Signal is a still a great piece of software. Just do one thing and do it well, be the trusted de facto platform for private messaging that empowers dissidents, journalists and grandma all to communicate freely with the same guarantees of privacy. Don’t become a dodgy money transmitter business. This is not the way.
Like many others, I was disappointed to hear that Signal is going down the cryptocurrency rabbit-hole.
This blog post from Stephen Diehl covers the problems with this move pretty well.