Finality of Transactions
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Ethereum researchers propose a four-minute transaction finality plan to reduce crypto transfer costs
Ethereum researchers have filed a new draft proposal aiming to cut the time it takes for Ethereum transactions to become final from approximately 16 minutes to roughly four minutes. This change could
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Solana activates Alpenglow upgrade, shortening transaction finality to approximately 150 milliseconds.
Solana development team Anza has activated the Alpenglow upgrade, which replaces the TowerBFT consensus mechanism and significantly reduces the Solana network's transaction finality from 12.8 seconds
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Solana's Alpenglow, its largest network overhaul since 2020, goes live Wednesday, targeting 150-millisecond transaction finality
The Alpenglow upgrade will replace Solana's existing voting system, aiming to reduce transaction finality to approximately 150 milliseconds, a 40-fold increase in speed. This involves moving validator
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An In-Depth Analysis of the Solana Alpenglow Upgrade: How the Consensus Revolution Achieves 150-Millisecond Finality
Solana’s Alpenglow upgrade is a major innovation to its consensus layer, designed to significantly reduce transaction finality from approximately 12.8 seconds to 100–150 milliseconds. This upgrade will completely replace the existing Proof of History (PoH) and Tower BFT mechanisms, introducing the Votor voting protocol and the Rotor block propagation system. Expected benefits include a significant improvement in user experience, the freeing up of block space, reduced operational costs for validators, and enhanced network resilience. However, the upgrade also comes with security trade-offs, potential centralization risks, and complex technical implementation challenges. The upgrade was approved via a governance proposal in 2025 and is scheduled to be activated on the mainnet in the third or fourth quarter of 2026.
-
Ethereum researchers propose a four-minute transaction finality plan to reduce crypto transfer costs
Ethereum researchers have filed a new draft proposal aiming to cut the time it takes for Ethereum transactions to become final from approximately 16 minutes to roughly four minutes. This change could
-
Solana activates Alpenglow upgrade, shortening transaction finality to approximately 150 milliseconds.
Solana development team Anza has activated the Alpenglow upgrade, which replaces the TowerBFT consensus mechanism and significantly reduces the Solana network's transaction finality from 12.8 seconds
-
Solana's Alpenglow, its largest network overhaul since 2020, goes live Wednesday, targeting 150-millisecond transaction finality
The Alpenglow upgrade will replace Solana's existing voting system, aiming to reduce transaction finality to approximately 150 milliseconds, a 40-fold increase in speed. This involves moving validator
-
An In-Depth Analysis of the Solana Alpenglow Upgrade: How the Consensus Revolution Achieves 150-Millisecond Finality
Solana’s Alpenglow upgrade is a major innovation to its consensus layer, designed to significantly reduce transaction finality from approximately 12.8 seconds to 100–150 milliseconds. This upgrade will completely replace the existing Proof of History (PoH) and Tower BFT mechanisms, introducing the Votor voting protocol and the Rotor block propagation system. Expected benefits include a significant improvement in user experience, the freeing up of block space, reduced operational costs for validators, and enhanced network resilience. However, the upgrade also comes with security trade-offs, potential centralization risks, and complex technical implementation challenges. The upgrade was approved via a governance proposal in 2025 and is scheduled to be activated on the mainnet in the third or fourth quarter of 2026.
Finality of Transactions
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