# Wallet Connection
UniVoucher interacts with blockchain networks through your Web3 wallet. This guide explains how to connect your wallet and manage network connections. As a fully decentralized protocol, UniVoucher requires no account registration - simply connect your wallet to access the platform from anywhere in the world.
!!! info "No Account Required"
UniVoucher is a fully decentralized application. You don't need to create an account or provide personal information - your wallet is your identity.
## Supported Wallets
UniVoucher supports a wide range of Ethereum-compatible wallets, including:
- MetaMask
- Coinbase Wallet
- WalletConnect
- Rainbow
- Trust Wallet
- And many other Web3 wallets
## Connecting Your Wallet
### Step 1: Click the Connect Button
In the top right corner of the UniVoucher interface, click the "Connect Wallet" button.
### Step 2: Select Your Wallet
A modal will appear with available wallet options:
- Choose your preferred wallet from the list
- If you don't see your wallet, click "view all"
- For mobile wallets, scan the WalletConnect QR code
### Step 3: Approve the Connection
In your wallet application:
1. Review the connection request
2. Ensure the domain is `univoucher.com`
3. Approve the connection
!!! warning "Security Check"
Always verify you're connecting to the correct website. Check that the URL is `univoucher.com` before approving any wallet connection.
### Step 4: Select an Account
If your wallet contains multiple accounts:
1. Choose which account to connect
2. This account will be used for all operations
Once connected, the interface will display your connected address and network in the top right corner.
## Managing Networks
### Current Network Display
After connecting, the current network is displayed in the top right corner:
- Network name (e.g., "Ethereum", "Polygon")
- Your wallet address (abbreviated)
### Switching Networks
To switch to a different network:
1. Click on the network name/address button in the top right
2. Select the desired network from the dropdown
3. Confirm the network switch in your wallet
### Automatic Network Switching
UniVoucher will automatically prompt you to switch networks when:
- Redeeming a card that exists on a different network
- Cancelling cards that exist on a different network
These prompts will appear as needed during operations.
## Network-Specific Operations
Different operations have different network requirements:
| Operation | Network Requirement |
|-----------|---------------------|
| Creating cards | Must be connected to the desired network |
| Redeeming cards | Must be connected to the network where the card exists |
| Viewing cards | No specific network connection required |
| Managing cards | Can view cards from all networks, but must switch to cancel |
## Disconnecting Your Wallet
To disconnect your wallet:
1. Click on your address/network button in the top right
2. Select "Disconnect Wallet" at the bottom of the dropdown
3. Your wallet will be disconnected from the site
## Wallet Status Indicators
The interface provides visual indicators of your wallet status:
- **Connected**: Shows network name and abbreviated address
- **Wrong Network**: Shows warning when you need to switch networks
- **Disconnected**: Shows "Connect Wallet" button
## Security Best Practices
!!! danger "Wallet Security"
When using Web3 wallets with UniVoucher:
1. **Verify the URL**: Always ensure you're on `univoucher.com` before connecting
2. **Review Transactions**: Carefully check all transaction details before signing
3. **Use Hardware Wallets**: For large transactions, consider using a hardware wallet
## Common Wallet Issues
| Issue | Solution |
|-------|----------|
| Wallet not connecting | Refresh the page and try again |
| Network switch failing | Manually switch in your wallet, then retry |
| Transaction stuck | Check your wallet for pending transactions |
| Account not showing | Ensure the account is active in your wallet |
| Mobile connection issues | Try using WalletConnect or the wallet's built-in browser |
## Network Gas Fees
Each transaction on the blockchain requires gas fees:
- Gas fees are paid in the native token of the network (e.g., ETH on Ethereum)
- Fee amounts vary by network and current congestion
- The connected wallet must have sufficient funds for gas
- UniVoucher does not charge additional fees beyond the 1% card creation fee
!!! info "Privacy Considerations"
When connecting your wallet to UniVoucher:
- Your wallet address becomes visible on the blockchain for transactions you perform
- Cards you create are linked to your address on-chain
- Your address is used to retrieve your created cards in the My Cards section
- No personal information beyond your wallet address is collected or stored
- No centralized database of user information
- No KYC or identity verification required
- Accessible to anyone, anywhere in the world
