Klaus Schmeh Jun 13, 2026 Venture capital firm purchases Kryptos solution The inscription on the Kryptos sculpture outside CIA headquarters in Langley, Virginia, is widely regarded as the most important cryptographic mystery of the past several decades. Read More One comment InUncategorized
Klaus Schmeh Apr 21, 2026 The Furlong postcard: A mystery that is driving me mad Of the many unsolved ciphers I have encountered over the years, this is one of the strangest. Read More No Comments InUncategorized