In short, startups need funding in the early stages of a business to grow and develop, and for many entrepreneurs, joining a fundraising organization is the best option. Many crypto services are funded through blockchain-based fundraising models. These models include ICO, IEO and IDO. Information about what is ido in crypto https://minery.io/blog/what-is-ido-in-crypto/ is on this site, click the mouse and everything will open for you.