there are two possibilities chosen by the FIFA World Cup 2018.
1. Cryptcurrency is needed by people who want to watch the FIFA World Cup.
2. Cryptocurrency Not needed at all by the FIFA World Cup.

when in need right maybe some people who understand with cryptocurrency and it will be up the price of Bitcoin and other Altcoins. But if not in need it will as usual run properly Bitcoin it, like the nature of its Bitcoin fluctuating