You are 299% sure that your project is mega-cool and useful, that does not need any additional clarifications? It deserves respect, but this is absolutely not convincing for a potential investor, he must be sure on a few percents more than you are
Want to learn how to eradicate all doubts of a potential depositor - this article will definitely help you out.
https://4irelabs.com/prove-investors-your-fintech-ideaSaw the article and nice pointers there, basics.
However, it really needs tons of patience, effort, money, works, etc. to turn an
"idea" into reality. Remember that ideas will remain as ideas, even how good it is until it was executed. This is a tough challenge since investors will not just throw away money into something if they didn't see some
"sure" profit on it. That's why they are called
"investors" in the first place.
Those pointers in the article can be considered as a reference by others but in the end, people must think of their own way to show investors how worthy that "
idea" is.