The downloads of Bridgefy's Bluetooth-based messaging app, which uses a peer-to-peer mesh broadcasting network, have spiked amid protests in Hong Kong
John Koetsier is a journalist, analyst, author, and speaker. — How do you communicate when the government censors the internet?
Context & Ripple Effects
When Hong Kong's protests hit in 2019, Bridgefy became the default answer to a censored internet: a Bluetooth mesh that routes messages phone-to-phone without any network to shut down. The download spike Forbes reported was the moment the 'protest app' category got its template.
What came after defines the arc: researchers later detailed unfixed flaws that could let attackers deanonymize Bridgefy users, pushing the company to ship end-to-end encrypted messaging in late 2020. The pattern then repeated at larger scale — Jack Dorsey's Bitchat saw a 48K+ download spike in Nepal during 2025 protests before Apple pulled it from China's App Store at the CAC's request.
First-order effects
- Protesters in Hong Kong immediately gain a messaging channel that works with mobile networks throttled or monitored, since Bridgefy needs no internet connection — only nearby phones running the app.
- Bridgefy converts a niche peer-to-peer product into global attention overnight, with Hong Kong driving its user growth and its identity as a self-described protest tool.
Second-order effects
- Surge-scale adoption invites adversarial scrutiny: security researchers probe the app precisely because protesters' lives depend on it, exposing the plaintext-relay weaknesses that forced Bridgefy's later encryption overhaul.
- The playbook proves replicable enough that well-funded entrants copy it — Bitchat launches as a Bluetooth-mesh messenger aimed at the same censorship-resistance use case, validating demand but also inviting state countermeasures like app-store takedowns.
Third-order effects
- Mesh messengers settle into a recurring cycle: protest-driven download spikes, researcher disclosure of security gaps, encryption fixes, and state pressure on distribution channels — making app stores, not the protocols, the choke point governments actually control.
- Censorship-resistant communication shifts from a one-off workaround to an expected feature of civil unrest worldwide, with each new protest (Hong Kong, Nepal) seeding the next generation of tools and each takedown teaching developers to design around platform gatekeepers.
The trend: Bluetooth mesh messaging is hardening into a standard protest tool, evolving from Bridgefy's unencrypted relays toward encrypted, decentralized apps while states push back through app-store removals rather than network shutdowns alone.