At the time, Wired noted that while it “may feel like the last thing the world needs is yet another cryptocurrency” — there are now more than 4,000 of them in digital circulation —  Marlinspike’s track record with Signal “makes this a project worth watching.”

https://techcrunch.com/2021/03/09/mobilecoin-a-cryptocurrency-involving-signal-founder-moxie-marlinspike-just-raised-venture-funding/