Blog
Field notes on custody, security and compliance
Practical write-ups from the engineers and compliance leads who build and run institutional custody.
Featured
Architecture · Aug 28, 2026 · 7 min
How much should really sit in a hot wallet?
A practical framework for sizing hot, warm and cold tiers based on withdrawal patterns, not guesswork.
By Nadia Rahman
Security · 5 min
What you see is what you sign: closing the display gap
Why approvers must verify transaction details on trusted hardware, and how blind signing gets exploited.
Daniel Kho · Aug 12, 2026
Compliance · 9 min
A custody checklist for your first license application
The technical controls regulators consistently ask about, grouped so your team can prepare in parallel.
Aiko Tanaka · Jul 30, 2026
Operations · 6 min
Ten lessons from running 200 key ceremonies
Small operational details that separate a clean ceremony from a very expensive mistake.
Daniel Kho · Jul 9, 2026