# Solana Raises Its Transaction Size Limit to 4,096 Bytes on Mainnet

The new transaction format took effect at the start of epoch 1035 early Tuesday and lets a zero-knowledge proof or a large multisignature approval fit in one atomic transaction.

- Published: 2026-09-15T05:52:11.664Z
- Canonical: https://polylog.news/crypto/2026-09-15/solana-raises-its-transaction-size-limit-to-4-096-bytes-on-m
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CoinDesk](https://www.coindesk.com/tech/2026/09/15/solana-transactions-just-got-more-than-3-times-bigger-giving-an-edge-over-ethereum), [Solana](https://solana.com/upgrades/larger-transaction-sizes)

Solana activated its version-one transaction format on mainnet at the start of epoch 1035 early on Tuesday, raising the maximum size of a single transaction from 1,232 bytes to 4,096. CoinDesk reported that the change gives developers room…

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