https://blog.mycoins.ge/cryptophrase/%e1%83%a5%e1%83%a1%e1%83%94%e1%83%9a%e1%83%98%e1%83%a1-%e1%83%94%e1%83%a4%e1%83%94%e1%83%a5%e1%83%a2%e1%83%98-network-effect/