Ethereum’s largest testnet, Holešky, is set to shut down after a two-year run, coinciding with the upcoming Fusaka upgrade in mid-September 2025. The decision comes after technical issues in early 2025 and reflects a commitment to improve Ethereum’s infrastructure.
The transition to the Hoodi testnet will allow for a smoother testing environment that supports future upgrades. The Fusaka upgrade aims to enhance network efficiency, particularly related to data access. This shift underscores Ethereum’s dedication to continual improvement in its network capabilities.
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