> Signal Foundation is a 501c3 nonprofit. We’re proud of that designation and we’re out to prove that a nonprofit can innovate and scale as well as any business driven by a profit motive.
Unsurprisingly money is still needed to pay for development and hosting costs, and Brian Acton's loan won't last forever.
This explicitly doesn't monetize Signal so this line of argument isn't particularly relevant.
There seems to be a very large amount of outstanding coin that the founders just happen to control...
The CEO of the coin itself said they they are planning on donating a lot of money to signal in the future.
Maybe like Matrix did?
Sell turn key servers for people that lack the time or interest to run their own.
Federated and ethical.
Yep, that is one option, though that doesn't seem like the route Moxie wants to take from what I've seen. He seems to think that you need a cohesive centralized platform if you want to be competitive (2016)[1].
At this point if you want federated it probably makes more sense to just use Matrix.