**[Vitalik Changes Perspective: Blockchain Should Preserve a "Fallback" for User Self-Verification]** Ethereum co-founder Vitalik Buterin posted on the X platform, stating that he no longer agrees with the viewpoint he proposed in 2017, which described "ordinary users self-verifying the entire system history as a bizarre 'hermit' fantasy." He explained that his earlier statement was made to counter the proposal that "blockchains only need to record transaction order without recording state," as the latter would force users to rely solely on a single data source. The core reasons for his change in perspective are twofold: First, breakthroughs in technologies like ZK-SNARKs have enabled users to efficiently verify chain states without re-executing all transactions, significantly reducing the cost of self-verification. Second, he has gained a deeper understanding of the complexities of the real world, including network risks, service interruptions, and potential threats of attacks and censorship. Therefore, a blockchain system that pursues long-term self-custody must provide users with a reliable and trustless "fallback"—a self-verification capability metaphorically represented by the "hermit's cabin." He emphasized that maintaining this capability is not about advocating for its daily use but ensuring it is available in times of crisis, serving as a cornerstone for enhancing the resilience of the entire system and safeguarding user autonomy.