BlockOdds is an betting site build on Ethereum instead of placing bets on pre-determined lines against the house, BlockOdds allows users to create their own bets with custom spreads, and have other users counter bet them. Its an interesting way to bet, although it might be strange to anyone who is accustomed to traditional betting sites.

The hardest part is setting up MetaMask, then the rest is deceptively simple. If you already have a MetaMask account skip to the end