The final 200-millisecond block time upgrade since August on the Solana blockchain, reducing it from 250 milliseconds, is scheduled to take effect at epoch 1053, expected around 15:00 UTC on Friday, October 9, 2026, according to developer Anza

Base blockchains that settle transactions on their own network, such as Ethereum, Solana, and Avalanche, competing on security, throughput, decentralization, and developer ecosystems.

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