Finally, the block building pipeline.In Glamsterdam, Ethereum is getting ePBS, which lets proposers outsource to a free permissionless market of block builders.This ensures that block builder centralization does not creep into staking centralization, but it leaves the question: what do we do about block builder centralization? And what are the _other_ problems in the block building pipeline that need to be addressed, and how? This has both in-protocol and extra-protocol components.## FOCILFOCIL is the first ...