So far, smart contracts have been used for everything from launching ICO's to selling goods on the internet. Let's look at few examples.
Reference:
BitDegree.org. 2020. What Is A Smart Contract And How Do Smart Contracts Work. [online] Available at: <https://www.bitdegree.org/crypto/tutorials/what-is-a-smart-contract> [Accessed 27 November 2020].