George Levy - What is a blockchain oracle?

https://GeorgeLevy.com/Free presents: Smart Contracts, also known as Smart Code or Smart Property, are computer protocols that can act as a contract. A Smart Contract can handle autonomously the enforcement and fulfillment of a contract without needing a third party to oversee that the contract is executed. But how can a computer program know what is happening in the physical / "Real" world? In this lesson taken from the Blockchain Advanced Level: Uses Beyond Bitcoin - I describe what blockchain oracles are and why they are so important whenever you are dealing with smart contracts on a blockchain-based system. Get the full course at a special price for YouTube channel visitors at: https://blockchainadvancedlevel.com Sign up to receive George Levy's FREE email newsletter and a video email course on blockchain, Bitcoin and cryptocurrency ($47 Value yours free) at: https://GeorgeLevy.com/Free George Levy is an instructor at Blockchain Institute of Technology, and the author of the best selling online courses Blockchain and Bitcoin Fundamentals, Cryptocurrency Fundamentals, Bitcoin Advanced Level: Transactions and multiple other courses. Subscribe to this YouTube channel to stay up to date on new educational videos published each Thursday! Follow George Levy at the following links: https://Twitter.com/GeorgeLevy https://Facebook.com/GeorgeLevyBlockchain (Official Facebook Page) Sign up to receive FREE video lessons from George Levy's paid blockchain, Bitcoin and cryptocurrency courses at: https://GeorgeLevy.com/Free