The biggest blockchain upgrades still to come in 2026
CoinTelegraph·
60-second summary
Ethereum's Glamsterdam and Solana's Alpenglow are among the biggest blockchain upgrades still to come in 2026, with other notable projects like Cosmos and Polkadot also undergoing significant protocol updates. These upgrades aim to enhance scalability, security, and interoperability, potentially paving the way for widespread adoption and increased usability of decentralized applications.
From Ethereum’s Glamsterdam to Solana’s Alpenglow, 2026’s most important developments are protocol upgrades, not price charts.