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Tomas Susanka
Trezor
574 posts
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Tomas Susanka

Trezor
@tsusanka
CTO @trezor
Prague
Joined April 2012
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  • user avatar
    Tomas Susanka
    Trezor
    @tsusanka
    Aug 3
    Multiple entropy sources are only worth something if the code actually uses them. You can have four different sources of randomness in the device, but if it is using a test generator instead (code bug), none of those sources actually matter. Rolling dices doesn’t imply the device
  • user avatar
    Tomas Susanka
    Trezor
    @tsusanka
    Jul 31
    Randomness is the foundation everything else in a hardware wallet stands on. Get it wrong and nothing else matters. Not the secure element, not the air-gap, not the metal backup. Weak entropy during initialization = funds drained "remotely." No device access needed, attacker
  • user avatar
    Tomas Susanka
    Trezor
    @tsusanka
    Jul 2
    Silent Swap is a clipboard hijacker. It sits quietly in the background, spots when you copy a crypto address, and swaps in the hacker's address before you paste. So you think you're sending to a known contact but you're actually paying a hacker. It hides sneakily inside a fake
    user avatar
    U.Today
    @Utoday_en
    Jul 1
    🚨 WARNING: A highly sophisticated new crypto malware dubbed "Silent Swap" is targeting holders of $BTC, $​ETH, and $​XRP! dlvr.it/TTJdDx
  • user avatar
    Tomas Susanka
    Trezor
    @tsusanka
    Jun 13
    That's a wrap on BTC Prague 2026 🇨🇿⚡ Three days here in Prague, full of great talks and great people. See you next year everyone!
    Image
  • user avatar
    Tomas Susanka
    Trezor
    @tsusanka
    Jun 10
    Claude Fable was released few hours ago and there is already a new top result at ecdsa.fail 🤯
    Image
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