One of the fundamental problems of Proposer Builder separation is the centralized role played by the Builder. This creates 3 tradeoffs (possibly more):Regulatory choke-pointBuilder consolidationVertical integration of supply chainProposal Can we conceive of a decentralized block builder? Conjecture: considering Near’s Nightshade design, loosely, for inspiration we can conceive of a decentralized builder design where multiple builders compete to propose a chunk or a portion of the execution bl...