Quoting the words here from ethereum.org, “Ethereum is a global, open-source platform for decentralized applications.” Launched in 2015, to complement bitcoin rather than competing with it, has emerged into the second most popular digital currency (Ether -ETH) only after Bitcoin (BTC), and Ethereum is the largest used blockchain around theworld. In this Ethereumlearning resource, we'll break down some terms one by one to understand more about Ethereum.
https://tutorialsdiary.com/ethereum-blockchain-training/