The power of the ZK approach gives us many other tools to limit the power of credentials. For example, it’s relatively easy to add expiration dates to credentials, which will implicitly limit their useful lifespan — and hopefully reduce the probability that one gets stolen. To do this, we simply add a new field (e.g., Expiration_Time) that specifies a timestamp at which the credential should expire.
Leopold Aschenbrenner’s Situational Awareness AI hedge fund now reports roughly $5.5 billion in U.S. equity exposure, spread across nearly 30 holdings, Fortune’s Sharon Goldman notes. Among the new or expanded positions are Bloom Energy, a fuel-cell power company that is now the fund’s single largest holding; CoreWeave, an AI cloud infrastructure provider; and Cipher Mining, a large crypto-mining firm. Aschenbrenner appears to be betting that the most valuable assets in the AI era may not be algorithms, but electricity and computing power.
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