Jack Dorsey Backs Push for Bitcoin Payments in Signal

Written by Aaron S.,

Editor-In-Chief

Last Updated: October 17, 2025

Key Takeaways

Bitcoin supporters are urging Signal to add BTC payments using the Cashu protocol for private transactions inside the app;
Jack Dorsey endorsed the "Bitcoin for Signal" campaign, which promotes using Chaumian ecash for secure and private Bitcoin transfers;
Critics argue Signal's current crypto option, MobileCoin, is too centralized, while others push for Bitcoin as a better alternative.

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Several Bitcoin advocates are asking Signal, the private messaging app, to allow payments using Bitcoin BTC $107,249.05 .

A group calling itself "Bitcoin for Signal" is encouraging the app's developers to consider a new method that uses the Cashu protocol.

This tool would make it possible for users to send and receive Bitcoin while chatting, without giving up their privacy.

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The idea has gained attention after Jack Dorsey, the founder of Square and a Bitcoin supporter, reposted a message on X from the anonymous developer @CashuBTC and stated, "Signal should use Bitcoin".

The campaign is based on "Chaumian ecash", which works with the Cashu protocol to help keep transactions private. According to supporters, this system can help Signal offer Bitcoin payments while staying true to its focus on user privacy.

Peter Todd, a Bitcoin contributor, criticized Signal's current crypto option, MobileCoin. He said in a post on X:

Signal App needs to accept reality and just add Bitcoin support.

Signal introduced MobileCoin in 2021. While it was meant to offer fast and private payments, some users and developers argue that it relies on too few validators, which makes it less secure or open than expected.

The campaign has also received support from other developers, including Calle and Pavol Rusnak, a co-founder of Satoshi Labs.

Recently, Dorsey called for a change in how small Bitcoin payments are taxed. What did he suggest? Read the full story.