🧬Smart Contracts
OffBlocks API is orchestrating a smart contract protocol designed to facilitate card payments while preserving self-custody invariants. In order to facilitate such payments, we have developed two main components:
Smart Wallet
Escrow Smart Contract
The following diagram visualises how OffBlocks API orchestrates the payment and how tokens are transferred throughout the payment lifecycle:
OffBlocksEscrow contract is deployed to the following blockchains (testnets only for now):
| Chain | Address |
|---|---|
Ethereum Sepolia | |
Arbitrum Sepolia | |
Polygon Mumbai | |
zkSync Sepolia | Coming soon |
Contracts for OffBlocksSmartWallet and OffBlocksSmartWalletFactory will be added soon
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