

"It's that adding a cryptocurrency to an end-to-end encrypted app muddies the morality of the product, and invites all sorts of government investigative and regulatory meddling: by the IRS, the SEC, FinCEN, and probably the FBI," he added. It's not even that Signal is choosing to tie itself to a specific blockchain currency," wrote Mr Schneier. It's not just that blockchain is just plain stupid. "It’s not just the bloating of what was a clean secure communications app. The move was described as "an incredibly bad idea" by fellow cryptographer and computer security expert Bruce Schneier. "I would like to get to a world where not only can you feel that when you talk to your therapist over Signal, but also when you pay your therapist for the session over Signal," Mr Marlinspike told Wired magazine.

At the time he mentioned his plans to support cryptocurrency transactions in Signal it was described as an attempt to extend the messaging privacy features into financial privacy.
