KeyCustody — Field notesField notes on physical key custody, accountability, and building a record you can trust.https://keycustody.io/en-usKey control software: what it is, and how to choose onehttps://keycustody.io/blog/key-control-software/https://keycustody.io/blog/key-control-software/Key control software tracks who holds every physical key, code, and combination — and proves it. Here's what the category does and what to look for when you evaluate a system.Wed, 08 Jul 2026 00:00:00 GMTGuideThe KeyCustody teamWhy a key log has to be append-onlyhttps://keycustody.io/blog/why-append-only/https://keycustody.io/blog/why-append-only/A custody record you can edit is a custody record no one can trust. Here's why KeyCustody never lets you rewrite history.Wed, 08 Jul 2026 00:00:00 GMTPrinciplesThe KeyCustody teamKeys aren't passwords — stop managing them like onehttps://keycustody.io/blog/keys-are-not-passwords/https://keycustody.io/blog/keys-are-not-passwords/Physical keys, codes, and combinations behave nothing like digital secrets. The tools that manage them shouldn't pretend otherwise.Fri, 03 Jul 2026 00:00:00 GMTPerspectiveThe KeyCustody teamThe key log, upgraded: from spreadsheet to system of recordhttps://keycustody.io/blog/from-key-log-to-system-of-record/https://keycustody.io/blog/from-key-log-to-system-of-record/A key log on a clipboard or spreadsheet can hold your keys, but it can't prove who had them. Here's what an append-only system of record adds — and the questions it lets you finally answer.Wed, 01 Jul 2026 00:00:00 GMTPerspectiveThe KeyCustody teamHow to write a key control policy that holds uphttps://keycustody.io/blog/key-control-policy/https://keycustody.io/blog/key-control-policy/A practical key control policy sets who can issue keys, how handoffs are logged, when codes rotate, and how access ends. Here's a template you can adapt.Wed, 24 Jun 2026 00:00:00 GMTPlaybookThe KeyCustody team