The answer is Block Reward, every cryptocurrency has preset block reward attached to it, which is awarded to the address or user verifying the block, ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.btcwires.com/round-the-block/cryptocurrency-mining-and-trading-which-is-more-profitable-in-2019/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNGZ9YtGRnWoCcHN8tEIN9mTl3QLOw
