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Who Wins Ethereum Block Building Auctions and Why?

The MEV-Boost block auction contributes approximately 90 % of all Ethereum blocks. Between October 2023 and March 2024, only three builders produced 80 % of them, highlighting the concentration of power within the block builder market. To foster competition and preserve Ethereum’s decentralized ethos and censorship resistance properties, understanding the dominant players’ competitive ...

Source: portal.fis.tum.de