https://blog.mycoins.ge/cryptophrase/%e1%83%9b%e1%83%98%e1%83%99%e1%83%a0%e1%83%9d-%e1%83%a2%e1%83%a0%e1%83%90%e1%83%9c%e1%83%96%e1%83%90%e1%83%a5%e1%83%aa%e1%83%98%e1%83%90-micro-transaction/