Bitcoin Advocates Intensify Pressure on Signal to Integrate BTC Payments
A growing number of Bitcoin advocates are rallying behind a campaign urging the encrypted messaging app Signal to adopt Bitcoin payments. Among the most vocal supporters are Block CEO Jack Dorsey and renowned Bitcoin developer Peter Todd, who are pushing for the integration of Bitcoin through the Cashu protocol—a technology designed to enable private, peer-to-peer transactions.
Jack Dorsey, a longtime proponent of decentralized technologies and Bitcoin’s potential as a universal currency, recently renewed his call for Signal to embrace Bitcoin. In a post shared on X (formerly Twitter), Dorsey retweeted a message from the pseudonymous developer Cashu, the creator of the “Bitcoin for Signal” campaign, simply stating: “@Signalapp should use Bitcoin.”
The initiative proposes the use of Cashu’s Chaumian Ecash protocol, which would allow users to send and receive Bitcoin through Signal in a private and censorship-resistant manner. According to campaign organizers, this integration would align with Signal’s core mission of privacy, offering users a secure way to conduct financial transactions without compromising their anonymity.
Support from High-Profile Bitcoiners
Peter Todd, a prominent figure in the Bitcoin development community, has also thrown his support behind the campaign. Todd criticized Signal’s current payment integration, MobileCoin (MOB), calling it a centralized and impractical solution. “I’ve been wanting to try MobileCoin. But it’s such a failure I can’t even buy any. Signal App needs to accept reality and just add Bitcoin support,” he stated.
MobileCoin was introduced to Signal in April 2021 as a privacy-focused cryptocurrency, but it has faced criticism due to its reliance on a narrow set of validators, which some argue undermines its decentralization claims. This has only fueled the push from Bitcoin advocates for a more robust and widely trusted alternative.
Other key figures in the Bitcoin ecosystem, including pseudonymous developer Calle and Pavol Rusnak, co-founder of Satoshi Labs, have also voiced support for the Bitcoin for Signal campaign. Advocates argue that with Signal’s estimated 70 million active monthly users, integrating Bitcoin could significantly expand the reach and utility of decentralized digital payments.
Privacy Trade-Offs Spark Debate
Despite growing support, the proposal has not gone unchallenged. Critics argue that Bitcoin, in its current form, lacks sufficient privacy features to be effectively used within a secure messaging platform. Unlike privacy-focused coins such as Monero (XMR) or Zcash (ZEC), Bitcoin transactions are recorded on a public ledger, making them potentially traceable unless additional privacy tools are applied.
“Jack, why use a fully public blockchain for a privacy chat?” asked José Pedro Sousa, engineer at Aztec Network, highlighting concerns about the potential erosion of privacy for Signal users. Similarly, digital privacy advocacy group Techlore warned that Bitcoin integration could compromise the anonymity Signal users expect from the platform.
Proponents of the campaign counter these concerns by pointing to Cashu’s Chaumian Ecash, which adds a privacy-preserving layer to Bitcoin transactions. Still, skeptics argue that such technologies remain unproven at scale, and the burden of ensuring privacy may fall on the user, rather than being built into the system by default.
Geopolitical Context and the Fight for Digital Privacy
The renewed push to integrate Bitcoin into Signal comes amid heightened tensions around digital privacy laws in Europe. The European Union recently debated the controversial “Chat Control” legislation, which would compel encrypted messaging platforms, including Signal and WhatsApp, to scan user messages for illegal content—effectively dismantling end-to-end encryption.
Although Germany has rejected the proposal on constitutional grounds, the bill has not been permanently shelved. A new vote is expected in December, and privacy advocates warn that the battle is far from over. In this climate, the idea of combining private messaging with decentralized payments is gaining traction as a way to reinforce digital autonomy against increasing regulatory pressure.
Broader Implications for Bitcoin Adoption
Jack Dorsey has long maintained that Bitcoin’s success hinges not just on being a store of value but as a medium for daily transactions—echoing the original vision outlined by Satoshi Nakamoto. The potential integration with Signal could serve as a high-profile use case demonstrating Bitcoin’s real-world utility in secure and private communication.
If successful, this move could also set a precedent for other messaging platforms to consider similar integrations. It would elevate Bitcoin’s relevance beyond financial speculation and into everyday digital interactions, strengthening its case as a decentralized tool for both freedom of speech and financial sovereignty.
Challenges Ahead
Despite the enthusiasm, the road to integration is complex. Signal has traditionally taken a cautious approach to adding new features, especially those involving financial transactions. Security concerns, regulatory compliance, and user experience considerations would all need to be addressed before such an implementation could go live.
Moreover, the ideological clash between privacy maximalists and Bitcoin purists poses another hurdle. While both communities value decentralization and user control, their preferred technical solutions often differ. Bridging this divide will be essential to forging a successful partnership.
Viable Alternatives and Future Directions
As critics suggest, privacy-focused cryptocurrencies like Monero and Zcash may offer better built-in anonymity features than Bitcoin. However, these coins suffer from limited adoption, lack of mainstream recognition, and regulatory hurdles that make integration into large platforms more difficult.
Bitcoin, on the other hand, enjoys widespread infrastructure support, developer engagement, and brand awareness. By leveraging protocols like Cashu, developers hope to combine Bitcoin’s strengths with advanced privacy mechanisms, creating a hybrid solution that satisfies both usability and security demands.
Conclusion
The campaign to integrate Bitcoin into Signal represents a significant moment in the evolution of decentralized technologies. It reflects a growing desire among users to unify private communication with sovereign financial tools, especially in an era of increasing surveillance and regulatory pressure. Whether Signal will heed the call remains uncertain, but the debate itself underscores a broader shift toward reclaiming digital autonomy in all aspects of online life.