The Infallible Blockchain Attack

A hardware wallet is basically a weak computer and then you have to load all that information into the very weak computer. It can take all the time with the big transaction or a lot of them so that's not ideal for hardware wallets. Some of them are really, really slow. They're using chips that were designed in the dark ages. Yeah, it's not really made for this type of stuff. No, absolutely not. Anyhow, so in came Segret and the idea was to say, okay, let's have the signature of the transaction not just cover what coin you're spending but also the amount that you're spending. And then the idea is that if you sign something,