Ethereum is an open-source platform using the blockchain technology that enables the development of decentralized projects on its network. Vitalik Buterin and the rest of co-founders launched Ethereum in 2015 with the primary purpose of incorporating Smart Contracts into its system. Ethereum operates using its native cryptocurrency called Ether (ETH). This cryptocurrecncy is the second-largest cryptocurrency in the world by market capitalization, second only to Bitcoin.« Back to Glossary Index
The meaning is “Initial Coin Offering”. The ICO is basically a funds raising process. In this process, the issuer sells a new token in exchange for a cryptocurrency. The process runs under the network of an existing cryptocurrency. This cryptocurrency will be the one used to get the money.