WhatsApp isn’t really erasing the messages you send to the archive, as indicated by a security analyst.
On Apple gadgets the application stores a “scientific follow” of all visits, be them “erased, cleared, or documented”, Jonathan Zdziarski found. This implies as opposed to disappearing from the gadget as you’d expect, a hint of the chat stays in the phone. What’s more, that hint could be reproduced into its “unique structure” by somebody with access to the gadget.
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