Bankcoin is a surveillance system. Revolut, PayPal, ETF, Robin Hood and other IOU Bitcoin representations are a surveillance system at best, total scam at worst.

Attached is a friendly table from Cryptocurrencies - Hack your way to a better life.

You can also read the chapter here: https://juraj.bednar.io/en/blog-en/2023/06/15/how-to-give-bitcoin-back-its-peer-to-peer-character-and-use-it-to-its-full-potential/