Gas-free Transactions

Smart Wallet enables apps to pay for users' transaction gas fees, allowing free transactions or removing the need for users to hold native tokens.

Technical Details

• Sponsored transactions are facilitated onchain via ERC-4337 compliant paymasters.
• Apps must have a ERC-7677 compliant paymaster service.
• Apps can share this paymaster to Smart Wallet via the ERC-7677 paymasterService capability on a wallet_sendCalls request.