Engineering Notes
Technical writing from GreyBound Bitcoin Engineering & Security — for teams building production Bitcoin systems, not a marketing blog.
Engineering Notes
Most self-custody losses don’t start with a broken chain. They start with a calm screen and a green button. Three questions before Approve — or you’re signing the package, not the story.
August 11, 2026 · 8 min read
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Production hides different failures than development: irreversible payments, key recovery, node/RPC exposure, indexer lag, and untested restore paths. A practical framework for teams about to launch.
August 6, 2026 · 12 min read
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