Alpenglow Consensus Upgrade Approved
The Solana community passed SIMD-0326, the proposal introducing Alpenglow, a new consensus protocol that replaces the existing Proof-of-History and TowerBFT mechanisms 1. Alpenglow is designed to reduce finality latency from 12.8 seconds to approximately 100–150 milliseconds and lower bandwidth use by removing gossip-based vote dissemination 2. This matters because faster finality improves the user experience for applications built on Solana, including wrapped assets like Wrapped Solana, by making transactions settle more quickly and reliably.
Pendle's First Non-EVM "Citadel" Expands to Solana
The Pendle team confirmed that expanding its principal tokens (PTs) to Solana via Chainlink CCIP and Kamino will represent the first non-EVM "Citadel" originally outlined in its 2025 roadmap 3. The Kamino team announced plans to add support for PT-sUSDe on Solana, enabling users to access Pendle's principal token for sUSDe directly through Kamino without interacting with Ethereum bridges or paying Ethereum gas fees 4. This integration establishes a framework for extending additional PT assets to Solana, deepening the network's decentralized finance (DeFi) offerings.
Ondo Finance Coming to Solana
Ondo Finance announced that it will launch on the Solana Network in early 2026 5. This is significant because Ondo is a major provider of tokenized real-world assets (RWAs), and its arrival would expand the range of yield-bearing and traditional-finance-linked instruments available to Solana users.
Biggest Stories of 2025
Ondo Global Markets announced its Solana launch for early 2026, signaling continued institutional interest in bringing tokenized real-world assets to the network (December 15, 2025) 5.
Pendle confirmed its first non-EVM "Citadel" expansion to Solana via Chainlink CCIP and Kamino, extending its yield-trading products beyond Ethereum for the first time (December 16, 2025) 3.
Kamino announced support for PT-sUSDe on Solana, enabling users to access Pendle's principal token for sUSDe without Ethereum bridges or gas fees, using the Chainlink Cross-Chain Token standard (December 11, 2025) 4.
Sky Protocol began voting on the final stage of its Solana Bridge Migration, an out-of-schedule executive proposal to complete the transition (November 17, 2025) 6.
The Alpenglow consensus proposal passed with 98.27% of votes in favor, approving a protocol that replaces Proof-of-History and TowerBFT and targets finality latency of roughly 100–150 milliseconds (September 2, 2025) 1.
Voting on SIMD-0326 (Alpenglow) began, running from epoch 840 through the end of epoch 842, with validators following published voting instructions (August 27, 2025) 7.
The Alpenglow proposal was formally initiated via SIMD-0326, describing the "Votor" direct-vote protocol and the "Rotor" data dissemination system, with a governance process involving stake-weight collection and a two-thirds approval threshold (August 14, 2025) 2.
Anza released the Internet Capital Markets (ICM) roadmap, outlining infrastructure upgrades to support Application-Controlled Execution (ACE), including Jito's Block Assembly Marketplace (BAM), DoubleZero integration, Alpenglow, Asynchronous Program Execution (APE), and future Multiple Concurrent Leaders (MCL) (July 24, 2025) 8.
A network security issue was identified, with core contributors advising mainnet-beta validators to upgrade to Anza v2.2.16, Jito-Solana v2.2.16-jito, or Firedancer v0.505.20216 when delinquent stake fell below 5% (June 13, 2025) 9.
Anza introduced Alpenglow, a new consensus protocol replacing TowerBFT and Proof-of-History with Votor and Rotor, projected to reduce finality latency to a median of 150 milliseconds (May 19, 2025) 10.
A critical security patch was issued, with core contributors identifying a network security issue requiring an urgent response and releasing v2.1.20 with a patch (April 18, 2025) 11.
Confidential Balances Token Extensions launched on mainnet, introducing three token extensions enabling configurable privacy features such as encrypted balances and transfers secured via ZK proofs and ElGamal encryption (April 8, 2025) 12.
MetaMask unveiled its 2025 roadmap, announcing that native Solana support would arrive in May 2025, making Solana the first non-EVM chain supported by the wallet (February 28, 2025) 13.