| Send Token v1 | 0xEab49138BA2Ea6dd776220fE26b7b8E446638956 | ERC-20 token for the Send ecosystem ($SEND) |
| Send Account Factory | 0x008c9561857b6555584d20aC55110335759Aa2c2 | This factory contract is responsible for creating Send accounts on-chain |
| Sendtag Checkout | 0x36f43082d01df4801AF2D95aeEd1a0200C5510AE | Handles Sendtag confirmations and affiliate bonuses on-chain |
| Send USDC Paymaster | 0x592e1224D203Be4214B15e205F6081FbbaCFcD2D | Pays for Send account transactions in $USDC |
| Send Merkle Drop | 0xB9310daE45E71c7a160A13D64204623071a8E347 | $SEND token airdrop contract for rewarding Send users |
| Send Verifier | 0xE269194e41Cd50E2986f82Fc23A2B95D8bAFED2B | Verifies each Send account transaction contains a valid signature |
| Send Token v0 | 0x3f14920c99BEB920Afa163031c4e47a3e03B3e4A | Legacy ERC-20 token for the Send ecosystem ($SEND v0) |