Who decides the result
When a bet is over, something has to declare the winner. These are the oracles the sites use as their referee — who each one is, what it is good at, and which sites trust it with your money.
UMA
LiveThe referee for yes/no questions about the real world. Anyone can challenge a call it makes, and whoever is wrong loses money for it.
Used by
- Best for
- Real-world event outcomes — elections, sports, awards, news
- Token
- UMA Holders stake to vote on disputed outcomes
- Track record
- 819K+ assertions · 99.55% undisputed (as of Jun 2026)
Chainlink
LiveFeeds live numbers into markets — crypto prices, currencies, shares, commodities. The most widely used referee in crypto.
Used by
- Best for
- Live numeric data — crypto prices, FX, stocks, commodities
- Token
- LINK Paid to node operators for every data update
- Value enabled
- $31T+ in transactions enabled (as of Jun 2026)
Pyth Network
LiveLive prices published straight by the trading firms that see them first, refreshed several times a second.
Used by
- Best for
- Live numeric data — same scope, published first-party by trading firms
- Token
- PYTH Governance + publisher / staker rewards
- Coverage
- 3,000+ feeds · 138 publishers · 114 chains (as of Jun 2026)
CF Benchmarks
LiveA price-setter regulated in the UK. Its Bitcoin reference price is what CME futures, spot ETFs and Kalshi's crypto bets settle against.
Used by
- Best for
- Regulated, audit-trail crypto reference prices that exchanges and ETFs can underwrite
- Token
- —
- Track record
- BRR settles CME crypto futures since 2016 + most US spot BTC ETFs (as of Jun 2026)