Ancient Scandinavians wrote encrypted messages in runes 1500 years ago.
Objects from Norway and Sweden, some dating from AD 500 to 700, show clear evidence of encryption using runic symbols, the alphabet later used by the Vikings.
I had no idea. Thought it was the Vikings who did it but guess I was wrong 🫣 (and I grew up in Scandinavia)
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I also didn't know, I just read an article about it. Interesting stuff.
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