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ianmiers

HN member
Joined
Fri, Nov 06, 2015, 7:42 PM UTC
HN karma
569
Public activity
113 items

About ianmiers

https://cs.umd.edu/~imiers/

Cryptographer. CS Professor at the University of Maryland

Recent public activity

  1. comment
    Comment #45222290

    This is inaccurate and in a hilarious way. Treasury is not coming after Bitcoin. There's an update in an ongoing rulemaking process that got reported here[0] as banning mixing and …

  2. comment
    Comment #44118134

    This is by no means a comprehensive analysis. This analysis misses the most major limitation with Monero's decoy based approach to transaction obfuscation: Eve-Alice-Eve attacks (a…

  3. comment
    Comment #32991342

    if you just sent Mick down the left path and he came out the right, then a video would conclusively show he knew the password. And this is why "How to explain zero-knowledge protoc…

  4. comment
    Comment #32091745

    Paying in cash, in addition to being a minor inconvenience that non-the-less outweighs most people's desire for privacy, does not work in online payments. It also doesn't work in b…

  5. comment
    Comment #31995863

    Fun fact, AMMs were considered well before cryptocurrency. " The most popular automated market maker used in Internet prediction markets is Hanson’s logarithmic market scoring rule…

  6. comment
  7. comment
    Comment #30356469

    Yeah, those papers are very dense. You might want try reading zerocoin[0] first, it was the starting point of all the zero-knowledge proofs for private payments on a blockchain. Th…

  8. comment
    Comment #30356388

    This is pretty cool. But you might want to update the credit for the zksnark +merkle tree + nullifier idea. It's from an academic paper, Zerocash in 2014. The approach is used in Z…

  9. comment
  10. comment
    Comment #28557814

    I don't think tagging people as ex 8200 is very helpful. Israel has mandatory military service and at this point if you have aptitude or are in a high school computer club in Tel A…

  11. comment
    Comment #28557563

    This has already happened. A catholic newspaper bought commercial location and app data and used it to out a gay priest who was forced to resign. They broke the joke "privacy prote…

  12. comment
    Comment #28525545

    It's an important distinction. The fact that huge numbers of people rotate through the hacking side of 8200 (like the NSA, vast majority of 8200 members don't work on that) is what…

  13. comment
    Comment #28519954

    NSO group is ex unit 8200, which is military signals intelligence. So in American terms, it's the NSA not the CIA. The distinction is important in a country with mandatory military…

  14. comment
    Comment #28519164

    Because Bitcoin is twitter for your bank account. It exposes everything you do to anyone who can download the blockchain. You can argue that some gov/regulator should have access, …

  15. comment
    Comment #28519033

    There are some Zcash forks with iffy dev support and no market traction. The problem is the kind of cryptography you need to do something like Zcash is very very very hard to get r…

  16. comment
    Comment #28518802

    I think the reddit user someone else linked to pretty clearly explained the Monero side. Zcash has a bad reputation with darknet markets and the like that use Monero. Some of it de…

  17. story
  18. comment
    Comment #28284068

    Partially, but it's also: you will pay for a phone number, you won't pay for icloud, etc. So, as a result a phone number is costs something like 10 cents for an attacker.

  19. comment
    Comment #28177812

    What happens if someone tries to coerce Apple into writing backdoor code? Engineers at Apple could resist, resign, slow roll the design and engineering process. They could leak it …

  20. comment
  21. comment
    Comment #28177333

    > Our system involves both an on-device component where the voucher is created, but nothing is learned, and a server-side component, which is where that voucher is sent along with …

  22. comment
    Comment #28135983

    yes, you can turn AV into the same thing. But no one has been advocating for that or passing laws that would make AV both mandatory and have to report you to the police. This has b…

  23. comment
    Comment #28134191

    >The only thing stopping your phone from keylogging your password to a server in the NSA somewhere if it recognizes a specific trigger pattern is Apple's willingness and ability to…

  24. comment
    Comment #28132801

    Yes, and even more ironically, thats precisely the problem. Because it makes mass sweeping of client side content viable --- both technically and morally--- in a way never possible…

  25. comment
    Comment #28132636

    Factually, not yet. That will change and I will explain how in a moment. But first there's a major difference between doing it on device vs in the cloud. It changes how we think ab…