『The Yam's Secret Cipher: Mongol Postal Cryptography』のカバーアート

The Yam's Secret Cipher: Mongol Postal Cryptography

The Yam's Secret Cipher: Mongol Postal Cryptography

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Episode 83 of The Secret Communication Network of the Mongol Empire shifts focus from the Yam's physical infrastructure to its invisible layer: cryptography. Lucas and Luna explore how the Mongols used simple ciphers, tamgha seals, and the Phagspa script to secure sensitive messages on the postal relay. They discuss the specific cipher attributed to the Persian scholar Jamal al-Din, the role of the bitikchi (scribe) in encoding and decoding, and how Kublai Khan's Yuan dynasty integrated cryptographic practices from Chinese, Persian, and Uyghur traditions. The episode draws on the Yuan shi, Rashid al-Din's Jami' al-tawarikh, and Marco Polo's accounts to reconstruct a plausible system, including the use of broken paiza as authentication tokens. Listeners will learn about the delicate balance between speed and security on the Yam, and how the Mongols' pragmatic approach to communication foreshadowed modern intelligence practices. #Yam #MongolCryptography #JamalAldin #Phagspa #Tamgha #Bitikchi #Paiza #YuanShi #KublaiKhan #RashidAlDin #MarcoPolo #SteppeCommunication #YuanDynasty #CentralAsia #History #FexingoHistory #MongolEmpire #Cipher Keep every episode free: buymeacoffee.com/fexingo
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