Under the Alpenglow upgrade scheduled for October 21, 2026, Solana validators exchange votes directly off-chain and aggregate approvals into a certificate that finalizes blocks after one or two voting rounds

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

Approaches to processing more transactions without sacrificing security or decentralization, spanning rollups, sharding, data compression, and faster consensus designs.

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.