智能眼镜 N50：代号 N50，对标 Meta Ray-Ban 但要更高端。无显示屏，靠扬声器、麦克风和双摄像头实现功能——一颗拍照录像，一颗专门用于计算机视觉。计划 2027 年发售；
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Single-use (or limited-usage) credentials. The most common approach is to issue credentials that allow the user to log in (“show” the credential) exactly one time. If a user wants to access the website fifty times, then she needs to obtain fifty separate credentials from the Issuer. A hacker can still steal these credentials, but they’ll also be limited to only a bounded number of website accesses. This approach is used by credentials like PrivacyPass, which is used by sites like CloudFlare.
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And that’s something he doesn’t want for future generations: “I didn’t want my children to have that level of desperation every day, and fear of failure.”