Re:Hacking the most popular cryptocurrency hardware wallets ...
by michaelt on Friday December 28, 2018 @10:55AM
(#18777433)
All attacks against the Ledger Nano required them to
get access to the device then give it back to you.
Presumably if you were planning to exploit these things, you'd blend in with the 90 third-party Ledger Nano S resellers on Amazon [1], offering a slightly lower price.Doctor the devices to use predictable private keys, sell at a loss to be the cheapest seller on Amazon, then grab all the bitcoins at a time of your choosing, because you know the private keys.
The Ledger Blue was vulnerable to sniffing the PIN entry by radio, but Ledger claims it's not usable in practice.
All attacks against the Ledger Nano required them to get access to the device then give it back to you.