Just over a year after the Dencun upgrade gave Layer 2 networks a significant boost, and only a few months before the highly anticipated Fusaka release, Ethereum co-founder Vitalik Buterin proposed a bold idea. In an April forum post, he suggested that the network could eventually replace its long-standing workhorse, the Ethereum Virtual Machine (EVM), with RISC-V, an open-source instruction set architecture. This proposal caused a stir in the community, as the EVM has been the backbone of Ethereum since its inception. But Buterin’s reasoning was focused on long-term scalability, as he believed that a RISC-V-based virtual machine could greatly speed up zero-knowledge proof generation, making it a game-changer for scaling securely. However, while the idea has its merits, it would also require a massive overhaul of the Ethereum ecosystem. According to Stuart Popejoy, co-founder and CEO of proof-of-work Layer 1 blockchain Kadena, such a change would cause significant disruption and would take years to implement and accumulate the necessary network effects. Blockchain researcher Blessing Onuogu believes that while the proposal is complex and ambitious, it could lead to a more scalable and efficient Ethereum. RISC-V’s performance potential could allow for more sophisticated smart contracts, which currently strain the EVM’s stack-based architecture. The technical advantages of RISC-V are not in question, as it is open, customizable, and already used in projects like Nervos. It is also friendly to parallel execution and zero-knowledge applications, potentially reducing proving times and costs. However, integrating RISC-V into the Ethereum ecosystem would be a massive undertaking and would require careful consideration and implementation.
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