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Solana Launches Alpenglow, Reducing Transaction Finality to 150 Milliseconds

  • Solana has launched Alpenglow, replacing the previous TowerBFT consensus protocol.
  • Transaction finality has been reduced from 12.8 seconds to approximately 150 milliseconds.
  • This upgrade is considered the most ambitious since Ethereum's Merge.
  • Alpenglow has been in testing for months, including a failed migration and subsequent rollback.
  • This is Solana's first major consensus upgrade since its 2020 launch.