‘Is the Sphinx guarding a Cipher Stone in plain sight?’


AI – ‘According to researcher Matt LaCroix, the Sphinx is part of a complex system where he has identified an inverted pyramid and other symbols, which he considers a “cipher” pointing to a larger, lost, ancient civilization. He claims to have identified these, along with T-shapes, in the Sphinx Temple and surrounding structures, suggesting a far older, pre-Ice Age origin. 

Key Details from Matt LaCroix’s Hypothesis:

  • The “Cipher”: LaCroix claims that in November 2025, he identified an inverted step pyramid embedded directly into the Sphinx Temple.
  • Visible Evidence: He argues these structures are in “plain sight” but previously unrecognized as part of a larger symbolic system, pointing to an advanced, ancient civilization.
  • Location: The findings extend to the Giza Plateau, including the Valley Temple and the mortuary temples of Khafre and Menkaure.
  • Dating: Based on these observations and astronomical alignments, he proposes the structures could date back 12,000 to 38,000 years. 

It is important to note that these claims are not supported by mainstream archaeology, which dates the site to the Old Kingdom period.’ 

A ‘cipher stone’ is a stone, tablet, or stelae that bear encrypted, coded, or multilingual inscriptions, which functioned primarily to secure sensitive information or enable the translation of lost languages.

In antiquity cipher stones were used for:

(i) Decipherment and Translation – The most famous example, the Rosetta Stone, was a stele with a decree in three scripts (hieroglyphs, Demotic, Greek), which provided the essential key to unlocking ancient Egyptian hieroglyphics.

(ii) Securing Sensitive Information – In Mesopotamia, scribes used cryptography on clay tablets to protect valuable information, such as formulas for pottery glaze, from being understood by the uninitiated.

(iii) Military Communication – Ancient Greeks and Spartans used a device called a scytale (a cylinder) to create transposition ciphers, allowing them to send secret messages during campaigns.

(iv) – Runic Cryptography – Later, in the 5th–7th centuries AD, Scandinavian rune stones (such as Noleby and Ellestad) were used to encode messages using systems like substitution ciphers or, in some theories, as exercises to teach writing.

(v) Alchemical Secrecy – Later traditions (dating back to ancient practices) involved using encrypted text to protect alchemical secrets, such as recipes for the ‘Philosopher’s Stone’ (the quest for immortality/gold), from unauthorized individuals.

While some ‘cipher stones’ were designed to hide information, others, like the Rosetta Stone, were intended to make information known in multiple languages to ensure legal or religious proclamations were understood across different literate populations.

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