There are various methods of motivating reporters for providing honest answers, and, therefore, in this article, we will look at some techniques that were implemented in Chainlink, Augur, Bitcoin Hivemind and Amoveo blockchain systems.

Read more about it here: https://medium.com/amoveo/the-oracle-problem-how-decentralized-platforms-decide-what-happened-part-2-a0dfeefe1e16?sk=a2ae7ab73ffe8798c4ac6cc08e4fa49b