The End of an Era in Ethereum (ETH): Developers Make the Announcement

The Ethereum Foundation has announced that Holešky, one of Ethereum's largest testnets, has reached the end of its lifespan and will soon be shut ￰0￱ to the statement, following the announcement on September 1st, the majority of validators on the network will be disabled two weeks after the Fusaka upgrade is approved on Holešky. From that date onward, the client, testing, and infrastructure teams will also no longer support Holešky. Holešky launched in 2023 as ETH's largest public testnet, primarily used for large-scale testing of staking infrastructure and validator ￰1￱ this time, the network hosted numerous protocol tests with thousands of validators, including Dencun and the recent Pectra ￰2￱ News: Cardano (ADA) Founder Charles Hoskinson Makes Statement About ADA's Future However, after the Pectra testnet went live in early 2025, Holešky experienced network inactivity, and the validator exit queue became extremely ￰3￱ the network subsequently recovered and completed finalization, it became impossible to test the entire lifecycle of validators within a reasonable ￰4￱ these issues, the Ethereum ecosystem launched a new testnet called Hoodi in March 2025, providing a more efficient and limitation-free testing environment. *This is not investment ￰5￱ Reading: The End of an Era in Ethereum (ETH): Developers Make the Announcement