That is an absolutely fascinating article on the technical operation of a scam app. A definite warning to us all. Also I was very interested to read the terms and conditions of the Snap Store, specifically section 14: Limitation of Liability (which could be titled “Sorry, You’re Fucked”).
I don’t like bitcoin, it’s an environmental disaster that had potential but has turned into a highly volatile speculative device beloved by libertarians, grifters, and scammers. I do feel for the person who lost the coins, that cannot be a very nice experience to deal with.