Ethereum, according to its creators, is the world's first "programmable blockchain," allowing it to function as a virtual marketplace for applications, games, and, most significantly, financial services. All of this is based on the crypto currency Ether, which is utilized as the Ethereum network's payment mechanism. Because of its decentralized design, it is completely secure against theft or fraud. I hope I was able to provide an answer to your query, "What is Ethereum?" In any case, you can click to read to get additional information about this.