The best option for starting is a shareholding in the project - developing a company with like-minded people as co-founders. Potential co-owners should not just be passionate about the idea, but also have professional or financial resources.
To attract the attention of like-minded people, you can make publications about your project on thematic forums and platforms (for example, ideaswatch.com, angel.co, startuppoint.ru). Even if potential partners do not respond, you will receive feedback and advice on further development.
It is difficult to find such sponsors because everyone is afraid bitcoin data to invest in a dud and lose their money. In addition to a decent presentation of the idea, it is important to give partners certain guarantees. Offer to enter into an official partnership, pay a minimum monthly or quarterly deduction (analogous to a salary) to increase loyalty to your activities and reduce risks for like-minded people.
At an early stage, it is worth distributing shares in the company very carefully. If you go overboard and give too large a percentage to small sponsors, a promising startup risks becoming completely unattractive to experienced investors.