs/schemas/src/commands/community.schemas.ts
index 05953b63b97..48204383c89 100644
--- a/libs/schemas/src/commands/community.schemas.ts
+++ b/libs/schemas/src/commands/community.schemas.ts
@@ -170,7 +170,6 @@ export const CreateTopic = {
         featured_in_new_post: true,
         default_offchain_template: true,
         weighted_voting: true,
-        chain_node_id: true,
         token_address: true,
         token_symbol: true,
         vote_weight_multiplier: true,
diff --git a/libs/schemas/src/entities/comment.schemas.ts b/libs/schemas/src/entities/comment.schemas.ts
index 493e4624e24..37ab3e422a3 100644
--- a/libs/schemas/src/entities/comment.schemas.ts
+++ b/libs/schemas/src/entities/comment.schemas.ts
@@ -41,8 +41,12 @@ export const Comment = z.object({
     .nullish(),
 
   reaction_count: PG_INT,
-  reaction_weights_sum: PG_INT.optional(),
-
+  reaction_weights_sum: z
+    .string()
+    .refine((str) => {
+      return /^[0-9]+$/.test(str); // only numbers
+    })
+    .nullish(),
   search: z.union([z.string(), z.record(z.any())]),
 
   Address: Address.nullish(),
diff --git a/libs/schemas/src/entities/reaction.schemas.ts b/libs/schemas/src/entities/reaction.schemas.ts
index 77ebf3cca5f..8539c940dc1 100644
--- a/libs/schemas/src/entities/reaction.schemas.ts
+++ b/libs/schemas/src/entities/reaction.schemas.ts
@@ -9,7 +9,7 @@ export const Reaction = z.object({
   thread_id: PG_INT.nullish(),
   comment_id: PG_INT.nullish(),
   proposal_id: z.number().nullish(),
-  calculated_voting_weight: PG_INT.nullish(),
+  calculated_voting_weight: z.string().nullish(),
   canvas_signed_data: z.any().nullish(),
   canvas_msg_id: z.string().max(255).nullish(),
   created_at: z.coerce.date().optional(),
diff --git a/libs/schemas/src/entities/thread.schemas.ts b/libs/schemas/src/entities/thread.schemas.ts
index bc8cd1b8478..0787557ca9e 100644
--- a/libs/schemas/src/entities/thread.schemas.ts
+++ b/libs/schemas/src/entities/thread.schemas.ts
@@ -49,7 +49,12 @@ export const Thread = z.object({
 
   //counts
   reaction_count: PG_INT.optional(),
-  reaction_weights_sum: PG_INT.optional(),
+  reaction_weights_sum: z
+    .string()
+    .refine((str) => {
+      return /^[0-9]+$/.test(str); // only numbers
+    })
+    .nullish(),
   comment_count: PG_INT.optional().optional(),
 
   activity_rank_date: z.coerce.date().nullish(),
diff --git a/libs/schemas/src/entities/topic.schemas.ts b/libs/schemas/src/entities/topic.schemas.ts
index 3d6b9b0290d..75943cd5cb0 100644
--- a/libs/schemas/src/entities/topic.schemas.ts
+++ b/libs/schemas/src/entities/topic.schemas.ts
@@ -39,9 +39,6 @@ export const Topic = z.object({
   group_ids: z.array(PG_INT).default([]),
   default_offchain_template_backup: z.string().nullish(),
   weighted_voting: z.nativeEnum(TopicWeightedVoting).nullish(),
-  chain_node_id: PG_INT.nullish().describe(
-    'token chain node ID, used for ERC20 topics',
-  ),
   token_address: z
     .string()
     .nullish()
@@ -50,9 +47,11 @@ export const Topic = z.object({
     .string()
     .nullish()
     .describe('token symbol, used for ERC20 topics'),
-  vote_weight_multiplier: PG_INT.nullish().describe(
-    'vote weight multiplier, used for ERC20 topics',
-  ),
+  vote_weight_multiplier: z
+    .number()
+    .gt(0)
+    .nullish()
+    .describe('vote weight multiplier, used for ERC20 topics'),
 
   created_at: z.coerce.date().optional(),
   updated_at: z.coerce.date().optional(),
diff --git a/libs/shared/package.json b/libs/shared/package.json
index 7c738da882e..dc40c06661b 100644
--- a/libs/shared/package.json
+++ b/libs/shared/package.json
@@ -31,9 +31,10 @@
     "@canvas-js/interfaces": "^0.10.10",
     "@canvas-js/signatures": "^0.10.10",
     "@cosmjs/encoding": "0.32.3",
+    "@ethersproject/bignumber": "^5.7.0",
     "@ipld/dag-json": "^10.2.0",
-    "@polkadot/util": "12.6.2",
     "@libp2p/peer-id-factory": "^4.2.4",
+    "@polkadot/util": "12.6.2",
     "moment": "^2.23.0",
     "safe-stable-stringify": "^2.4.2"
   },
diff --git a/libs/shared/src/commonProtocol/utils.ts b/libs/shared/src/commonProtocol/utils.ts
index 8a83ce19c58..61b090f5d9e 100644
--- a/libs/shared/src/commonProtocol/utils.ts
+++ b/libs/shared/src/commonProtocol/utils.ts
@@ -1,5 +1,15 @@
-export const calculateVoteWeight = (balance: string, voteWeight: number) => {
-  return parseInt(balance, 10) * voteWeight;
+import { BigNumber } from '@ethersproject/bignumber';
+
+export const calculateVoteWeight = (
+  balance: string, // should be in wei
+  voteWeight: number,
+): BigNumber | null => {
+  if (!balance || voteWeight <= 0) return null;
+  const bigBalance = BigNumber.from(balance);
+  const precision = 1e6;
+  const scaledVoteWeight = Math.floor(voteWeight * precision);
+  const result = bigBalance.mul(scaledVoteWeight).div(precision);
+  return result;
 };
 
 export enum Denominations {
diff --git a/libs/shared/test/commonProtocol.spec.ts b/libs/shared/test/commonProtocol.spec.ts
new file mode 100644
index 00000000000..421ae3e5c90
--- /dev/null
+++ b/libs/shared/test/commonProtocol.spec.ts
@@ -0,0 +1,50 @@
+import { calculateVoteWeight } from 'shared/src/commonProtocol';
+import { describe, expect, it } from 'vitest';
+
+describe('commonProtocol', () => {
+  describe('calculateVoteWeight', () => {
+    it('should calculate voting weight for balance with 1 multiplier', () => {
+      {
+        const result = calculateVoteWeight('1', 1);
+        expect(result!.toString()).eq('1');
+      }
+
+      {
+        const result = calculateVoteWeight('1000', 1);
+        expect(result!.toString()).eq('1000');
+      }
+    });
+
+    it('should calculate voting weight for balance with > 1 multiplier', () => {
+      {
+        const result = calculateVoteWeight('1', 3);
+        expect(result!.toString()).eq('3');
+      }
+
+      {
+        const result = calculateVoteWeight('1000', 3);
+        expect(result!.toString()).eq('3000');
+      }
+
+      {
+        const result = calculateVoteWeight('1000000000000000000000000000', 7);
+        expect(result!.toString()).eq('7000000000000000000000000000');
+      }
+
+      {
+        const result = calculateVoteWeight('10', 1.5);
+        expect(result!.toString()).eq('15');
+      }
+
+      {
+        const result = calculateVoteWeight('1000', 1.234);
+        expect(result!.toString()).eq('1234');
+      }
+
+      {
+        const result = calculateVoteWeight('1000', 0.5);
+        expect(result!.toString()).eq('500');
+      }
+    });
+  });
+});
diff --git a/libs/sitemaps/test/integration/createSitemapGenerator.spec.ts b/libs/sitemaps/test/integration/createSitemapGenerator.spec.ts
index 4e5e497c7f4..235688441f6 100644
--- a/libs/sitemaps/test/integration/createSitemapGenerator.spec.ts
+++ b/libs/sitemaps/test/integration/createSitemapGenerator.spec.ts
@@ -67,7 +67,7 @@ describe('createSitemapGenerator', { timeout: 10_000 }, function () {
         canvas_signed_data: '',
         canvas_msg_id: '',
         reaction_count: 0,
-        reaction_weights_sum: 0,
+        reaction_weights_sum: '0',
         comment_count: 0,
         profile_name: 'foobar',
         topic_id: topic.id,
diff --git a/packages/commonwealth/client/scripts/models/Reaction.ts b/packages/commonwealth/client/scripts/models/Reaction.ts
index 2943183422e..3745affc2e6 100644
--- a/packages/commonwealth/client/scripts/models/Reaction.ts
+++ b/packages/commonwealth/client/scripts/models/Reaction.ts
@@ -18,7 +18,7 @@ class Reaction {
 
   public readonly profile: UserProfile;
 
-  public calculatedVotingWeight: number;
+  public calculatedVotingWeight: string;
   // TODO: Do thread/comment/proposal ids ever appear as strings?
 
   constructor({
diff --git a/packages/commonwealth/client/scripts/models/Thread.ts b/packages/commonwealth/client/scripts/models/Thread.ts
index 89f9fce5c3d..fb75903fbc2 100644
--- a/packages/commonwealth/client/scripts/models/Thread.ts
+++ b/packages/commonwealth/client/scripts/models/Thread.ts
@@ -263,7 +263,7 @@ export class Thread implements IUniqueId {
   public associatedReactions: AssociatedReaction[];
   public associatedContests?: AssociatedContest[];
   public recentComments?: Comment<IUniqueId>[];
-  public reactionWeightsSum: number;
+  public reactionWeightsSum: string;
   public links: Link[];
   public readonly discord_meta: any;
   public readonly latestActivity: Moment;
@@ -353,7 +353,7 @@ export class Thread implements IUniqueId {
     reactionType?: any[]; // TODO: fix type
     reactionTimestamps?: string[];
     reactionWeights?: number[];
-    reaction_weights_sum: number;
+    reaction_weights_sum: string;
     ThreadVersionHistories: ThreadVersionHistory[];
     Address: any; // TODO: fix type
     discord_meta?: any;
@@ -457,7 +457,7 @@ export class Thread implements IUniqueId {
           parent_id: null,
           reactions: [],
           CommentVersionHistories: [],
-          reaction_weights_sum: 0,
+          reaction_weights_sum: '0',
           canvas_signed_data: null,
           canvas_msg_id: null,
         }),
diff --git a/packages/commonwealth/client/scripts/models/Topic.ts b/packages/commonwealth/client/scripts/models/Topic.ts
index b449b939e8a..44c349014d1 100644
--- a/packages/commonwealth/client/scripts/models/Topic.ts
+++ b/packages/commonwealth/client/scripts/models/Topic.ts
@@ -28,7 +28,6 @@ class Topic {
   public readonly defaultOffchainTemplate: TopicAttributes['default_offchain_template'];
   public totalThreads: TopicAttributes['total_threads'];
   public readonly activeContestManagers: TopicAttributes['active_contest_managers'];
-  public readonly chainNodeId: TopicAttributes['chain_node_id'];
   public readonly groupIds: TopicAttributes['group_ids'];
   public readonly defaultOffchainTemplateBackup: TopicAttributes['default_offchain_template_backup'];
   public readonly weightedVoting: TopicAttributes['weighted_voting'];
@@ -49,7 +48,6 @@ class Topic {
     total_threads,
     channel_id,
     active_contest_managers,
-    chain_node_id,
     group_ids,
     default_offchain_template_backup,
     weighted_voting,
@@ -69,7 +67,6 @@ class Topic {
     this.totalThreads = total_threads || 0;
     this.channelId = channel_id;
     this.activeContestManagers = active_contest_managers || [];
-    this.chainNodeId = chain_node_id;
     this.groupIds = group_ids;
     this.defaultOffchainTemplateBackup = default_offchain_template_backup;
     this.weightedVoting = weighted_voting;
diff --git a/packages/commonwealth/client/scripts/state/api/feeds/util.ts b/packages/commonwealth/client/scripts/state/api/feeds/util.ts
index b1f8470e7cf..f7a8eea5e67 100644
--- a/packages/commonwealth/client/scripts/state/api/feeds/util.ts
+++ b/packages/commonwealth/client/scripts/state/api/feeds/util.ts
@@ -67,7 +67,7 @@ export function formatActivityResponse(response: AxiosResponse<any, any>) {
         version_history: null,
         last_commented_on: '',
         address_last_active: '',
-        reaction_weights_sum: 0,
+        reaction_weights_sum: '0',
       }),
   );
 }
diff --git a/packages/commonwealth/client/scripts/views/components/CommunityStake/VoteWeightModule/VoteWeightModule.tsx b/packages/commonwealth/client/scripts/views/components/CommunityStake/VoteWeightModule/VoteWeightModule.tsx
index eb51017f5e9..432f638a5ed 100644
--- a/packages/commonwealth/client/scripts/views/components/CommunityStake/VoteWeightModule/VoteWeightModule.tsx
+++ b/packages/commonwealth/client/scripts/views/components/CommunityStake/VoteWeightModule/VoteWeightModule.tsx
@@ -17,7 +17,7 @@ import { CWTooltip } from '../../component_kit/new_designs/CWTooltip';
 import './VoteWeightModule.scss';
 
 type VoteWeightModuleProps = {
-  voteWeight: number;
+  voteWeight: string;
   stakeNumber: number;
   stakeValue: number;
   denomination: string;
@@ -72,7 +72,7 @@ export const VoteWeightModule = ({
           />
         </div>
         <CWText className="vote-weight" type="h3" fontWeight="bold">
-          {isNaN(voteWeight) ? 0 : voteWeight}
+          {voteWeight}
         </CWText>
         <div className="info-and-actions">
           <div className="info">
diff --git a/packages/commonwealth/client/scripts/views/components/ReactionButton/CommentReactionButton.tsx b/packages/commonwealth/client/scripts/views/components/ReactionButton/CommentReactionButton.tsx
index e45d01c5259..0206da4c7a4 100644
--- a/packages/commonwealth/client/scripts/views/components/ReactionButton/CommentReactionButton.tsx
+++ b/packages/commonwealth/client/scripts/views/components/ReactionButton/CommentReactionButton.tsx
@@ -3,6 +3,7 @@ import { buildDeleteCommentReactionInput } from 'client/scripts/state/api/commen
 import { useAuthModalStore } from 'client/scripts/state/ui/modals';
 import { notifyError } from 'controllers/app/notifications';
 import { SessionKeyError } from 'controllers/server/sessions';
+import { BigNumber } from 'ethers';
 import React, { useState } from 'react';
 import app from 'state';
 import useUserStore from 'state/ui/user';
@@ -52,8 +53,8 @@ export const CommentReactionButton = ({
     (x) => x?.author === activeAddress,
   );
   const reactionWeightsSum = comment.reactions.reduce(
-    (acc, curr) => acc + (curr.calculatedVotingWeight || 1),
-    0,
+    (acc, reaction) => acc.add(reaction.calculatedVotingWeight || 1),
+    BigNumber.from(0),
   );
 
   const handleVoteClick = async (e) => {
@@ -117,7 +118,7 @@ export const CommentReactionButton = ({
         isOpen={isAuthModalOpen}
       />
       <CWUpvoteSmall
-        voteCount={reactionWeightsSum}
+        voteCount={reactionWeightsSum.toString()}
         disabled={!user.activeAccount || disabled}
         selected={hasReacted}
         onClick={handleVoteClick}
diff --git a/packages/commonwealth/client/scripts/views/components/component_kit/new_designs/CWUpvoteSmall.tsx b/packages/commonwealth/client/scripts/views/components/component_kit/new_designs/CWUpvoteSmall.tsx
index e9dcdb08176..b38f7723f7c 100644
--- a/packages/commonwealth/client/scripts/views/components/component_kit/new_designs/CWUpvoteSmall.tsx
+++ b/packages/commonwealth/client/scripts/views/components/component_kit/new_designs/CWUpvoteSmall.tsx
@@ -7,7 +7,7 @@ import CWPopover, {
 } from 'views/components/component_kit/new_designs/CWPopover';
 
 interface CWUpvoteSmallProps {
-  voteCount: number;
+  voteCount: string;
   disabled: boolean;
   selected: boolean;
   onClick: (e: React.MouseEvent<HTMLDivElement>) => void;
@@ -41,13 +41,13 @@ const CWUpvoteSmall = ({
         onMouseEnter={popoverProps.handleInteraction}
         onMouseLeave={popoverProps.handleInteraction}
       >
-        {voteCount > 0 && !disabled ? (
+        {voteCount && !disabled ? (
           <>
             <CWThreadAction
               action="upvote"
               isThreadArchived={isThreadArchived}
               selected={selected}
-              label={String(voteCount)}
+              label={voteCount}
               disabled={disabled}
               onClick={handleClick}
             />
@@ -58,7 +58,7 @@ const CWUpvoteSmall = ({
             action="upvote"
             isThreadArchived={isThreadArchived}
             selected={selected}
-            label={String(voteCount)}
+            label={voteCount}
             disabled={disabled}
             tooltipText={tooltipText}
             onClick={handleClick}
diff --git a/packages/commonwealth/client/scripts/views/components/component_kit/new_designs/cw_upvote.tsx b/packages/commonwealth/client/scripts/views/components/component_kit/new_designs/cw_upvote.tsx
index 99594b9b119..516c5d197cc 100644
--- a/packages/commonwealth/client/scripts/views/components/component_kit/new_designs/cw_upvote.tsx
+++ b/packages/commonwealth/client/scripts/views/components/component_kit/new_designs/cw_upvote.tsx
@@ -1,16 +1,17 @@
 import { ArrowFatUp } from '@phosphor-icons/react';
 import React, { FC } from 'react';
 
-import { formatNumberShort } from 'adapters/currency';
+import { formatBigNumberShort } from 'adapters/currency';
 import { CWText } from '../cw_text';
 import { getClasses } from '../helpers';
 
 import 'components/component_kit/new_designs/cw_upvote.scss';
+import { BigNumber } from 'ethers';
 import { AnchorType } from 'views/components/component_kit/new_designs/CWPopover';
 import { ComponentType } from '../types';
 
 type CWUpvoteProps = {
-  voteCount: number;
+  voteCount: string;
   active?: boolean;
   disabled?: boolean;
   onClick?: (e) => void;
@@ -47,7 +48,7 @@ export const CWUpvote: FC<CWUpvoteProps> = ({
         weight={active ? 'fill' : 'regular'}
       />
       <CWText className={getClasses({ ...getParameters() })} type="caption">
-        {formatNumberShort(voteCount)}
+        {formatBigNumberShort(BigNumber.from(voteCount || 0))}
       </CWText>
     </button>
   );
diff --git a/packages/commonwealth/client/scripts/views/components/feed.tsx b/packages/commonwealth/client/scripts/views/components/feed.tsx
index 3784fe063c3..b9cf9bca891 100644
--- a/packages/commonwealth/client/scripts/views/components/feed.tsx
+++ b/packages/commonwealth/client/scripts/views/components/feed.tsx
@@ -159,7 +159,7 @@ function mapThread(thread: z.infer<typeof ActivityThread>): Thread {
     userId: thread.user_id,
     last_edited: thread.updated_at ?? '',
     last_commented_on: '',
-    reaction_weights_sum: 0,
+    reaction_weights_sum: '0',
     address_last_active: '',
     ContestActions: [],
     numberOfComments: thread.number_of_comments,
diff --git a/packages/commonwealth/client/scripts/views/components/sidebar/CommunitySection/CommunitySection.tsx b/packages/commonwealth/client/scripts/views/components/sidebar/CommunitySection/CommunitySection.tsx
index 704d3a0fa4e..f39ba061d60 100644
--- a/packages/commonwealth/client/scripts/views/components/sidebar/CommunitySection/CommunitySection.tsx
+++ b/packages/commonwealth/client/scripts/views/components/sidebar/CommunitySection/CommunitySection.tsx
@@ -81,7 +81,7 @@ export const CommunitySection = ({ showSkeleton }: CommunitySectionProps) => {
 
             {stakeEnabled && (
               <VoteWeightModule
-                voteWeight={currentVoteWeight}
+                voteWeight={currentVoteWeight?.toString() || '0'}
                 stakeNumber={stakeBalance}
                 stakeValue={stakeValue}
                 denomination={findDenominationString(activeChainId) || 'ETH'}
diff --git a/packages/commonwealth/client/scripts/views/modals/ManageCommunityStakeModal/StakeExchangeForm/StakeExchangeForm.tsx b/packages/commonwealth/client/scripts/views/modals/ManageCommunityStakeModal/StakeExchangeForm/StakeExchangeForm.tsx
index 796f7d26e01..aa26ef94801 100644
--- a/packages/commonwealth/client/scripts/views/modals/ManageCommunityStakeModal/StakeExchangeForm/StakeExchangeForm.tsx
+++ b/packages/commonwealth/client/scripts/views/modals/ManageCommunityStakeModal/StakeExchangeForm/StakeExchangeForm.tsx
@@ -364,7 +364,7 @@ const StakeExchangeForm = ({
             </CWText>
           </div>
           <CWText type="caption" className="vote-weight">
-            Current vote weight {currentVoteWeight}
+            Current vote weight {currentVoteWeight?.toString()}
           </CWText>
         </div>
 
@@ -419,7 +419,7 @@ const StakeExchangeForm = ({
             Total weight
           </CWText>
           <CWText type="h3" fontWeight="bold" className="number">
-            {expectedVoteWeight}
+            {expectedVoteWeight?.toString()}
           </CWText>
         </div>
 
diff --git a/packages/commonwealth/client/scripts/views/modals/confirm_snapshot_vote_modal.tsx b/packages/commonwealth/client/scripts/views/modals/confirm_snapshot_vote_modal.tsx
index 7bd052d1d49..5b386ab88b7 100644
--- a/packages/commonwealth/client/scripts/views/modals/confirm_snapshot_vote_modal.tsx
+++ b/packages/commonwealth/client/scripts/views/modals/confirm_snapshot_vote_modal.tsx
@@ -1,7 +1,8 @@
 import React from 'react';
 
-import { formatNumberShort } from 'adapters/currency';
+import { formatBigNumberShort } from 'adapters/currency';
 import { MixpanelSnapshotEvents } from 'analytics/types';
+import { BigNumber } from 'ethers';
 import type { SnapshotProposal, SnapshotSpace } from 'helpers/snapshot_utils';
 import { useBrowserAnalyticsTrack } from 'hooks/useBrowserAnalyticsTrack';
 import useUserStore from 'state/ui/user';
@@ -97,7 +98,7 @@ export const ConfirmSnapshotVoteModal = (
           <div className="vote-info-row">
             <CWText>Your voting power</CWText>
             <CWText>
-              {`${formatNumberShort(totalScore)} ${space.symbol
+              {`${formatBigNumberShort(BigNumber.from(totalScore))} ${space.symbol
                 .slice(0, 6)
                 .trim()}...`}
             </CWText>
diff --git a/packages/commonwealth/client/scripts/views/pages/ComponentsShowcase/components/Upvotes.showcase.tsx b/packages/commonwealth/client/scripts/views/pages/ComponentsShowcase/components/Upvotes.showcase.tsx
index 6b6f603e167..954ac4c87e1 100644
--- a/packages/commonwealth/client/scripts/views/pages/ComponentsShowcase/components/Upvotes.showcase.tsx
+++ b/packages/commonwealth/client/scripts/views/pages/ComponentsShowcase/components/Upvotes.showcase.tsx
@@ -8,15 +8,15 @@ const UpvotesShowcase = () => {
     <>
       <CWText type="h5">Regular</CWText>
       <div className="flex-row">
-        <CWUpvote voteCount={87} />
-        <CWUpvote voteCount={8887} active />
-        <CWUpvote voteCount={99999} disabled />
+        <CWUpvote voteCount="87" />
+        <CWUpvote voteCount="8887" active />
+        <CWUpvote voteCount="99999" disabled />
       </div>
 
       <CWText type="h5">Small</CWText>
       <div className="flex-row">
         <CWUpvoteSmall
-          voteCount={87}
+          voteCount="87"
           disabled={false}
           selected={false}
           // @ts-expect-error <StrictNullChecks/>
@@ -24,7 +24,7 @@ const UpvotesShowcase = () => {
           popoverContent={<div>Upvoters List</div>}
         />
         <CWUpvoteSmall
-          voteCount={8887}
+          voteCount="8887"
           disabled={false}
           selected={true}
           // @ts-expect-error <StrictNullChecks/>
@@ -32,7 +32,7 @@ const UpvotesShowcase = () => {
           popoverContent={<div>Upvoters List</div>}
         />
         <CWUpvoteSmall
-          voteCount={99999}
+          voteCount="99999"
           disabled={true}
           selected={false}
           // @ts-expect-error <StrictNullChecks/>
diff --git a/packages/commonwealth/client/scripts/views/pages/discussions/ThreadCard/ThreadOptions/ReactionButton/ReactionButton.tsx b/packages/commonwealth/client/scripts/views/pages/discussions/ThreadCard/ThreadOptions/ReactionButton/ReactionButton.tsx
index 1fdb5af1ca5..82171497502 100644
--- a/packages/commonwealth/client/scripts/views/pages/discussions/ThreadCard/ThreadOptions/ReactionButton/ReactionButton.tsx
+++ b/packages/commonwealth/client/scripts/views/pages/discussions/ThreadCard/ThreadOptions/ReactionButton/ReactionButton.tsx
@@ -3,6 +3,7 @@ import { buildDeleteThreadReactionInput } from 'client/scripts/state/api/threads
 import { useAuthModalStore } from 'client/scripts/state/ui/modals';
 import { notifyError } from 'controllers/app/notifications';
 import { SessionKeyError } from 'controllers/server/sessions';
+import { BigNumber } from 'ethers';
 import type Thread from 'models/Thread';
 import React, { useState } from 'react';
 import app from 'state';
@@ -46,9 +47,10 @@ export const ReactionButton = ({
 
   const reactionWeightsSum =
     thread?.associatedReactions?.reduce(
-      (acc, curr) => acc + (curr.voting_weight || 1),
-      0,
-    ) || 0;
+      (acc, reaction) => acc.add(reaction.voting_weight || 1),
+      BigNumber.from(0),
+    ) || BigNumber.from(0);
+
   const activeAddress = user.activeAccount?.address;
   const thisUserReaction = thread?.associatedReactions?.filter(
     (r) => r.address === activeAddress,
@@ -129,7 +131,7 @@ export const ReactionButton = ({
     <>
       {size === 'small' ? (
         <CWUpvoteSmall
-          voteCount={reactionWeightsSum}
+          voteCount={reactionWeightsSum.toString()}
           disabled={disabled}
           isThreadArchived={!!thread.archivedAt}
           selected={hasReacted}
@@ -143,7 +145,7 @@ export const ReactionButton = ({
         <TooltipWrapper disabled={disabled} text={tooltipText}>
           <CWUpvote
             onClick={handleVoteClick}
-            voteCount={reactionWeightsSum}
+            voteCount={reactionWeightsSum.toString()}
             disabled={disabled}
             active={hasReacted}
           />
@@ -155,7 +157,7 @@ export const ReactionButton = ({
         >
           <CWUpvote
             onClick={handleVoteClick}
-            voteCount={reactionWeightsSum}
+            voteCount={reactionWeightsSum.toString()}
             disabled={disabled}
             active={hasReacted}
           />
diff --git a/packages/commonwealth/client/scripts/views/pages/discussions/helpers.ts b/packages/commonwealth/client/scripts/views/pages/discussions/helpers.ts
index 9f693bc02a8..543715748e5 100644
--- a/packages/commonwealth/client/scripts/views/pages/discussions/helpers.ts
+++ b/packages/commonwealth/client/scripts/views/pages/discussions/helpers.ts
@@ -1,3 +1,4 @@
+import { BigNumber } from 'ethers';
 import moment from 'moment';
 import type Thread from '../../../models/Thread';
 import { ThreadFeaturedFilterTypes } from '../../../models/types';
@@ -45,7 +46,18 @@ export const sortByFeaturedFilter = (t: Thread[], featuredFilter) => {
   }
 
   if (featuredFilter === ThreadFeaturedFilterTypes.MostLikes) {
-    return [...t].sort((a, b) => b.reactionWeightsSum - a.reactionWeightsSum);
+    return [...t].sort((a, b) => {
+      const aWeight = BigNumber.from(a.reactionWeightsSum);
+      const bWeight = BigNumber.from(b.reactionWeightsSum);
+
+      if (aWeight.lt(bWeight)) {
+        return 1;
+      } else if (aWeight.gt(bWeight)) {
+        return -1;
+      } else {
+        return 0;
+      }
+    });
   }
 
   if (featuredFilter === ThreadFeaturedFilterTypes.LatestActivity) {
diff --git a/packages/commonwealth/server/migrations/20241016173039-remove-topic-chain-node.js b/packages/commonwealth/server/migrations/20241016173039-remove-topic-chain-node.js
new file mode 100644
index 00000000000..89dfeeb1cb2
--- /dev/null
+++ b/packages/commonwealth/server/migrations/20241016173039-remove-topic-chain-node.js
@@ -0,0 +1,20 @@
+'use strict';
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.removeColumn('Topics', 'chain_node_id');
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.addColumn('Topics', 'chain_node_id', {
+      type: Sequelize.INTEGER,
+      allowNull: true,
+      references: {
+        model: 'ChainNodes',
+        key: 'id',
+      },
+      onUpdate: 'CASCADE',
+    });
+  },
+};
diff --git a/packages/commonwealth/server/migrations/20241016192854-reaction-voting-weight-numeric.js b/packages/commonwealth/server/migrations/20241016192854-reaction-voting-weight-numeric.js
new file mode 100644
index 00000000000..e75cda6901f
--- /dev/null
+++ b/packages/commonwealth/server/migrations/20241016192854-reaction-voting-weight-numeric.js
@@ -0,0 +1,52 @@
+'use strict';
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.sequelize.transaction(async (transaction) => {
+      await queryInterface.changeColumn(
+        'Reactions',
+        'calculated_voting_weight',
+        {
+          type: Sequelize.NUMERIC(78, 0), // up to 78 digits with no decimal places
+          allowNull: true,
+        },
+        { transaction },
+      );
+      await queryInterface.changeColumn(
+        'Threads',
+        'reaction_weights_sum',
+        {
+          type: Sequelize.NUMERIC(78, 0), // up to 78 digits with no decimal places
+          allowNull: false,
+          defaultValue: 0,
+        },
+        { transaction },
+      );
+      await queryInterface.changeColumn(
+        'Comments',
+        'reaction_weights_sum',
+        {
+          type: Sequelize.NUMERIC(78, 0), // up to 78 digits with no decimal places
+          allowNull: false,
+          defaultValue: 0,
+        },
+        { transaction },
+      );
+      await queryInterface.changeColumn(
+        'Topics',
+        'vote_weight_multiplier',
+        {
+          type: Sequelize.FLOAT,
+          allowNull: true,
+        },
+        { transaction },
+      );
+    });
+  },
+
+  async down(queryInterface, Sequelize) {
+    // irreversible because converting back to integer
+    // may result in overflow
+  },
+};
diff --git a/packages/commonwealth/shared/adapters/currency.ts b/packages/commonwealth/shared/adapters/currency.ts
index f349894d8d3..b10534507aa 100644
--- a/packages/commonwealth/shared/adapters/currency.ts
+++ b/packages/commonwealth/shared/adapters/currency.ts
@@ -1,4 +1,5 @@
 import BN from 'bn.js';
+import { BigNumber } from 'ethers';
 
 // duplicated in helpers.ts
 export function formatNumberShort(num: number) {
@@ -16,18 +17,45 @@ export function formatNumberShort(num: number) {
   return num > 1_000_000_000_000
     ? `${round(num / 1_000_000_000_000)}t`
     : num > 1_000_000_000
-    ? `${round(num / 1_000_000_000)}b`
-    : num > 1_000_000
-    ? `${round(num / 1_000_000)}m`
-    : num > 1_000
-    ? `${round(num / 1_000)}k`
-    : num > 0.1
-    ? round(num)
-    : num > 0.01
-    ? precise(num, 2)
-    : num > 0.001
-    ? precise(num, 1)
-    : num.toString();
+      ? `${round(num / 1_000_000_000)}b`
+      : num > 1_000_000
+        ? `${round(num / 1_000_000)}m`
+        : num > 1_000
+          ? `${round(num / 1_000)}k`
+          : num > 0.1
+            ? round(num)
+            : num > 0.01
+              ? precise(num, 2)
+              : num > 0.001
+                ? precise(num, 1)
+                : num.toString();
+}
+
+export function formatBigNumberShort(num: BigNumber): string {
+  if (num.isZero()) {
+    return '0';
+  }
+  const thousand = BigNumber.from(1_000);
+  const million = BigNumber.from(1_000_000);
+  const billion = BigNumber.from(1_000_000_000);
+  const trillion = BigNumber.from(1_000_000_000_000);
+
+  const round = (n: BigNumber, divisor: BigNumber, digits = 2) => {
+    const divided = n.div(divisor);
+    const factor = BigNumber.from(10).pow(digits);
+    return divided.mul(factor).div(factor).toString();
+  };
+
+  // Compare BigNumber values and format accordingly
+  return num.gt(trillion)
+    ? `${round(num, trillion)}t`
+    : num.gt(billion)
+      ? `${round(num, billion)}b`
+      : num.gt(million)
+        ? `${round(num, million)}m`
+        : num.gt(thousand)
+          ? `${round(num, thousand)}k`
+          : num.toString();
 }
 
 const nf = new Intl.NumberFormat();
diff --git a/packages/commonwealth/test/integration/databaseCleaner.spec.ts b/packages/commonwealth/test/integration/databaseCleaner.spec.ts
index 2b4e7897f5a..14bb2506f88 100644
--- a/packages/commonwealth/test/integration/databaseCleaner.spec.ts
+++ b/packages/commonwealth/test/integration/databaseCleaner.spec.ts
@@ -184,7 +184,7 @@ describe('DatabaseCleaner Tests', async () => {
         title: 'Testing',
         community_id: 'ethereum',
         reaction_count: 0,
-        reaction_weights_sum: 0,
+        reaction_weights_sum: '0',
         kind: 'discussion',
         stage: 'discussion',
         view_count: 0,
@@ -197,7 +197,7 @@ describe('DatabaseCleaner Tests', async () => {
         address_id: address.id!,
         text: 'Testing',
         reaction_count: 0,
-        reaction_weights_sum: 0,
+        reaction_weights_sum: '0',
         search: getCommentSearchVector('Testing'),
       });
 
diff --git a/packages/commonwealth/test/integration/knock/commentCreated.spec.ts b/packages/commonwealth/test/integration/knock/commentCreated.spec.ts
index 9ca71f9f34d..3d9e9cf680c 100644
--- a/packages/commonwealth/test/integration/knock/commentCreated.spec.ts
+++ b/packages/commonwealth/test/integration/knock/commentCreated.spec.ts
@@ -86,18 +86,21 @@ describe('CommentCreated Event Handler', () => {
       deleted_at: null,
       read_only: false,
       pinned: false,
+      reaction_weights_sum: '0',
     });
     [rootComment] = await tester.seed('Comment', {
       parent_id: null,
       thread_id: thread!.id!,
       address_id: community!.Addresses![0].id,
       deleted_at: null,
+      reaction_weights_sum: '0',
     });
     [replyComment] = await tester.seed('Comment', {
       parent_id: String(rootComment!.id),
       thread_id: thread!.id!,
       address_id: community!.Addresses![0].id,
       deleted_at: null,
+      reaction_weights_sum: '0',
     });
     [mentionedComment] = await tester.seed('Comment', {
       text: `Hi [@${mentionedUser!.profile.name}](/profile/id/${
@@ -107,6 +110,7 @@ describe('CommentCreated Event Handler', () => {
       thread_id: thread!.id!,
       address_id: community!.Addresses![0].id,
       deleted_at: null,
+      reaction_weights_sum: '0',
     });
   });
 
diff --git a/packages/commonwealth/test/integration/knock/userMentioned.spec.ts b/packages/commonwealth/test/integration/knock/userMentioned.spec.ts
index c66bab304b7..ac8443c8495 100644
--- a/packages/commonwealth/test/integration/knock/userMentioned.spec.ts
+++ b/packages/commonwealth/test/integration/knock/userMentioned.spec.ts
@@ -67,6 +67,7 @@ describe('userMentioned Event Handler', () => {
       pinned: false,
       read_only: false,
       body: 'some body',
+      reaction_weights_sum: '0',
     });
   });
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 79a7841919f..6ca563ae2e3 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -738,6 +738,9 @@ importers:
       '@cosmjs/encoding':
         specifier: 0.32.3
         version: 0.32.3
+      '@ethersproject/bignumber':
+        specifier: ^5.7.0
+        version: 5.7.0
       '@ipld/dag-json':
         specifier: ^10.2.0
         version: 10.2.0
@@ -15583,8 +15586,8 @@ snapshots:
       '@aws-crypto/sha1-browser': 3.0.0
       '@aws-crypto/sha256-browser': 3.0.0
       '@aws-crypto/sha256-js': 3.0.0
-      '@aws-sdk/client-sso-oidc': 3.577.0(@aws-sdk/client-sts@3.577.0)
-      '@aws-sdk/client-sts': 3.577.0
+      '@aws-sdk/client-sso-oidc': 3.577.0
+      '@aws-sdk/client-sts': 3.577.0(@aws-sdk/client-sso-oidc@3.577.0)
       '@aws-sdk/core': 3.576.0
       '@aws-sdk/credential-provider-node': 3.577.0(@aws-sdk/client-sso-oidc@3.577.0)(@aws-sdk/client-sts@3.577.0)
       '@aws-sdk/middleware-bucket-endpoint': 3.577.0
@@ -15641,11 +15644,11 @@ snapshots:
     transitivePeerDependencies:
       - aws-crt
 
-  '@aws-sdk/client-sso-oidc@3.577.0(@aws-sdk/client-sts@3.577.0)':
+  '@aws-sdk/client-sso-oidc@3.577.0':
     dependencies:
       '@aws-crypto/sha256-browser': 3.0.0
       '@aws-crypto/sha256-js': 3.0.0
-      '@aws-sdk/client-sts': 3.577.0
+      '@aws-sdk/client-sts': 3.577.0(@aws-sdk/client-sso-oidc@3.577.0)
       '@aws-sdk/core': 3.576.0
       '@aws-sdk/credential-provider-node': 3.577.0(@aws-sdk/client-sso-oidc@3.577.0)(@aws-sdk/client-sts@3.577.0)
       '@aws-sdk/middleware-host-header': 3.577.0
@@ -15684,7 +15687,6 @@ snapshots:
       '@smithy/util-utf8': 3.0.0
       tslib: 2.6.2
     transitivePeerDependencies:
-      - '@aws-sdk/client-sts'
       - aws-crt
 
   '@aws-sdk/client-sso@3.577.0':
@@ -15730,11 +15732,11 @@ snapshots:
     transitivePeerDependencies:
       - aws-crt
 
-  '@aws-sdk/client-sts@3.577.0':
+  '@aws-sdk/client-sts@3.577.0(@aws-sdk/client-sso-oidc@3.577.0)':
     dependencies:
       '@aws-crypto/sha256-browser': 3.0.0
       '@aws-crypto/sha256-js': 3.0.0
-      '@aws-sdk/client-sso-oidc': 3.577.0(@aws-sdk/client-sts@3.577.0)
+      '@aws-sdk/client-sso-oidc': 3.577.0
       '@aws-sdk/core': 3.576.0
       '@aws-sdk/credential-provider-node': 3.577.0(@aws-sdk/client-sso-oidc@3.577.0)(@aws-sdk/client-sts@3.577.0)
       '@aws-sdk/middleware-host-header': 3.577.0
@@ -15773,6 +15775,7 @@ snapshots:
       '@smithy/util-utf8': 3.0.0
       tslib: 2.6.2
     transitivePeerDependencies:
+      - '@aws-sdk/client-sso-oidc'
       - aws-crt
 
   '@aws-sdk/core@3.576.0':
@@ -15806,7 +15809,7 @@ snapshots:
 
   '@aws-sdk/credential-provider-ini@3.577.0(@aws-sdk/client-sso-oidc@3.577.0)(@aws-sdk/client-sts@3.577.0)':
     dependencies:
-      '@aws-sdk/client-sts': 3.577.0
+      '@aws-sdk/client-sts': 3.577.0(@aws-sdk/client-sso-oidc@3.577.0)
       '@aws-sdk/credential-provider-env': 3.577.0
       '@aws-sdk/credential-provider-process': 3.577.0
       '@aws-sdk/credential-provider-sso': 3.577.0(@aws-sdk/client-sso-oidc@3.577.0)
@@ -15863,7 +15866,7 @@ snapshots:
 
   '@aws-sdk/credential-provider-web-identity@3.577.0(@aws-sdk/client-sts@3.577.0)':
     dependencies:
-      '@aws-sdk/client-sts': 3.577.0
+      '@aws-sdk/client-sts': 3.577.0(@aws-sdk/client-sso-oidc@3.577.0)
       '@aws-sdk/types': 3.577.0
       '@smithy/property-provider': 3.0.0
       '@smithy/types': 3.0.0
@@ -16001,7 +16004,7 @@ snapshots:
 
   '@aws-sdk/token-providers@3.577.0(@aws-sdk/client-sso-oidc@3.577.0)':
     dependencies:
-      '@aws-sdk/client-sso-oidc': 3.577.0(@aws-sdk/client-sts@3.577.0)
+      '@aws-sdk/client-sso-oidc': 3.577.0
       '@aws-sdk/types': 3.577.0
       '@smithy/property-provider': 3.0.0
       '@smithy/shared-ini-file-loader': 3.0.0