**What is WalletConnect?**
It acts like a "crypto USB cable" specifically designed to securely connect your digital wallet (like MetaMask, TokenPocket) and blockchain applications (like Uniswap, OpenSea). #WalletConnect and $WCT are mentioned
### **Why do you need it?**
- **It was too dangerous before**: Applications often require direct input of wallet passwords (private keys), just like leaking your bank card password, which is very easy to steal!
- **It was too troublesome before**: Communication between wallets and blockchain applications was difficult, requiring frequent switching and manual copying of information.
### **How does it work? (Super Simplified)**
1. **Scan QR code/Click link**: In the blockchain application (DApp), click “Connect Wallet” to generate a QR code or link.
2. **Wallet confirmation**: Use the wallet app to scan or click the link. **Core: The private key is always only stored in your wallet and is never shared!**
3. **Encrypted request transmission**: DApp operation instructions (like transferring funds, buying NFTs) are sent to the wallet pop-up via an encrypted channel.
4. **User decision**: Check the details in the wallet and choose “Confirm” or “Cancel.”
5. **Return results**: Your instructions are securely transmitted back to the DApp via the encrypted channel.
### **What are the advantages?**
1. **Absolute security**: Completely eliminates the risk of entering private keys on the web, with keys fully controlled by the user.
2. **Convenient and universal**: Any wallet can scan to connect directly to DApps, with standardized operation processes.
3. **Multi-functional support**:
- Operate **multiple chains** (Ethereum, Polygon, BSC, etc.) with a single connection.
- Connect to **multiple DApps** simultaneously.
- Receive **real-time notifications** from DApps (transaction status, repayment reminders, etc.).
### **Current status?**
- **Industry infrastructure**: Almost all mainstream wallets and popular blockchain applications have integrated it, becoming a common tool in the crypto space.
- **Wide application**: Covers all scenarios that require interaction between wallets and DApps, including DeFi trading, NFT buying and selling, and blockchain game interactions.
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**Summary**:
WalletConnect achieves a secure and convenient connection between wallets and blockchain applications through scanning, allowing users to interact without exposing their passwords. It is a core tool for building trust in the crypto world.
