数据湖范围扩展：从结构化到全模态统一管理
computation. (They probably could be made to work, but it would
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When a client asks for the time, it sends a random nonce. The server replies with a signed certificate containing both the nonce and a timestamp, proving the response happened after the request. Responses can be chained together with provable ordering; if any server’s timestamps are inconsistent with that ordering, that server is cryptographically “outed” as unreliable.。同城约会对此有专业解读
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