Scammers will use all sorts of currency to do their dirty work, Bitcoin is actually more traceable than hard Cash because every transaction is recorded on the Blockchain because that is what the blockchain, is a ledger where transactions are recorded lol, which makes it more transparent to use than FIAT ever was. We have had criminals and scammers using FIAT for centuries, so Bitcoin is much safer to use, but you need to be more aware of how to look after your wallets and also to not go to dodgy sites to so-called invest when they promise you shining lights, Lambos and fast money. If you look after your Bitcoin well, you won't get scammed so easily. Many now Bitcoin using criminals get caught because their transactions on the blockchain can be traced back to their nasty little wallets. We can nab then now easier than those who hoard and launder cash around.
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Absolutely agree.
It's better than that.
It only works if the cryptography on elliptical curves is reliable. If the elliptical curves used in the blockchain have no weak points.
But there is a danger that nobody understands, but the consequences of which are observed by very attentive people.
If you are interested in details, take a look at the subject:
https://bitcointalksearch.org/topic/how-long-will-existing-encryption-last-5209297.