ARGOMENTO: https://www.cfdtrader.org/

Cfd trader USD to both Michael and Jackson. Shockingly, George just has 10 USD in his record. He chooses to attempt to send 10 USD to Michael and 10 USD to Jackson simultaneously. The bank's staff notice that George is attempting to send cash that he doesn't have. They prevent the exchange from occurring.
The bank prevented George from twofold spending which is a sort of extortion. Banks burn through great many dollars to prevent twofold spending from occurring. What is Cfd trader doing about twofold spending and how do cryptographic forms of money check exchanges? Keep in mind, they don't have stuff as the bank does.

https://www.cfdtrader.org/