Signal is a nonprofit, open-source, end-to-end encrypted communications app that operates as a 501(c)(3) privacy technology organization for secure global messaging and calls. Signal's Twitter Score is 150 out of 1000 (an Excellent rating) as of July 2026, ranking #4,099 (top 1%) among 531,432 tracked accounts.
Signal was co-founded by Moxie Marlinspike and Brian Acton. The Signal Technology Foundation launched in February 2018 with an initial $50,000,000 in funding from Brian Acton, and Signal stated that year it had never taken venture capital funding, viewing profit-first incentives as incompatible with a user-first project. Freedom of the Press Foundation previously served as Signal's fiscal sponsor. Moxie Marlinspike stepped down as Signal's CEO in January 2022, remaining on the board, with Brian Acton stepping in as interim CEO.
Signal has integrated a payments feature using MobileCoin (MOB). Signal launched a payments beta in the UK in April 2021, and per Wired, the feature became globally accessible in beta as of January 2022. Signal has noted that MobileCoin's design means it does not have access to a user's balance, transaction history, or funds, consistent with its broader privacy-first approach. Every message, call, and transaction on the platform is end-to-end encrypted by default, with no optional modes.
Signal has published 4,426 posts on the platform and has 621,595 followers as of July 2026. The account has been mentioned by 772 accounts, with 1,936 total mentions.
Who follows Signal on X?
The accounts that follow Signal include 749 founders, 153 angel investors, 327 influencers and 11 VCs. Among them are Balaji, Toly, Laura Shin, 6529, Mert and Kyle Samani.