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Alpenglow

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Solana will replace its blockchain's consensus system with Alpenglow on Oct. 21, 2026 Alpenglow replaces TowerBFT, the mechanism that currently takes approximately 12.8 seconds to finalize transactions Alpenglow introduces Votor, a new system that allows validators to exchange votes directly Alpenglow includes Rotor, a component that will overhaul how blocks are distributed across the network in a later release Alpenglow has already completed deployments on Solana's testnet Alpenglow has already completed deployments on Solana's devnet Alpenglow requires software built on Agave 4.3.0 Anza announced the mainnet activation date for Alpenglow on Oct. 13, 2026 Alpenglow activates on Solana mainnet Alpenglow reduces the finality of Solana from 12.8 seconds to about 150 milliseconds, making it 85 times faster Alpenglow upgrade activates on Solana mainnet at 2026-10-21T15:00:00Z Alpenglow upgrade activates on Solana mainnet-beta at 2026-10-21T15:00:00Z Solana has Alpenglow upgrade Solana Virtual Machine is left alone by Alpenglow upgrade Alpenglow will replace the voting system Solana has used since 2020 Solana activated its Alpenglow upgrade Alpenglow will be activated on Mainnet Firedancer added Alpenglow support as of Oct. 14, 2026 Firedancer offers triple payout for Alpenglow consensus findings until Nov. 20, 2026 The Solana Alpenglow activation dashboard was sourced from Solana.com. Solana Foundation’s July announcement specified that Alpenglow reduces finality to roughly 150 milliseconds. Alpenglow’s first phase is Votor. Alpenglow’s later phase introduces Rotor.· Entity summary generated by Graphiti

RELATIONS
25Relations
CURRENT
16Current
EVENTS
2Events
REPORTS
13Source reports
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Relation timeline

BY VALID-FROM DATE
  1. Firedancer v26.10.4WORKS ONAlpenglow

    Firedancer v26.10.4 works on Alpenglow

    Current2 sourcesFiredancer v26.10.4
  2. Agave v4.3.2WORKS ONAlpenglow

    Agave v4.3.2 works on Alpenglow

    Current2 sourcesAgave v4.3.2
  3. AlpenglowREDUCES FINALITY OFSolana

    Alpenglow reduces the finality of Solana from 12.8 seconds to about 150 milliseconds, making it 85 times faster

    Current2 sourcesSolana
  4. AlpenglowACTIVATES ONSolana mainnet

    Alpenglow upgrade activates on Solana mainnet at 2026-10-21T15:00:00Z

    Ended 2026-10-221 sourceSolana mainnet
  5. AlpenglowACTIVATES ONSolana

    Alpenglow activates on Solana mainnet

    Ended 2026-10-221 sourceSolana
  6. AlpenglowACTIVATES ONSolana mainnet-beta

    Alpenglow upgrade activates on Solana mainnet-beta at 2026-10-21T15:00:00Z

    Ended 2026-10-221 sourceSolana mainnet-beta
  7. Solana.comPROVIDES DASHBOARD FORAlpenglow

    The Solana Alpenglow activation dashboard was sourced from Solana.com.

    Current1 sourceSolana.com
  8. AlpenglowHAS NEXT PHASERotor

    Alpenglow’s later phase introduces Rotor.

    Current1 sourceRotor
  9. AlpenglowHAS FIRST PHASEVotor

    Alpenglow’s first phase is Votor.

    Current1 sourceVotor
  10. AlpenglowINCLUDESRotor

    Alpenglow includes Rotor, a component that will overhaul how blocks are distributed across the network in a later release

    Ended 2026-10-221 sourceRotor
  11. SolanaREPLACES CONSENSUS SYSTEM WITHAlpenglow

    Solana will replace its blockchain's consensus system with Alpenglow on Oct. 21, 2026

    Ended 2026-10-221 sourceSolana
  12. AlpenglowREQUIRES SOFTWARE VERSIONAgave 4.3.0

    Alpenglow requires software built on Agave 4.3.0

    Current1 sourceAgave 4.3.0
  13. AlpenglowREPLACESTowerBFT

    Alpenglow replaces TowerBFT, the mechanism that currently takes approximately 12.8 seconds to finalize transactions

    Ended 2026-10-214 sourcesTowerBFT
  14. AlpenglowINTRODUCESVotor

    Alpenglow introduces Votor, a new system that allows validators to exchange votes directly

    Current1 sourceVotor
  15. FiredancerREWARDS TRIPLE PAYOUT FORAlpenglow

    Firedancer offers triple payout for Alpenglow consensus findings until Nov. 20, 2026

    Ended 2026-11-201 sourceFiredancer
  16. AlpenglowACTIVATED ONMainnet

    Alpenglow will be activated on Mainnet

    Current1 sourceMainnet
  17. Granite Switch 4.1NO CHANGE BYAlpenglow

    Solana Virtual Machine is left alone by Alpenglow upgrade

    Current1 sourceGranite Switch 4.1
  18. SolanaHAS UPGRADEAlpenglow

    Solana has Alpenglow upgrade

    Ended 2026-10-212 sourcesSolana
  19. FiredancerSUPPORTEDAlpenglow

    Firedancer added Alpenglow support as of Oct. 14, 2026

    Current1 sourceFiredancer
  20. AnzaANNOUNCEDAlpenglow

    Anza announced the mainnet activation date for Alpenglow on Oct. 13, 2026

    Ended 2026-10-141 sourceAnza
  21. AlpenglowSPECIFIED BYSolana Foundation

    Solana Foundation’s July announcement specified that Alpenglow reduces finality to roughly 150 milliseconds.

    Current1 sourceSolana Foundation
  22. SolanaACTIVATEDAlpenglow

    Solana activated its Alpenglow upgrade

    Current4 sourcesSolana
  23. AlpenglowREPLACES VOTING SYSTEM OFSolana

    Alpenglow will replace the voting system Solana has used since 2020

    Current1 sourceSolana
  24. AlpenglowDEPLOYED ONSolana testnet

    Alpenglow has already completed deployments on Solana's testnet

    Current1 sourceSolana testnet
  25. AlpenglowDEPLOYED ONSolana devnet

    Alpenglow has already completed deployments on Solana's devnet

    Current1 sourceSolana devnet

Relations are facts Graphiti extracted from reports, not verbatim quotes. An end date means later reporting showed the relation no longer holds.

Events 2

Source reports 13