Open-source will make it possible to manipulate the system which can have devastating effects later.
Take that with a grain of salt tho, I am not a developer.
However, since you are a developer we should stay in contact. What is your name on Discord?
I was just talking to you on discord a day or two ago. I'm @kirkins.
I do agree with @valorforfreedom on not making this open-source. I use to build websites for around a year. From my personal experience and actually not just mine. Open source is like an open door for hackers.