Well... Back in 2012 when I was a teenager I had this website that for some reason got a lot of traffic.. ever since then I have been thinking how can I make money online. and i took out.. i used the coinurl platform as an ad-campaign platform in exchange for btc, btc was then 20$ i know.. crazy.. so far so good until i decided to format my computer and unfortunately i didn't keep the .dat file (as a wallet backup) from the Bitcoin Core program. until today I thought that I had just lost that wallet and that I was simply not meant to get a share of the pie.. a few days ago I found a txt file with "btc private key: 2fs....." until now I have not been able to open that old wallet... I read various articles on how to unlock the wallet and pretty much all of them said that I need to know also the wallet address along with the private key. So since I don't have the address I started looking for how to find it.. I found bits of code in phyton but still haven't succeeded. The key should probably be 64 characters (256 bits) but it's 32 and it's HEX encoded, I'm at a dead end. Please help.
If someone find how to unlock my old wallet I will share with him the 20% of the wallet. (That can be 2-6 btc.)