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Adam Curry warns that Signal Trace technology allows commercial retailers to log Wi-Fi, Bluetooth, and RFID signatures. This data is combined with automated license plate readers to compile unique device fingerprints of shoppers.
Rob Duve warns that Flock Safety surveillance poles are being equipped with Signal Trace technology. This hardware scans 2.4 gigahertz radio bands to harvest Bluetooth signals, allowing the system to identify nearby passengers via their phones, watches, and fitness trackers.
Vik Sharma launched Radar, a modified Signal client fork featuring built-in Bitcoin Lightning payments. The app utilizes Signal's servers, and the Cake Wallet team makes monthly donations to Signal to support server usage.
Vik Sharma chose Signal over Telegram for Radar due to Signal's strict open-source privacy standards and existing payment rails from its MobileCoin integration. Lightning was prioritized over Monero to ensure instantaneous, on-the-go payments.
Cake Wallet's leadership team launched Radar, a consumer communication and payment app built on the Signal protocol. Backed by Ego Death Capital, the app integrates self-custodial Bitcoin payments directly into private chat interfaces.
Radar achieves compatibility with the Signal network by utilizing the open-source AGPL v3 license. The app repurposed internal payment rails originally built by Signal for MobileCoin to facilitate self-custodial Lightning and Spark transactions.
Seth for Privacy argues that the leaked Signal chats of journalist Tucker Carlson resulted from an operating system breach, not a protocol failure. OS-level spyware like Pegasus bypasses end-to-end encryption by capturing screen data directly.