Yellen just announced they're going to regulate blockchain and roll out approved CBDC
(media.conspiracies.win)
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You can’t counterfeit bitcoins that’s not how it works.
So if I have an offline wallet on a USB thumb drive, and I make bit for bit copies of that thumb drive, what's stopping me from spending the same bitcoin multiple times?
Either a transaction is offline or it's online. If it's a totally offline transaction, there's no way for the receiver to guarantee authenticity. If it's online, it can be tracked and/or denied by a server under government control.
The blockchain. Imagine a dollar bill that’s signed by every single person that holds it, while everyone else watches. The moment you hand it to someone else, it’s signed by the new person while everyone watches.
So if you try to hand in a photocopy/duplicate to someone else, everyone will know. They saw you spend the real dollar already the real dollar contains a record that you handed it off. Everyone else has that record too.
The only way everyone watches that transaction is if the transaction is done on a public ledger. So again, what's stopping the government from taking over those centralized servers?
Re the public ledger: There's a project called Monero that is an encrypted and obfuscated public ledger, hiding addresses, amounts, IP addresses, everything.
Re the gov't "taking over those centralized servers": They can stop exchanges but they can't stop peer to peer. And crypto was made to operate with peer-to-peer software. AKA decentralized.