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.
When the Human Genome Project (HGP) released its initial draft sequence in 2001, President Bill Clinton hailed it as “the most wondrous map ever produced by mankind.” After more than ten years of work, an estimated $3 billion in research costs, and a “genome war” with Craig Venter’s private company, Celera Genomics, the project had produced a nearly complete sequence of a human genome.1
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3rd over: India 8-0 (Smriti Mandhana 2, Shafali Verma 4) There aren’t huge numbers in at the WACA, unless they’re camera shy. Perhaps there will be an after-work influx. Brown has the ball swinging, Verma doesn’t look entirely secure.，这一点在PDF资料中也有详细论述