Nimbus v26.3.1: Validator monitoring and block building across 5 execution clients
· 14 min read
How does each execution client behave when Nimbus asks it to build a block? We monitored 1,000 validator pubkeys across 5 EC pairings for 48 hours and found that block building performance varies dramatically, with one client producing near-empty blocks while the other four packed in millions of gas.
