# Aztec Ships Alpha V5, Cutting Private Ethereum Transaction Proving Time to 2.5 Seconds on a Laptop

The privacy-focused layer-2 network says the update halves its proving-cost parameter, cuts the gas needed to verify a rollup proof by roughly 40 percent, and now proves a fully private transaction directly on a user's own device.

- Published: 2026-08-07T14:25:07.977Z
- Canonical: https://polylog.news/crypto/2026-08-07/aztec-ships-alpha-v5-cutting-private-ethereum-transaction-pr
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Aztec Network](https://aztec.network/alpha-v5), [Aztec Network](https://aztec.network/blog/dark-forest-aztec-game-goes-live)

Aztec Network, a privacy-focused layer-2 built on Ethereum, released Alpha V5, an update the team says cuts the time to generate a fully private transaction proof by more than half, to roughly 2.5 seconds on an ordinary laptop, while droppi…

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