How does Whatsapp know a message is forwarded many times if it is end-to-encrypted?
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>How does Whatsapp know a message is forwarded many times if it is end-to-encrypted?
The *content* of the message is encrypted, not its metadata. Size of the message, recipients, time of sending, etc. are still perfectly visible to **all participants of the exchange**, including telecommunications providers and platform owners in addition to sender and recipient(s).
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