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How are messages encrypted? [🎞️ veritasium_daily]

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Massimo

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20,428 次观看 • 3 个月前 •via X (Twitter)

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Here's how to send off-grid, encrypted text messages from an old, junk cell phone, without cell service, WiFi, or satellite.
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Did you know that #WhatsApp shares its metadata with Meta? While your messages are encrypted, #Meta knows your location, who you’re communicating with, at what time, how often, and from which device. Find our list of #privacy-first alternatives here 👉
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🇺🇸 Emergency Action Messages (EAM), the kind tied to U.S nuclear command systems, are still CRAZY HIGH 🤯 At around 80 EAMs in 24 hours, this volume is over 400% HIGHER than the usual range of 15–20 messages per day. EAMs are pre-formatted, encrypted, phonetically spoken radio messages that are a core part of the U.S nuclear command-and-control system. Should we be worried? Source: NEET INTEL
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🇷🇺Russian Navy’s RDL broadcast daily sends dozens of encrypted messages to surface and submerged strategic assets. The highest priority messages are denoted by the FSK-modulated Morse XXX XXX that is sent at the beginning of the message. Received in 🇮🇹Milan April05 04:45UTC
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