The Friedman Ring is a series of cryptographic challenges named for William and Elizebeth Friedman. It works according to a simple principle: The first person to solve the current crypto puzzle creates the next one.
The first challenge: Frank Schwellinger
The challenge that was later declared the first one in the Friedman Ring series was created by Frank Schwelliinger.
April 2021 – July 2021: Anna Salpingidis and Christoph Tenzer
Anna Salpingidis and Christoph Tenzer solved Frank’s challenge and so became the first bearers of the Friedman Ring.
Anna created the next challenge:
July 2021 – August 2021: Armin Krauß
Armin Krauß solved Anna’s challenge and became the second bearer of the Friedman Ring.
Armin created the next challenge:
August 2021 – October 2021: Christoph Tenzer
Christoph Tenzer solved Armin’s challenge and became the third bearer of the Friedman Ring.
Christoph created the next challenge:
The cryptogram is also available as an image:
October 2021 – February 2022: George Lasry
George Lasry solved Christoph’s challenge and became the fourth bearer of the Friedman Ring.
George created the next challenge:
February 2022 – now: Norbert Biermann
Norbert Biermann solved George’s challenge and became the fifth bearer of the Friedman Ring.
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