The Role of Oracles in Blockchain: Are They Really Reliable?

TL;DR Oracles enable the execution of smart contracts through real-world data, but their reliability raises concerns about transaction security. Decentralized oracles use independent nodes to collect and verify data, increasing transparency and reducing the risk of manipulation. Despite their advantages in efficiency and automation, they face challenges related to implementation, costs, and... source: https://crypto-economy.com/the-role-of-oracles-in-blockchain-are-they-really-reliable/