The final dress rehearsal for Ethereum’s upcoming Fusaaka upgrade took place on Tuesday, as the blockchain prepares for mainnet hard-fork activation.
The test, which went live on the Hudi testnet around 18:53 UTC, involved passing a series of code changes to make Ethereum more scalable and more cost-efficient.
Testnets are replicas of the blockchain’s main network, providing a secure environment for developers to test major upgrades and fix any issues before they go live on the mainnet.
Hudi was the last of three testnets to run through Fusaaka’s simulations, along with two other successful test upgrades on the Holski and Sepolia networks.
Nearly six months after Ethereum’s Pectra upgrade, Fusaaka has introduced changes designed to cut costs for developers, users, and institutions running the network. Its centerpiece, PeerDAS, lets validators check only segments of data rather than full “blobs,” easing bandwidth demands and reducing expenses for both validators and the layer-2 network.
After all three tests have been conducted, the developers will finalize the date when Fusaaka will go live on the mainnet. According to the Ethereum Foundation, at least 30 days after today’s test it will be tentatively slated for November 28, although core developers discussed potentially making it live on the mainnet on December 3 in a bi-weekly call last week.
Ethereum developers are already moving full steam ahead on the following hard fork, known as Glamsterdam. Although nothing has been decided yet, the developers are planning to include proposals that work on proponent-producer separation.
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