I believe that there should be a product first. One idea is not enough today. It hurts a lot of scams that play on the trust of investors. It is worth a careful approach to investing in cryptocurrency. Because not many coins in the future will be popular. I am sure that in 2019 and 2020 some of the coins will simply disappear. I hope that your project will not belong to this number.
You are not right. Launching a product and then raising funds for it under ICO is an erroneous way. A good idea should come first. Under the idea of creating a business case. Next comes the legal design of the project and after that you can go to the ICO.
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There is another option. Develop a product with your own funds and after creating an MPV attract investment from venture funds. In this case, do not have to hold ICO
