Enhancing the Bitcoin Ecosystem with Smart Contract Capabilities

Support for EVM Compatibility

By integrating full compatibility with the EVM, exSat opens up the platform to a broader developer community. This compatibility allows for the development of diverse smart contracts, significantly expanding the utility and functionality of the exSat platform.

Universal Gas Fee Support via Account Abstraction

With EVM compatibility and Account Abstraction, support for universal gas fee becomes possible across various assets, e.g. BTC, Ordinals, and other Bitcoin ecosystem assets. Paying gas fees for others also becomes possible, thus making it easier for developers and users.

Deposit and Withdraw

Validators manage a multisignature (MSIG) escrow account with threshold signature schemes (TSS) on the Bitcoin network. This account is responsible for handling the deposit/withdrawal operations.

Deposits are done by transferring funds to the escrow account. When exSat imports raw Bitcoin blocks into the system, deposit transactions can be detected and processed accordingly.

Withdraw requests should be sent to exSat smart contracts. The smart contracts will verify the request in the exSat smart contract and generate Bitcoin transactions accordingly. The validators operating the MSIG escrow account will sign and relay the transactions to the Bitcoin network.