The Cryosphere is a Discord server for cryonicists, founded by Max Marty in April 2020. It was originally founded for people interested in the Alcor Life Extension Foundation, but it soon became a server about cryonics in general. The current name was adopted in November 2020. As of June 14, 2022, the server has 485 members.
The Cryosphere logo was created by Joseph A. in a competition on Freelancer.com.