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.
Ранее российские владельцы Zeekr 001 рассказали о неожиданных нюансах электрокара.
，这一点在下载安装汽水音乐中也有详细论述
Naturally this approach requires a bit more work on the User’s part: if there are M users on the banned list, then every User must do about M extra pieces of work when Showing their credential, which hopefully means that the number of banned users stays small.
На Украине рассказали о технике влияния Ермака на Зеленского14:52