# Oracle Network **Domain:** Blockchain infrastructure **Doc Type:** Developed Wiki Node **Maturity:** Developed **Collection:** [[collections/Gamification|Gamification Collection]] ## Definition An **oracle network** supplies blockchain applications with external data or computation that the underlying ledger cannot verify natively. ## Significance In tournaments and event contracts, oracle design determines how an off-chain result becomes authoritative on-chain state. ## Sources - [[articles/gamification/Lex Sportiva and Winning Without Bloodshed|Lex Sportiva and Winning Without Bloodshed]] - [[articles/gamification/The X Ledger|The X Ledger]] - [Primary or institutional source](https://chain.link/education/blockchain-oracles) ## Routes [[wiki/Chainlink|Chainlink]] · [[wiki/Event Contract|Event Contract]] · [[wiki/Adjudication|Adjudication]] · [[articles/gamification/Lex Sportiva and Winning Without Bloodshed|Lex Sportiva and Winning Without Bloodshed]]