The biggest consensus overhaul in Solana history is officially live for testing

Tech Share Share this article Copy link X icon X (Twitter) LinkedIn Facebook Email The biggest consensus overhaul in Solana history is officially live for testing The upgrade, known as Alpenglow, is live on a community test cluster, said Solana core developer Anza. By Margaux Nijkerk | Edited by Sheldon Reback May 11, 2026, 2:18 p.m. 2 min read Make preferred on (CoinDesk) What to know : Solana developer Anza said its proposed Alpenglow consensus overhaul is live on a community test cluster, allowing validators to test transitioning from the blockchain's current Proof-of-History and TowerBFT system to a faster architecture ahead of a potential mainnet rollout. The milestone suggests validators can successfully perform an “Alpenswitch,” moving to the new mechanism in a live environment. Solana co-founder Anatoly Yakovenko recently said Alpenglow could reach mainnet as soon as next quarter. Solana developer Anza said Monday that Alpenglow, the network’s biggest proposed consensus overhaul to date, is live on a community test cluster, marking a major step toward a potential mainnet rollout. The update means validator operators can now test software designed to move Solana from its current consensus system, which combines Proof-of-Stake with TowerBFT and Proof-of-History, toward a new architecture intended to dramatically reduce finality times and improve network responsiveness. “Alpenglow is live on the community test cluster,” Anza wrote on X . “The biggest consensus change in Solana’s history, now running on validator infrastructure ahead of mainnet.” Today, Solana relies on Proof-of-History, a cryptographic clock that timestamps transactions, alongside TowerBFT, a voting mechanism validators use to agree on the state of the blockchain. While the design has helped Solana achieve high throughput and low fees, some have pointed to outages and network instability during periods of heavy demand. Alpenglow proposes replacing major portions of that system with a redesigned framework centered around new components. In simple terms, the new model aims to let validators communicate and confirm blocks faster and more efficiently, potentially cutting transaction finality from several seconds to near real-time speeds. The start of the community test cluster also suggests that validator software can successfully perform what developers are informally calling “Alpenswitch,” transitioning validator nodes from Solana’s existing process to Alpenglow in a live network environment. The test milestone comes just days after Solana co-founder Anatoly Yakovenko said at Consensus Miami 2026 that Alpenglow could reach mainnet as soon as next quarter if testing continues smoothly. Read more: Solana’s 'Alpenglow' upgrade could arrive next quarter, co-founder Yakovenko says Solana News More For You Ronin set to transition to Ethereum layer 2 from independent sidechain By Olivier Acuna | Edited by Sheldon Reback 2 hours ago The purpose behind the migration is to enhance security, tokenomics and scalability, said Ronin, which suffered the largest DeFi bridge exploit on record in 2022. What to know : Ronin, the gaming-focused blockchain behind Axie Infinity, will hard fork on May 12 to migrate from an independent sidechain to an Ethereum layer 2, causing about 10 hours of network downtime. During the migration window, all Ronin transactions and onchain game actions will be paused. The transition to the OP... Read full story Latest Crypto News Ripple raises $200 million from Neuberger Berman to expand its Ripple Prime platform 31 minutes ago CoinDesk 20 performance update: SUI surges 25% over weekend 1 hour ago Tom Lee's Bitmine slows down ether purchases after already buying 1 million tokens this year 1 hour ago Strategy buys 535 bitcoin for $43 million days after signaling potential BTC sales 2 hours ago Ronin set to transition to Ethereum layer 2 from independent sidechain 2 hours ago Bitcoin funds capture $700 million as institutions place their bets 3 hours ago Top Stories Circle raises $222 million for Arc, beats Q1 earnings estimates but misses on revenue 3 hours ago Canton Network’s Digital Asset targets $2 billion valuation in a16z crypto-led raise: Bloomberg 4 hours ago Bitcoin whipsaws on CME open as Iran tensions pressure crypto markets 3 hours ago Michael Saylor’s latest tax strategy echoes Strategy’s 2022 bitcoin sale 3 hours ago A bitcoin whale that went silent in 2013 moves $40 million in BTC 10 hours ago BlackRock deepens tokenization push with new onchain fund offerings May 9, 2026