The network will be shut down after it runs the upcoming Fusaka upgrade, which is expected to roll out in the second half of September.
The Ethereum Foundation confirmed that Holešky will stop receiving support from client developers, infrastructure providers, and testing teams two weeks after Fusaka is implemented.
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Launched in September 2023, Holešky was mainly used to test the staking system and validator setup. According to the foundation, it enabled many validators to test updates before they were deployed to the mainnet. These included changes like the Dencun and Pectra upgrades.
Hoodi is currently taking over Holešky’s role. It already supports the Pectra update and will be used for future changes, including Fusaka. All staking-related tools and infrastructure will be moved from Holešky to Hoodi.
For developers working on smart contracts or decentralized applications, the foundation recommends using Sepolia. This testnet will continue to be the preferred place for application testing while Hoodi handles validator and protocol development.
The upcoming Fusaka upgrade, also referred to as Fulu-Osaka, aims to improve how the network handles data by sharing the workload more evenly among validators.
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