Signal
Messaging Apps
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The technologies known for Signal, by layer.
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Java
Kotlin
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News
Automatic key verification: Signal closes an old gap
Automatic key verification lets Signal users prove they got the right key, with Cloudflare and Trail of Bits as independent auditors of the log.
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Signal Taps Cloudflare to Help Protect the Privacy of Hundreds of Millions of Users Through Key Transparency - AOL
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When Startup Culture Turns a Tattoo Into a Hiring Signal
A LemonLime founder's tattoo-party recruitment post triggered criticism because unconventional hiring can blur enthusiasm, pressure and workplace power.
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Signal adds new security feature to thwart man-in-the-middle attacks
Signal has introduced Automatic Key Verification, a new security feature that gives users a new way to ensure their encrypted chats haven
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rd-signal-2: Frontier Classification at Production Scale
A hybrid classification system that combines frontier-level judgment with the cost and speed required to run continuously in production.
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Signal Login: optional registration without a phone number will require a one-time payment
The payment requirement for registration without a phone number is intended to serve as an additional barrier against spam and abuse. The fees will also help support Signal's mission.
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You Can Now Link More Devices to a Signal Messaging Account
The company also updated the app to look better on devices with different screen sizes.
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Signal finally makes using multiple Android devices much easier
Signal now lets you link another Android phone or tablet to your account, building on its secure message sync introduced last year.
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DHS Wants Protesters' Signal Group Chats
A lawsuit accuses Homeland Security of violating protesters' free-speech rights-but the agency is using it to try to get access to the plaintiffs' encrypted communications.
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