TypeScript library that supports validation of any type of signature: account abstraction (ERC-1271, ERC-6492), standard signatures, ERC-712

BatchedWallet is a simple example implementation of an ERC-4337-compliant smart wallet.

Sign and verify messages with Gnosis Safe

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Example of signature-based authentication and verification using EIP-1271 on the server

EVM trust-kernel contracts for BlackCat installs: on-chain integrity attestation, release registry, incident controls, deterministic per-install controllers, and optional multi-device authorization (EIP-712/EIP-1271).

🔒 Secure blockchain installations with EVM smart contracts that ensure trust and integrity for BlackCat environments.