EIP-8130, proposed by Chris Hunter of Coinbase and Base, introduces a universal account abstraction standard for all EVM-compatible chains. The proposal creates a new transaction type identified as AA_TX_TYPE = 0x79, paired with an onchain Keystore contract deployed at a fixed address, enabling O(1) transaction validation without full EVM bytecode simulation. The standard integrates canonical authenticators including secp256k1, P-256, WebAuthn, and a delegate authenticator, while maintaining backward compatibility through an ERC-4337 fallback mechanism. According to its backers, this approach could reduce transfer costs by 63% compared to the existing ERC-4337 model. Base is targeting deployment of EIP-8130 through its Cobalt upgrade scheduled for September 2026.
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