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Nick Percoco
Kraken
28.5K posts
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Nick Percoco

Kraken
@c7five
Chief Security Officer at @krakenfx, hacker, @THOTCON OPER, @IamTheCavalry, @DEFCON NOC, @SpiderLabs founder - Opinions are my own, not my employer’s
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Joined April 2009
1,196
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30.3K
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  • Pinned
    user avatar
    Nick Percoco
    Kraken
    @c7five
    Aug 2
    Article cover image
    Article
    The Coldcard entropy failure should be a wake-up call for the entire hardware wallet industry.
    For five and a half years, certain firmware versions generated seeds with far less entropy than intended. Roughly 40 bits on Mk2 and Mk3, and about 72 bits on Mk4, Mk5 and Q, against an intended...
  • user avatar
    Nick Percoco
    Kraken
    @c7five
    Aug 13
    This is a really interesting solution to the Bitcoin multisig UX problem. Makes it more accessible.
    user avatar
    Luke Childs
    Umbrel ☂️
    @lukechilds
    Aug 13
    Imagine having to use your hardware wallet every single time you wanna pull funds out of cold storage. Couldn't be me.
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  • user avatar
    Nick Percoco
    Kraken
    @c7five
    Aug 7
    Been asking for this for years. Hope to try it out soon.
    user avatar
    Signal
    @signalapp
    Aug 4
    New: Link an Android tablet, Android phone, or iPhone as a linked device to your Signal account. The most important links are with the people who matter to you, but if you want two phones, a tablet, and a laptop linked to your Signal account, we’ve got your back.
  • user avatar
    Nick Percoco
    Kraken
    @c7five
    Aug 7
    Update or turn off your BTCPay Server so you don’t lose funds
    user avatar
    BTCPay Server
    @BtcpayServer
    Aug 7
    There is a critical vulnerability being actively exploited on BTCPay Server, which can result in the loss of funds. Please update your BTCPayServer to 2.4.2 by going to Admin Dashboard -> Server -> Maintenance -> Update & verify the 2.4.2 version string in the footer. If you
  • user avatar
    Nick Percoco
    Kraken
    @c7five
    Aug 6
    Scammers are calling our clients pretending to be Kraken Support, or reps from other crypto firms. The script rarely changes. They tell you there's a security issue with your account and you need to move your funds somewhere safe now. We built something for that moment. Kraken
    Image
    New security features: how to verify a call is really from Kraken Support
    From blog.kraken.com

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