<ul><li>An Ethereum researcher's social media post has sparked speculation over a potential solution for Ethereum's scalability challenges.</li><li>There are rumors about an ETH 3.0 upgrade, including a second merge into a new consensus targeting 1-second block times and a native zero-knowledge Ethereum Virtual Machine (zkEVM).</li><li>Consensys CEO Joe Lubin discussed revisiting execution sharding and using zkEVM at layer-1 to solve Ethereum's scalability issues.</li><li>The implementation of these approaches could take several years but could potentially lead to millions of transactions per second on Ethereum.</li></ul>

ETH 3.0: Sharding may return to scale Ethereum to millions of TPS

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