# Solana Activates Alpenglow Upgrade

> Solana's Alpenglow upgrade targets 150-millisecond transaction finality for faster exchanges.
- Title: Solana Activates Alpenglow Upgrade · TokenPost | Shortify
- Summary: Solana's Alpenglow upgrade targets 150-millisecond transaction finality for faster exchanges. Solana achieved 150-millisecond transaction finality with its…
- Keywords: solana, alpenglow, transaction finality, 150 milliseconds, consensus upgrade, validator costs, solo, crypto, finance, Activates, Upgrade, TokenPost
- Source: TokenPost — https://tokenpost.com/news/technology/36762
- Published: 2026-10-21T14:51:02+00:00
- Read time: 1 min
- Topics: solana, alpenglow, transaction finality, 150 milliseconds, consensus upgrade, validator costs, solo, crypto, finance
## Solana Activates Alpenglow
Solana launched its Alpenglow consensus upgrade targeting 150-millisecond transaction finality for exchanges and payment apps.
## Upgrade Targets 150-Millisecond Finality
The upgrade aims for transaction finality in 150 milliseconds, reducing confirmation times for exchanges and payment apps.
## Validator Costs Change
A fixed admission fee of 0.8 Solana per epoch replaces voting fees, cutting validator costs.
## Key takeaway

Solana achieved 150-millisecond transaction finality with its Alpenglow upgrade, improving exchange and payment app speeds.