Ethereum co-founder Vitalik Buterin says the network is entering a major rebuilding phase that will touch nearly every core part of the protocol over the next three to four years. The effort is expected to put quantum safety and privacy at the center of Ethereum’s next chapter.
Ethereum co-founder Vitalik Buterin says the network is entering a major rebuilding phase that will touch nearly every core part of the protocol over the next three to four years. The effort is expected to put quantum safety and privacy at the center of Ethereum’s next chapter.
The development matters because Ethereum remains one of crypto’s most important base-layer networks, supporting a wide range of applications, companies, and markets. A multi-year rebuild of core protocol components could shape how developers, infrastructure providers, and users think about Ethereum’s long-term reliability and competitiveness.
Ethereum is preparing what Vitalik Buterin described as its biggest protocol overhaul since the Merge, according to Decrypt. The planned effort would rebuild nearly every core piece of Ethereum over a three-to-four-year period, with quantum safety and privacy becoming central priorities.
The development matters because Ethereum remains one of crypto’s most important base-layer networks, supporting a wide range of applications, companies, and markets. A multi-year rebuild of core protocol components could shape how developers, infrastructure providers, and users think about Ethereum’s long-term reliability and competitiveness.
The Merge, Ethereum’s earlier landmark upgrade, changed the network’s consensus system and became a defining moment in its technical roadmap. Buterin’s latest comments suggest the next phase is broader in scope, focused not on a single headline change but on reworking fundamental parts of the protocol stack.
Two themes stand out: quantum safety and privacy. Quantum safety refers to preparing cryptographic systems for a future in which quantum computers may challenge existing security assumptions, while privacy has become an increasingly important issue for users and applications operating on public blockchains.
The timeline also signals that this is not an overnight upgrade. A three-to-four-year process implies a gradual technical transition, with Ethereum’s core contributors likely working through complex changes across multiple parts of the network before the overhaul is complete.
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