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April 2023 (beta launch)

MEV-Share Protocol Specification

mev_ RPC endpoints

New endpoints added to Flashbots bundle relay (

  • mev_sendBundle - send bundles with a new format, enabling modular privacy settings and sets the stage for future innovations
  • mev_simBundle - simulate bundles in the context of MEV-Share using the new format.

SSE Event Stream

Events containing one or more transactions with varying data shared via hints, broadcast via SSE stream.