Before 2017 some Bitcoin wallets where reusing public keys. This may be convenient if say you wanted to receive donations and then track them all by having everyone donate to the same address.
Nowadays pretty much all wallets generate a new receive address for every transaction. This means you need the private key to keep track of the wallets full balance as well as all in and outgoing transactions. Making it incredible hard to track...
People who get caught because of "tracing" has sent directly to a KYC verified exchange service, all exchange wallets are known and so the police only has to ask the exchange for who received the money which they as a financial institution has to reveal. Bitcoin itself is pretty much untraceable if used correctly. But if you need even better privacy, Monero is the real deal.
Before 2017 some Bitcoin wallets where reusing public keys. This may be convenient if say you wanted to receive donations and then track them all by having everyone donate to the same address.
Nowadays pretty much all wallets generate a new receive address for every transaction. This means you need the private key to keep track of the wallets full balance as well as all in and outgoing transactions. Making it incredible hard to track...
People who get caught because of "tracing" has sent directly to a KYC verified exchange service, all exchange wallets are known and so the police only has to ask the exchange for who received the money which they as a financial institution has to reveal. Bitcoin itself is pretty much untraceable if used correctly. But if you need even better privacy, Monero is the real deal.