When you approach a vending machine and insert a coin, you expect to receive a can of soda or tasty snack in return. The same thing happens when you use blockchain technology to exchange cryptocurrency for any service or vice versa. It’s called, a “smart contract,” and it’s expected that this process is automatic; nothing can happens to alter it. Well, the process itself remains the same, but the terms of the agreement can be mixed up due to hacking. Disclosure: This is a Sponsored Article Thus, instead of a can of soda, you might get cookies or chips fromPowered by WPeMatico