Co-founder of Ethereum, Vitalik Buterin, outlined a potential roadmap for the “Purge” upgrade in his latest article, aiming to gradually address the complexity and “bloat” issues of Layer 1. In the article published on October 26th, Vitalik stated that the bloat of a protocol primarily stems from the increase in functionalities and accumulation of historical data. Currently, running an Ethereum node requires approximately 1.1TB of disk space for executing the client (connecting to the Ethereum network and holding its data) and hundreds of GB of storage space for the consensus client (implementing Ethereum’s proof-of-stake consensus mechanism).
He expressed that apart from unnecessary protocol functionalities, reducing the need for each node to permanently store all historical records can achieve the goal of reducing bloat while still maintaining the permanence of the blockchain. He also proposed some effective methods for clearing Ethereum’s state, including account balances, contract code, and contract storage, which can contribute to the ever-increasing storage requirements of a client.
In a recent series of articles, Vitalik explored the “Merge,” “Surge,” “Scourge,” and “Verge” upgrades, and in the fifth article of this series about “The Purge,” he wrote:
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