Ethereum co-founder Vitalik Buterin emphasized the importance of 'sanctuary technologies' in a recent podcast with a16z, advocating for technologies that protect human privacy and agency without resorting to centralized control. As AI capabilities expand, Buterin argues that the real threat is not AI's intelligence but human passivity. He suggests that instead of relying on large corporations or AI systems for security, individuals should focus on maintaining their autonomy and privacy. Buterin introduced the concept of 'sanctuary technologies' as spaces that preserve human freedom and choice, exemplified by Ethereum's decentralized nature. He stressed the importance of active engagement with technology, urging individuals to occasionally perform tasks manually to keep their minds sharp and maintain control over their decisions. In the AI era, Buterin believes that the value of crypto lies not in fixing existing systems but in offering new, sovereign options for users.