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Blockspace & Multi-Party Block Construction for Ethereum episode artwork

Sep 21, 2026 57 min

Blockspace & Multi-Party Block Construction for Ethereum

from Credible Commitments Hosted by Apriori, Drew Van der Werff, Patrick Ambrus

In this episode of Credible Commitments I chat with Drew Van der Werff, CEO of Blockspace USA. We catch up on the PBS pipeline including Commit-Boost and ePBS. Then we introduce Blockspace and their new initiative— multi-party block construction— the holy grail of block building for Ethereum. Timestamps (00:00) - Commit-Boost to Blockspace (05:16) - Reflecting on the adoption cycle (08:37) - On neutrality and independence (10:27) - Some context on PBS (14:07) - The impact of ePBS (20:00) - It boils down to economics (24:17) - Blockspace Forum & gaps in PBS pipeline (28:00) - Multi-party Block Construction (30:43) - MPBC Operator as an evolution of a relay (33:40) - MPBC operator can turn a profit (36:06) - Does this ice out smaller builders? (40:06) - An introduction to Blockspace (43:25) - Heavy and light nodes (44:36) - Issuance is a contentious thing (50:15) - Applying a growth mindset to Blockspace --- [1] Drew on X: https://x.com/DrewVdW [2] Blockspace: https://x.com/Blockspace_ETH/status/2084614592139813298 [3] Blockspace Forum: https://blockspace.forum/index.html [4] Commit-Boost: https://github.com/Commit-Boost Disclaimer Nothing in this episode should be interpreted as financial, technical, or legal advice.

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In this episode of Credible Commitments I chat with Drew Van der Werff, Founder of Blockspace. We catch up on the PBS pipeline including Commit-Boost and ePBS. Then we introduce Blockspace and their new initiative— multi-party block construction— the holy grail of block building for Ethereum.

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Blockspace & Multi-Party Block Construction for Ethereum

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