Arbitrum One Enables PGA Transaction Ordering Mechanism, Speed Increased by Up to Two Times

Arbitrum One has adopted the Priority Gas Auction (PGA) to replace Timeboost, achieving speed improvements of up to two times. The Fast Feed data source complements the PGA by transmitting transaction and ordering information in real-time. Users can compete for higher transaction ordering through EIP-1559 priority fees. Each block, approximately every 250 milliseconds, includes two rounds of PGA, with each round lasting about 125 milliseconds. Fast Feed provides transaction and ordering data during block construction but does not affect transaction order and does not support front-running.

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