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October 10, 2026

Crypto News | Solana doubles block production speed to 200ms as network prepares for Alpenglow upgrade Oluwapelumi Adejumo | usagoldmines.com

Solana has doubled its targeted block-production frequency after activating 200-millisecond slots on mainnet, completing a months-long effort to accelerate the blockchain.

The Oct. 9 upgrade reduces Solana’s original 400-millisecond slot target by half, allowing the network to create five block-production opportunities per second instead of 2.5. It also shortens the time required to complete a network epoch to approximately 24 hours from 48 hours.

Anza, the developer behind Solana’s Agave validator client, confirmed the activation, declaring that the SIMD-0525 upgrade had been completed.

“Blocks land twice as often as they did at genesis. An epoch now takes about a day instead of two,” Anza stated.

Jacob Creech, the Solana Foundation’s vice president of technology, also celebrated the milestone, saying the network continues to improve with successive software releases.

“Solana continues to improve release after release, proving to be the best place to build,” Creech said, before identifying Alpenglow as the network’s next major upgrade.

Early performance data indicated that the change was already producing faster slots, although the network had yet to consistently reach its new target.

CryptoSlate’s sampling of Solana’s public mainnet RPC showed an average of approximately 222 milliseconds across 1,413 slots following activation, compared with roughly 268 milliseconds under the previous 250ms target.

The latest change completes a four-stage rollout that began in August, when Solana first reduced its slot target to 350 milliseconds. Subsequent reductions to 300ms and 250ms prepared validators for Friday’s final adjustment.

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Faster slots put Solana’s next upgrade in focus

The shorter intervals could improve transaction responsiveness for applications operating on Solana, particularly decentralized trading platforms and market makers that depend on rapid updates to prices and orders.

Under the SIMD-0525 proposal, each validator’s nominal four-slot block-production window has fallen to 800 milliseconds from the original 1.6 seconds, reducing how long individual validators can control transaction inclusion.

However, the upgrade does not automatically double Solana’s transaction-processing capacity. Developers proportionally reduced the computational budget available within each slot, keeping the network’s approximate execution capacity per second unchanged.

The faster cadence also introduces operational adjustments.

According to the Solana Foundation, transaction blockhashes now have an expiration window of approximately 30 seconds, compared with 60 seconds under the original configuration. That gives applications using offline signing or delayed transaction submission less time before transactions require refreshing.

Infrastructure providers must also accommodate more frequent blocks, while validators face tighter deadlines for producing and propagating them.

Those demands make sustained performance and skipped-slot rates important measures of the upgrade’s success.

Meanwhile, community attention now shifts to Alpenglow, Solana’s planned consensus overhaul targeting transaction finality of approximately 150 milliseconds, compared with roughly 12.8 seconds under the existing TowerBFT system.

Alpenglow has undergone deployment on Solana’s testnet and devnet, but a mainnet activation date has not been announced.

The post Solana doubles block production speed to 200ms as network prepares for Alpenglow upgrade appeared first on CryptoSlate.

 The final SIMD-0525 step halves Solana’s original slot-time target, shortening leader windows and epochs while per-slot budgets keep work capacity roughly steady.
The post Solana doubles block production speed to 200ms as network prepares for Alpenglow upgrade appeared first on CryptoSlate. Featured, Technology, Solana, Solana foundation 

This articles is written by : Nermeen Nabil Khear Abdelmalak

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