Apr 4, 2020
Inside Kraken Security Labs: Flaws Found in CoolWallet S Hardware Wallets
At Kraken Security Labs, we try to discover attacks against crypto users before the bad guys do.
The CoolBitX CoolWallet S is a credit-card sized wallet that pairs with mobile phone applications (both Android and iOS) via Bluetooth.
We recently discovered the CoolWallet S Android application stores the wallet’s PIN, pairing password, and hardware seed in plaintext. This vulnerability means…
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