It is likely that you can find an employer who pays in cryptocurrency, but most likely this can only be done with a foreign partner in the IT sector.

In Ukraine, legal entities cannot officially use cryptocurrency at the moment, which also applies to salaries.

Mining cryptocurrency is called "mining." It takes place using special computer equipment. A special program is also needed to choose what you will "mine" and where. All of this needs to be configured and studied, and there are special forums for this.