不过，这并不意味着墨水屏厂家们可以高枕无忧了，目前整个行业的供应链极度单一，全球墨水屏的核心技术和面板供应，几乎都来自元太科技（E Ink）。
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:first-child]:h-full [&:first-child]:w-full [&:first-child]:mb-0 [&:first-child]:rounded-[inherit] h-full w-full
In real systems we do need to be a bit careful to ensure that the key K is chosen honestly and at random, to avoid a user duplicating another user’s key or doing something tricky. Often real-world issuance protocols will have K chosen jointly by the Issuer and User, but this is a bit too technically deep for a blog post.
Фото: x99 / ZUMAPRESS.com / Globallookpress.com