Flashbots, a blockchain infrastructure company, introduced BuilderNet on November 26, a decentralized network aimed at reshaping how blocks are constructed on Ethereum
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The initiative seeks to combat censorship and reduce one of the network’s major bottlenecks by offering collaboration among multiple entities in block creation.
BuilderNet was designed to encourage cooperative block-building, offering an alternative where two dominant entities—Beaverbuild and Titan Builder—recently handled 88% of Ethereum’s blocks.
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Flashbots addresses this issue by dispersing the block-building process across a broader network. The firm believes this strategy minimizes opportunities for censorship and rent-seeking behavior.
Data presented by MEV Watch indicates that, over the past five months, nearly 45% of Ethereum blocks have implemented censorship to comply with US sanctions from the Office of Foreign Assets Control (OFAC). However, one consequence of this slower block addition is the increased risk of revenue extraction attacks, such as sandwich attacks.
BuilderNet’s “multi-operator” system mitigates this by involving various contributors in a secure, Trusted Execution Environment (TEE). This setup ensures all participants, including protocols and users, can validate transactions.
The initial version of BuilderNet is already live on Ethereum’s mainnet, according to Flashbots’ product manager Shea Ketsdever in a post on X.
The first release of BuilderNet is live on L1 today. It will also be available as a drop-in solution for decentralized sequencing on L2s through Rollup-Boost later on.
Currently, BuilderNet is operated by Flashbots, Nethermind, and Beaverbuild. Upcoming updates aim to further decentralize the network by making it more permissionless, enhancing decentralization and anti-censorship support.
Decentralizing block-building is a critical step in securing Ethereum’s future, but what about managing Web3 data efficiently? A new standard, GRC-20, is making waves in the space—what makes it a game-changer? Read the full story.
Having completed a Master’s degree in Economics, Politics, and Cultures of the East Asia region, Aaron has written scientific papers analyzing the differences between Western and Collective forms of capitalism in the post-World War II era.With close to a decade of experience in the FinTech industry, Aaron understands all of the biggest issues and struggles that crypto enthusiasts face. He’s a passionate analyst who is concerned with data-driven and fact-based content, as well as that which speaks to both Web3 natives and industry newcomers.Aaron is the go-to person for everything and anything related to digital currencies. With a huge passion for blockchain & Web3 education, Aaron strives to transform the space as we know it, and make it more approachable to complete beginners.Aaron has been quoted by multiple established outlets, and is a published author himself. Even during his free time, he enjoys researching the market trends, and looking for the next supernova.
