In return investors will get equity just like in real life investments
The other option because over here the funds you can get are just have to be based on the blockchain, the token, or the coins, the control etc. You need to look outside the crypto world for funds and there are several depending on the location you are and how receptive is the government over there to startups.
Over here, the attention is shifted towards raising of entrepreneurs which makes a lot of bodies and foundations set aside funds for such purpose. All you will need is to get to pitch your idea, if they found it worthy, they invest and I am sure it will be available from your end too. The process might be stressful but its worth it than going for bank loans which won't come any cheaper than the other option.