What The WhatsApp Ticks Actually Mean (And How Encryption Works) | Systems with Sana

That WhatsApp message you sent 3 seconds ago was encrypted, fired across fibre optic cables under the ocean, hit a server in another country, and landed on your friend's phone — and nobody in the middle could read a single word.

WhatsApp handles 100 billion messages per day. In this video I explain the full journey of a WhatsApp message, what the single tick / double tick / blue tick system actually means, and how end-to-end encryption works in simple terms.

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⏱️ Timestamps:
00:00 What happens when you press send
00:06 Message gets encrypted (scrambled)
00:18 Travels to WhatsApp server
00:30 What the ticks actually mean
00:48 What if your friend is offline?
01:00 End-to-end encryption explained
01:15 Why nobody can read your messages
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#WhatsApp #EndToEndEncryption #TechExplained #HowWhatsAppWorks #MessageEncryption #TechForEveryone #CS101 #SystemsWithSana #Messaging
#Privacy

Видео What The WhatsApp Ticks Actually Mean (And How Encryption Works) | Systems with Sana канала Systems with Sana