What Is an Example of a Real-World Event That Requires a Decentralized Oracle for a Financial Contract?
A classic example is a prediction market or a binary options contract based on the outcome of a political election, like the US Presidential race. The smart contract needs an objective, tamper-proof source to determine the official winner for settlement.
A decentralized oracle network would source and validate the election result from multiple reputable news agencies and official sources before reporting the final, consensus-reached outcome to the blockchain.