DAICO is an innovative fundraising model (suggested by the founder of Ethereum, Vitalik Buterin) that merges some of the benefits of Decentralized Autonomous Organizations (DAOs), aimed at upgrading and making the initial ICO concept more transparent and secure. The Abyss Token Sale is an advanced and improved DAICO model, allowing contributors to control the withdrawal of the funds, also providing an option to shut the project down and refund the contributed money in case the team fails to implement it, with Oracles (appointed industry leaders) acting as arbitrators. Read more here.