Now where the value is much higher and time passed it's worth to trace the coins. If scammers steal from several people then it's over time difficult not to reveal the privacy. This is because they move the coins around for obfuscation, generate change addresses and so they have to manage a lot of addresses which isn't nice.If they bring the coins together ...
I would start with looking at the alfanumeric number.
Is it in hexadecimal? If yes , is it 32 bytes long --> random number
Is it a code that begins with a 5 or L or K --> Private key
Never share any of these.
But you can calculate the Public key and the Bitcoin address from those.