I used to think that the design of “reusing authentication repeatedly” has nothing but advantages—until I switched perspectives and realized there’s a weakness hidden here that I hadn’t noticed before.
What Dusk’s Citadel does is this: an institution can allow a third party to prove a specific fact about a counterparty—for example, “this person’s qualifications meet the requirements,” “this person is not on the sanctions list,” or “the judicial jurisdiction where this person is located satisfies the conditions.” The proof itself can be reused, so there’s no need to submit the underlying data again every single time. I previously understood this as a “convenient all-purpose pass” and thought it only brought benefits. But later I realized something: whether this “certificate” is trustworthy ultimately still depends on whether the issuing party is reliable.
To put it another way, it’s a bit like your credit report—banks, landlords, and all sorts of institutions all accept that report. It’s definitely convenient not having to prove your credit status from scratch each time, but the prerequisite is that the institution issuing the credit report itself must be trustworthy. Once that institution has problems—data gets corrupted—then every place relying on that report suffers right along with it.
Citadel’s design doesn’t make “identity verification” disappear; it concentrates the previously distributed verification work into a single step: the issuance step. Verification costs do go down, but the risk becomes concentrated in that one point too. I think this is a pretty realistic trade-off—choosing convenience over safety in a way that, to some extent, means you give up one thing to get another. It’s not free.
What I’m more curious about now is whether this credential mechanism can truly hold up when disputes actually arise and you need to get serious in court—at least, I haven’t found concrete real-world cases so far.
If it were you, which part of “reusing authentication repeatedly” would you be more worried about?
@Dusk $DUSK #dusk
What Dusk’s Citadel does is this: an institution can allow a third party to prove a specific fact about a counterparty—for example, “this person’s qualifications meet the requirements,” “this person is not on the sanctions list,” or “the judicial jurisdiction where this person is located satisfies the conditions.” The proof itself can be reused, so there’s no need to submit the underlying data again every single time. I previously understood this as a “convenient all-purpose pass” and thought it only brought benefits. But later I realized something: whether this “certificate” is trustworthy ultimately still depends on whether the issuing party is reliable.
To put it another way, it’s a bit like your credit report—banks, landlords, and all sorts of institutions all accept that report. It’s definitely convenient not having to prove your credit status from scratch each time, but the prerequisite is that the institution issuing the credit report itself must be trustworthy. Once that institution has problems—data gets corrupted—then every place relying on that report suffers right along with it.
Citadel’s design doesn’t make “identity verification” disappear; it concentrates the previously distributed verification work into a single step: the issuance step. Verification costs do go down, but the risk becomes concentrated in that one point too. I think this is a pretty realistic trade-off—choosing convenience over safety in a way that, to some extent, means you give up one thing to get another. It’s not free.
What I’m more curious about now is whether this credential mechanism can truly hold up when disputes actually arise and you need to get serious in court—at least, I haven’t found concrete real-world cases so far.
If it were you, which part of “reusing authentication repeatedly” would you be more worried about?
@Dusk $DUSK #dusk
A. 发证方靠不靠谱,信任集中在一个点上
67%
B. 数据会不会被滥用,反复调用次数太多
0%
C. 没什么好担心的,方便最重要
33%
3 votes • Voting closed