Initial Coin Offerings or ICOs as they are commonly abbreviated are considered to be the most practical and pioneering confluence of modern technology like the blockchain and the traditional world of crowdsourcing investments like a stock market. It has become so mainstream that you can create your ICO on Ethereum or any other blockchain for that matter. Read more at: https://www.blockchainappfactory.com/blog/how-to-launch-an-ico-on-ethereum/