# Solana Cuts Block Times to 350 Milliseconds and Trims the Compute Budget to Match

The change takes effect at epoch 1020 on August 21 under SIMD-0525, while new Ethereum research argues that manipulating validators' view of the chain head is the common factor in reorganization attacks.

- Published: 2026-08-20T05:47:26.932Z
- Canonical: https://polylog.news/crypto/2026-08-20/solana-cuts-block-times-to-350-milliseconds-and-trims-the-co
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CryptoSlate](https://cryptoslate.com/solana-is-slashing-per-block-compute-limits-so-its-new-350ms-speed-boost-doesnt-overload-the-network/), [Ethereum Research](https://ethresear.ch/t/timing-the-head-in-ethereum-pos/25766)

Solana shortens its slot time from 400 milliseconds to 350 at epoch 1020 on August 21, the first of four planned 50-millisecond reductions under the improvement document SIMD-0525 that end at 200 milliseconds. CryptoSlate reported that the…

This story is for subscribers. Read it in full at https://polylog.news/crypto/2026-08-20/solana-cuts-block-times-to-350-milliseconds-and-trims-the-co (subscription information: https://polylog.news/pricing).