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Margaux Nijkerk reports on blockchain protocols with a focus on the Ethereum ecosystem. A graduate of Johns Hopkins and Emory universities, she has a masters in International Affairs & Economics. She holds a very small amount of ETH and other altcoins.
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Flashbots, an Ethereum research and development firm, has made open source a new block builder operating in a trusted environment, in this case a private mempool, on Ethereum’s Sepolia testnet, according to a press release shared exclusively with CoinDesk.
The research that Flashbots details will allow blocks to be built without revealing data on users’ transactions, a step toward enhancing privacy.
Flashbots has not given an immediate timeline when it will move out of the testnet.
Block builders are specialized third-party participants who construct blocks based on optimizing transactions. Block builders offer those blocks to relays, such as the relay Flashbots runs for MEV-Boost, in order to extract extra revenue made from reordering or including certain transactions.
A mempool is like a waiting room, where pending transactions are sorted and stored before they are added to create a new block.
Flashbots told CoinDesk the move aims to enable privacy features on Ethereum. The code was made open source in an effort to decentralize block building on the Ethereum protocol.
“Implementing block building inside encrypted enclaves brings us one step closer toward transaction confidentiality and decentralization of the block building role,” Flashbots wrote in a blog post.
This is not the first time that Flashbots has made its code open source. In August, when Tornado Cash was sanctioned by the U.S. Treasury’s Office of Foreign Asset Control, Flashbots conveyed that its relay would also be censoring Tornado Cash transactions. As a result, Flashbots raced to open its code so others could decide whether to censor or not censor.
One reason open-source software is part of the Flashbots agenda is so others in the block-building space can “build off the shared knowledge and test other solutions,” the Flashbots team told CoinDesk. “And, in reality, try to break it!”
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Margaux Nijkerk reports on blockchain protocols with a focus on the Ethereum ecosystem. A graduate of Johns Hopkins and Emory universities, she has a masters in International Affairs & Economics. She holds a very small amount of ETH and other altcoins.
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Margaux Nijkerk reports on blockchain protocols with a focus on the Ethereum ecosystem. A graduate of Johns Hopkins and Emory universities, she has a masters in International Affairs & Economics. She holds a very small amount of ETH and other altcoins.