Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...

Smart contracts automate transactions on blockchains, cutting out middlemen and reducing fees. Decentralized finance uses smart contracts for trading, lending, and more without traditional banks.

The most innovative change brought into this ever-evolving blockchain ecosystem was the appearance of smart contracts. They form an invisible backbone behind every decentralized system and have lately ...