Notes

Notes

Write-ups on the parts of my projects that were worth thinking hard about, one idea at a time.

Sep 24, 2026Catching a double-spend with no networkYou can't stop an offline device from spending the same money twice. You can make sure it signs a confession when it does.
Sep 24, 2026The Docker socket is rootWriting Cargo's threat model: admitting the control plane is host-level, and defending the boundary below it instead.