ECDSA can be tweaked to work without randomness. No randomness, no bad randomness.

 wondered in the past, if you need a nonce for every time you sign a transaction, why is it okay to trust your device to generate the randomness when it is not safe to trust your device to generate the randomness for your key?

tech

Upbit hack's Occam's razor

k00b

> ECDSA can be tweaked to work without randomness. No randomness, no bad randomness.

I didn't know this. 

I *have* wondered in the past, if you need a nonce for every time you sign a transaction, why is it okay to trust your device to generate the randomness when it is not safe to trust your device to generate the randomness for your key? 