Solana is preparing for a major overhaul that could make its famously fast blockchain even faster — and a lot easier to run.
In its „Crypto Monthly Recap for September 2025” research report published Oct. 3, global asset manager VanEck says Solana’s upcoming Alpenglow upgrade marks the biggest change to the network’s core software since launch.
The firm calls it “the largest upgrade to Solana’s consensus in its history,” pointing to six key changes that together promise faster performance, lower costs, and greater reliability.
For readers less familiar with Solana’s design, Alpenglow essentially changes how the network’s thousands of validators agree on which transactions are valid. That process, known as consensus, is being streamlined so data moves through the system more efficiently and validators can operate with less friction.
What VanEck highlighted
Faster finality. Today, Solana takes around 12 seconds to finalize a transaction, meaning to confirm it permanently
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