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▲ Solana (SOL)
Solana (SOL) has uploaded its Alpenglow consensus upgrade to the community test cluster, reinforcing the founder's assertion that its speed-centric design is functioning correctly.
According to CryptoNews on May 15 (local time), Solana co-founder Anatoly Yakovenko stated that the Alpenglow consensus upgrade is direct evidence that Solana's core design is working as intended. Alpenglow is currently operational in the community test cluster and aims for mainnet application as early as Q2 2026.
Alpenglow is considered the largest consensus structure overhaul in Solana's history. It replaces the existing Proof of History and TowerBFT with two components called Votor and Rotor. This upgrade aims to reduce transaction finality time from approximately 12.8 seconds to about 150 milliseconds.
The key change lies in the MEV structure. CryptoNews reported that Alpenglow significantly increases the cost for validators to delay block creation in order to favorably adjust transaction order. In the previous structure, a validator acting as a slot leader could delay block creation within a certain timeframe to sell better transaction order to searchers, but Alpenglow is designed to structurally close this time window.
Yakovenko stated on X (formerly Twitter), “Alpenglow will have a subtle but significant impact on MEV. If a leader delays a slot beyond the timeout, they lose all subsequent slots. Thus, the cost of the delay game is highest in the first slot and lowest in the last slot.” CryptoNews explained that this structure does not completely eliminate MEV but rather shifts validator incentives from opaque time-delay strategies towards transparent order flow auctions.
Ethereum (ETH) has managed MEV with external infrastructure, including relays, builders, and proposer-builder separation tools. Solana, on the other hand, has chosen to embed the incentive structure directly into its base consensus layer. CryptoNews noted that the two approaches are not the same, and the market has not yet fully priced in this difference.
Alpenglow passed a Solana validator vote in September 2025 with over 98% support. The recent restart of the community cluster expanded from 49 validators to 86 validators and proceeded with a patched build reflecting modifications from previous runs. However, CryptoNews pointed out that the upgrade's impact can only be confirmed when validated in a mainnet environment where actual searchers and capital are active.
CryptoNews reported that if Alpenglow is seamlessly applied to the mainnet in Q2 2026, Solana's competitiveness in high-speed Layer 1 DeFi and payment infrastructure could become even clearer. Conversely, if adoption is delayed or if delay-based MEV strategies move to other areas not covered by Alpenglow's penalty structure, this upgrade might only result in consensus structure improvements rather than a change in the MEV environment. The claim that Alpenglow's design is working must be confirmed with mainnet data beyond the community test cluster.
*Disclaimer: This article is for investment reference only, and we are not responsible for any investment losses based on it. The content should be interpreted for informational purposes only.*
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