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usmannk

HN member
Joined
Thu, Sep 03, 2015, 2:39 PM UTC
HN karma
2,553
Public activity
295 items

About usmannk

hn@usmannkhan.com

Recent public activity

  1. comment
    Comment #44916216

    This is about a language compiler bug. There are no takeaways about smart contracts here.

  2. comment
    Comment #44832982

    which slide suggests this? i didnt find anything suggesting you could start a car with rollback

  3. comment
    Comment #44476980

    you spooked me but indeed it's in the final version: https://www.congress.gov/bill/119th-congress/house-bill/1/te... > Sec. 70431. Expansion of qualified small business stock gain …

  4. comment
    Comment #43478099

    aha! i geoguessed it. i live only 2 blocks away. would love if someone could email me the whatsapp link. usmann@usmannkhan.com

  5. comment
    Comment #43477874

    hi neighbor! i had the same thought.. looks so familiar. must be nearby

  6. comment
    Comment #42290760

    dont you find all the string parsing and manipulation to be quite painful in Swift? I tried to do AoC in Swift before and that put me off a lot. I liked doing little functional one…

  7. comment
    Comment #40724554

    1. This is really hard to enumerate. I basically am always doing recon and don't do it 1 target at a time either. I'd been looking at Sei's V2 upgrade code on and off for months, a…

  8. comment
    Comment #40713312

    The answer to this question is out there, but the reports are not published yet. I caution readers to not make rash judgements on their skill like this though. These bugs are reall…

  9. comment
    Comment #40711655

    Typically networking. I spent some time working at a reputable firm in this space as well. One way to do this is to show some chops on the competition sites and then move to one of…

  10. comment
    Comment #40711302

    Projects are free to change their terms and the page you link has been updated since I submitted my reports. The maximum was lowered to $1M and payment currency changed from USDC t…

  11. comment
    Comment #40711274

    Wire fraud, at minimum. This would constitute direct theft. Very similar cases have been tried and convicted several times now.

  12. comment
    Comment #40710749

    1. Yes, they sent me 2,000,000 USDC. 2. Well, I'm currently not employed full time and I do spend a lot of time bounty hunting. But I mix it in with other things as well, like comp…

  13. comment
    Comment #40710616

    Right, yeah. I estimated that a savvy attacker might have been able to get out with 50 or even 100m from this, but they would also go to jail. So...

  14. comment
    Comment #40710606

    It was advertised in advance, but the real gamble is on if they'll pay. If you go to my other blogpost linked in OP, you can see a case where I was owed 500k and paid 60k. You're r…

  15. comment
    Comment #40710589

    It's up there but not singularly so. Twice there have been $10M! You can see the leaderboard where the majority of crypto bounties are represented here ( https://immunefi.com/leade…

  16. comment
    Comment #40710576

    Hey OP here, thanks for posting. Happy to answer any questions.

  17. comment
    Comment #40710568

    This one was actually USDC! Regulated, unmagic, dollar-backed beans.

  18. comment
    Comment #40383295

    this data would leave you thinking valencia st is worse off than soma

  19. comment
    Comment #39990477

    why does the hardware addressability reasoning hold for RAM but not SSDs?

  20. comment
    Comment #39555817

    > Technologists describe their systems as having “uptime” and measure it in “nines”, such as “We have five nines of uptime”, which means that a system has 99.999% uptime or, equiva…

  21. comment
    Comment #38576971

    yeah after writing this i looked more attentively as i walked by today and they are pretty fucked

  22. comment
    Comment #38573577

    Yeah I was sad when they stopped closing the street on Saturday :/

  23. comment
    Comment #38573462

    they are like.. flexy bollards? cars can run over them no problem

  24. comment
    Comment #38573416

    Did you notice most of the parklets on Valencia are actually gone now? The city forced businesses to get rid of them over the last 3 months or so. Monk's kettle, City Beer Store, a…

  25. comment
    Comment #38573401

    I have on several occasions seen firetrucks and police cars nearly kill bikers in this bike lane. The vehicles abruptly turn _into_ the center bike lane without warning, and use it…