It's pretty hard to obfuscate the paper trail when there needs to be a counterparty and the trade needs to be attributed to one person. There's also rather a lo

It's pretty hard to obfuscate the paper trail when there needs to be a counterparty and the trade needs to be attributed to one person. There's also rather a lot of work that's gone into verifying that a trade has come from the person it claims to have come from.