Solana validators approved the SIMD-0326 proposal implementing Alpenglow in September 2025 with over 98% voting in favor

How blockchain protocols make collective decisions about upgrades, funding, and rules, whether through on-chain voting, off-chain social consensus, or foundation stewardship.

Rules by which distributed networks agree on a shared ledger, from proof of work mining to proof of stake validation, trading off security, energy use, and decentralization.