As a longtime crypto & blockchain skeptic- I have to be fair and note that, according to this FT article, HSBC and Wells Fargo are using (non-crypto) blockchain

As a longtime crypto & blockchain skeptic- I have to be fair and note that, according to this FT article, HSBC and Wells Fargo are using (non-crypto) blockchain specifically to settle currency trades. And this is apparently past the testing or experimentation stage, this is live implementation. I don't really understand how it works (if you have a fat finger error, is it reversible?) or why it's better than a simple relational database, but apparently this is a use case https://www.ft.com/content/1a4dcaf5-2b4b-4f0b-8c58-a8fa173f24b3 https://www.ft.com/content/1a4dcaf5-2b4b-4f0b-8c58-a8fa173f2... https://archive.is/qs8Cg https://archive.is/qs8Cg (archive.is link to bypass the paywall)