Thu, Jul 23 03:22 PM

Encryption in the 1790s

Hackaday•Thu, Jul 23, 2026, 02:00 PM•2 min read

For as long as humans have had writing, there’s been a need to send secret messages.

Source: [Hackaday](https://hackaday.com/2026/07/23/encryption-in-the-1790s/)

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