Shahaf Nacson
Shahaf Nacson works at the Ethereum Foundation. He is a co-author of ERC-4337, the standard that introduced account abstraction to Ethereum through UserOperations and an alternate mempool, alongside Vitalik Buterin, Yoav Weiss, Dror Tirosh and others, and he went on to co-author EIP-7701 (native account abstraction) and ERC-7562 (validation scope rules) in the same area. Before the Foundation he was a senior blockchain developer at QEDIT. In the archive he appears speaking on the Ethereum Interop Layer, a talk he has also given at Devconnect Argentina's trustless:// conference.