Ethereum developers launched the 2nd trial of the upcoming Fusaka upgrade aboriginal Tuesday greeting connected the Sepolia network, marking different measurement toward the upgrade’s mainnet debut.

The trial follows a palmy rollout connected the Holesky testnet 2 weeks ago. Developers program 1 final rehearsal connected the Hoodi network connected Oct. 28, aft which they’ll acceptable a day to activate Fusaka connected Ethereum’s main blockchain.

Coming lone a fewer months aft Ethereum’s large Pectra upgrade, Fusaka is designed to little costs for institutions utilizing the network. One of its cardinal features, PeerDAS, allows validators to verify lone portions of information alternatively than full “blobs.” This betterment reduces bandwidth demands and helps chopped costs for some layer-2 networks and validators.

Testnets similar Sepolia larks a important relation successful Ethereum’s improvement cycle, giving developers a reliable situation to trial upgrades nether real-world conditions earlier they spell unrecorded connected the main network.

Holesky, however, has begun to amusement signs of aging and is expected to beryllium deprecated soon. Its successor, Hoodi, launched earlier this year, is designed to much intimately reflector Ethereum’s mainnet. The upcoming Hoodi trial is expected to beryllium the astir telling indicator yet of however Fusaka volition execute erstwhile it goes live.

Read more: Ethereum to Close Its Largest Testnet, Holesky, After Fusaka Upgrade