Historical clue formulations

• Make secret, in a way — 2026-04-25
• Make hard to read, in a way — 2025-11-13
• Make hard to read — 2025-03-18
• Make cryptic — 2023-07-19
• What genes do, biologically — 2021-09-24
• Make hard to read, in a way — 2021-06-16
• Act as a blueprint for, as DNA for proteins — 2021-04-25
• Make tough to make out — 2016-12-24
• Make secret — 2016-03-27
• Purposely obfuscate, in a way — 2013-09-17
• Put in a secret language — 2012-07-02
• Obfuscate, in a way — 2011-09-21
• Make secret — 2010-05-09
• Protect, in a way — 2010-02-27
• Turn "this" into "_ .... .. ...," e.g. — 2009-06-10
• Secure, in a way — 2009-05-15
• Make unreadable, for security — 2005-03-01
• Hide, in a way — 2002-12-22
• Make cryptic — 2002-12-17
• Make hard to read — 1999-12-12
• Make secret — 1997-12-06
• Convert secretly — 1996-07-07
• Keep secret, in a way — 1996-07-03
• Make secret — 1996-03-07
• Write, as computer programs — 1995-08-06
• Convert a message — 1994-12-29