# Integration

### Multicall

The smart wallet supports [`multicall`](https://github.com/hashmesan/harmony-totp/blob/ca054376bb886b7449332eeb4187d3f6943476db/contracts/otp_wallet.sol#L208) which enables you to interact with other smart contracts from your smart wallet contract.  Fees are collected as usual after the call has been made.

### Wallet Connect

Sef Wallet leverages [WalletConnect](https://walletconnect.com/) protocol to connect Sef Wallet with