# EIP-2926 * Introduce code merkleization in MPT * revamp to inherit from verkle/binary: * 31 byte chunk with 1 byte pushdata length field * EIP-4762 (?) * Require a 7612-style transition * < 1 day, smaller than a full tree change ---  ---  ---  --- ### Difference with binary/verkle * MPT tree * no unified tree * no account version --- ### Why now? * solves some zkvm attacks * simple fix for increasing code size