Quicknode Security Basics

---
name: quicknode-security-basics
description: |
  QuickNode security basics — blockchain RPC and Web3 infrastructure integration.
  Use when working with QuickNode for blockchain development.
  Trigger with phrases like "quicknode security basics", "quicknode-security-basics", "blockchain RPC".
allowed-tools: Read, Write, Edit, Bash(npm:*), Bash(curl:*), Grep
version: 2.0.0
license: MIT
author: Jeremy Longshore <jeremy@intentsolutions.io>
tags: [saas, quicknode, blockchain, web3, rpc, ethereum]
compatible-with: claude-code, codex, openclaw
---

# QuickNode Security Basics

## Overview
Implementation patterns for QuickNode security basics using blockchain RPC endpoints and the QuickNode SDK.

## Prerequisites
- Completed `quicknode-install-auth` setup

## Instructions

### Step 1: Connect to QuickNode
```typescript
import { ethers } from 'ethers';
const provider = new ethers.JsonRpcProvider(process.env.QUICKNODE_ENDPOINT);
const block = await provider.getBlockNumber();
console.log(`Connected at block ${block}`);
```

## Output
- QuickNode integration for security basics

## Error Handling
| Error | Cause | Solution |
|-------|-------|----------|
| 401 Unauthorized | Invalid endpoint token | Verify URL from Dashboard |
| Rate limited | Too many requests | Implement backoff or upgrade plan |
| Method not found | Add-on required | Enable in QuickNode Dashboard |

## Resources
- [QuickNode Docs](https://www.quicknode.com/docs/welcome)
- [Ethereum API](https://www.quicknode.com/docs/ethereum)

## Next Steps
See related QuickNode skills for more workflows.