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{{Short description|British recreational mathematician (1893–1977)}} '''Leigh Mercer''' (1893–1977) was a [[British people|British]] [[wordplay]] and [[recreational mathematics]] expert.<ref>A. Ross Eckler: ...

{{Use British English|date=February 2017}} [[Category:Austrian cryptographers]] ...

...s "Zygalski sheets" ([[Zygalski sheets]]) (płachty Zygalskiego) and by the British as the "Netz method". [[Category:German cryptographers]] ...

...itish to read high-level German army messages during [[World War II]]. The British [[Government Communications Headquarters#Government Code and Cypher School ...sion systems ''"Sägefisch"'' (sawfish),{{sfn|Gannon|2007|p=103}} which led British [[cryptographer]]s to refer to encrypted German [[Wireless telegraphy|radio ...

{{Use British English|date=February 2017}} [[Category:German cryptographers]] ...

{{Use British English|date=June 2019}} ...e Organization]] stole American diplomatic codes, and codes taken from the British embassy in Rome, that enabled the breaking of the cipher,<ref name="Rat">R. ...

...tions to computational puzzles could have some value was first proposed by cryptographers [[Cynthia Dwork]] and [[Moni Naor]] in 1992.<ref>{{Citation |last=Dwork |fi ...nd both his forum posts and his comments in the bitcoin source code used [[British English]] spellings, such as "optimise" and "colour".<ref name="Wired:RFB" ...