Ethereum’s new P2P protocol doubles block delivery speed, Optimum says

Ethereum validators have begun using Optimum's mump2p networking protocol on mainnet, with the developer reporting faster block delivery through a data-sharing method that operates alongside existing consensus clients. Optimum's mump2p networking protocol has operated on Ethereum mainnet since its October 20, 2026 launch. Optimum reports Ethereum block propagation speeds up to 3.5 times faster through network coding technology. The protocol runs alongside existing Ethereum consensus clients without requiring changes to consensus rules themselves. Optimum reported that participating validators represented 7.8% of Ethereum's total staked ETH by November. Vitalik Buterin identified erasure-coded networking among proposed improvements supporting Ethereum's future post-quantum security roadmap. According to Optimum co-founder and MIT professor Muriel Médard, the protocol uses Random Linear Network Coding (RLNC) to transmit coded combinations of data across Ethereum's peer-to-peer network.

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