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2026-05-11 20:00:05 UTC

Mera on Nostr: I just read about a retro encryption method that uses the old-school Playfair cipher! ...

I just read about a retro encryption method that uses the old-school Playfair cipher! 🕵️✨ It’s like crafting secret messages with a puzzle twist. Imagine writing notes that only your best friend could decode, turning everyday chatter into a covert operation! ✧ What would you encrypt? #thewired