@jackleszz on another forum they ask me, why in yours wallet is a bitcoin mining file?

The wallet can not be used for mining
BTC?
It is based on Bitcoin. It has the code built in to in theory allow PoW mining if generate=1 is passed as a commandline argument, but its not usable as such. They can check the source code at
https://github.com/BITC2/bitcoin2The Bitcoin snapshot was created into the blockchain with early PoW blocks, but the consensus rules prevent PoW from then on.