extra_data
field within the block’s execution payload for block builders. We correlate this
information with the corresponding address registered in the mev-commit protocol. We plan to upgrade this with a cryptographically secure method of attribution and are actively championing the availability of robust builder identity in Ethereum.
For proposers the attribution method is simpler as the proposer is recognized within the Ethereum protocol. For relays, we run a leader election auction and the winning relay is known by mev-commit for any attribution.