Problem Description
Despite MEV-Boost’s broad adoption, roughly 10 % of blocks are still produced without PBS, and the reasons remain unclear. Core developers were surprised to find that over 98% of proposers are registered with at least one relay, an insight that bears directly on inclusion-list design and the ePBS roadmap.
We have received reports of proposers consistently hitting
getHeader() timeouts on certain relays, leading to missed slots even for validators located near those relays (e.g., in North America or Europe). Our analysis should track the changing rate of min-bid reversions, including those triggered by local_block_value_boost, and uncover other factors that push proposers to build blocks locally despite being registered with relays. We can also leverage our relay’s getHeader() logs to spot stealth deregistrations and to determine whether specific proposers are seeing elevated latency to our relay instance.Related Notes
98% of proposers: ‣
Rough breakdown of block types: ‣
Xatu validator registration data: ‣
‣
‣
‣
