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docs/docs/guides/resources_and_troubleshooting/index.md

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+---
+sidebar_position: 16
+sidebar_label: '📚 Resources & Troubleshooting'
+---
+# Resources & Troubleshooting
+
+## Troubleshooting
+
+### ReferenceError: Can't find variable: BigInt using React
+
+Occasionally, users encounter errors in web3.js due to external dependencies, which may seem challenging to resolve within the web3.js framework alone.
+
+**Resolution Steps:**
+
+1. Install `rn-nodeify` as a development dependency:
+```bash
+yarn add --dev rn-nodeify
+```
+
+2. Add the `big-integer` package:
+```bash
+yarn add big-integer
+```
+
+3. Create a file named `shim.js` at the root of your project and include the following polyfill:
+```ts
+if (typeof BigInt === 'undefined') {
+    global.BigInt = require('big-integer');
+}
+```
+
+4. Import shim.js at the top of your App.js:
+```ts
+// Make sure you use `import` and not `require`!
+import './shim.js'
+```
+
+Additional Info:
+
+[Facebook/React-native Issue #28492](https://github.com/facebook/react-native/issues/28492#issuecomment-824698934)
+
+## Resources
+
+### [Web3.js v4 course](https://www.youtube.com/watch?v=3ZO_t-Kyr1g&list=PLPn3rQCo3XrP4LbQcOyyHQR8McV7w3HZT)
+
+This comprehensive 14-part video course from ChainSafe equips you with the skills to conquer the blockchain using web3.js v4. Unlock the potential of web3.js v4 and build cutting-edge dApps. This course caters to all skill levels.
+
+[![Web3.js v4 course](https://img.youtube.com/vi/3ZO_t-Kyr1g/0.jpg)](https://www.youtube.com/watch?v=3ZO_t-Kyr1g&list=PLPn3rQCo3XrP4LbQcOyyHQR8McV7w3HZT)
+
+
+### [Web3.js series](https://www.youtube.com/watch?v=BQ_bDH91S4k&list=PLPn3rQCo3XrNf__8irs4-MjMt4fJqW2I_)
+
+This series of 3 videos takes you on a journey through web3.js. Whether you're a complete beginner or want to refine your skills, these videos have something for you:
+
+1. Getting Started: Kick off your web3 adventure by learning the ropes of web3.js. Master the basics, from installation to making your first call to the blockchain.
+
+2. Essential Tools: Unleash the power of web3.js utilities! From generating random bytes to hashing and checksumming addresses, you'll gain mastery of essential tools for Ethereum development.
+
+3. Sending Transactions: Dive deep into wallets and accounts. Learn how to sign and send transactions to the network, empowering you to interact with the blockchain directly.
+
+[![Web3.js series](https://img.youtube.com/vi/BQ_bDH91S4k/0.jpg)](https://www.youtube.com/watch?v=BQ_bDH91S4k&list=PLPn3rQCo3XrNf__8irs4-MjMt4fJqW2I_)
+
+## Hackathons and Bounties
+
+You'll find the latest hackathons opportunities by following [web3js](https://twitter.com/web3_js) on X.