I'm surprised Krebs says something like this, because it's not novel at all. I'm in the industry, and malware used public blockchains at least as far back as 20

I'm surprised Krebs says something like this, because it's not novel at all. I'm in the industry, and malware used public blockchains at least as far back as 2017 (probably way before, but that's when I first analysed a sample that does that).