Annoucing MEV Space #7: Who really controls the next Ethereum block?
The Defition of Partial Block Building (PBB) and The Power Play Incurred By It.
For years, Proposer/Builder Separation (PBS) and MEV-Boost defined the frontier: builders fought millisecond wars for full-block rights, validators raked in the bids, and searchers squeezed alpha from every gas unit. But a new fault line has opened—Partial Block Building (PBB). Instead of selling the whole block to the highest bidder, proposers can auction slices of it, delegate only the execution layer, or pre-confirm specific bundles while the rest of the block stays fluid.
That granular shift is more than a technical tweak; it’s a supply-chain power play. By decoupling inclusion from execution, PBB rewires who captures the spread between Maximal Extractable Value (MEV) and the cash that actually settles—Realized Extractable Value (REV). Validators see new revenue paths, builders face thinner (or fatter) margins, and searchers must rethink how they bid, hedge, and hide. The ripple effects touch everything from latency-arbitrage contracts to wallet-level intents.
On June 5 at 10 AM EST, we’re bringing the principals to a live Twitter Space to map this territory:
Danny Gattas — Protocol Lead, Figment
Kubi Mensah — Co-Founder, Gattaca
Irfan Shaik — Founder, Interstate
Jesse Tasman — Sr. Technical Product Manager, bloXroute
Co-Host: Benjamin Hunter — VP of Engineering, BTCS
Expect sharp takes on:
PBB mechanics: inclusion vs. execution auctions
REV economics: who gains, who pays
Pre-conf guardrails: stopping dark-forest 2.0
Metrics that matter: latency-adjusted APR, builder HHI, bid variance\
Set your reminder here, bring your toughest questions, and watch the trading supply chain tilt in real time.
Click here to listen to our previous MEV Space podcasts via Spotify, Apple Podcasts and Pocket Casts.
And don’t miss our MEV Myth Buster Series:
All the MEV Myth Busters You Can't Miss
Behind every transaction is a battle-tested supply chain of searchers, builders, and validators—an ecosystem that rewards speed, creativity, and, sometimes, downright audacity. In this MEV Myth Busters series, we’ll dissect the real transactions that shatter people's comforting stories about DeFi.