- Organisation
- Luke Childs
- Evidence role
- Secondary analysis
- Published
- 2026-08-09
- Source changes
- 0
- Detected differences
- 0
- Unreviewed
- 0
- Copies held
- 1
Luke Childs publishes a writeup on Anzen, a wallet design presented as a response to Bitcoin's self-custody trilemma in the wake of the COLDCARD incident. Held as a dated product launch and design argument from the author. The claims about the design and its properties are the author's own and are not verified here.
Every check is recorded, including checks that found no text change. A detected edit is therefore bounded between two checks. The publisher's exact save time is not observable from this record. Last checked .
This post is held twice: here, with this project's own note on why it matters, and again as part of the conversation captured at , which is polled for changes. Both copies are the same post; neither is a separate event.
Snapshot and diff bodies for this chain monitor are held in the local evidence archive but withheld from the public site because they can contain the addresses of people who published nothing themselves. Capture times and reviewed change summaries remain available below.
Held captures
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What changed from the previous capture 0 lines
Extracted text as captured
‹ lu.ke Thoughts Solving Bitcoin’s Self-Custody Trilemma 7th August 2026 · Comments on X Last week, attackers started draining Coldcard wallets. A firmware bug made its random number generator predictable, so attackers could recreate seeds without ever touching a device. Losses are past $130 million and still climbing. My seed was originally generated on a vulnerable Coldcard. The only reason I didn’t lose my life savings is that, years ago when I set it up, I refused to trust its random number generator. I generated 256 bits of entropy on my MacBook, flipped a coin 256 times, and mixed all of it into the Coldcard’s own entropy on the device. Beforehand I did a test run, rewriting the Coldcard’s seed-derivation logic from scratch to verify my additional entropy sources would be combined correctly. Message to a friend when creating my Coldcard seed 5 years ago It is absolutely ridiculous that this is the level of paranoid schizophrenia required to not lose your life savings. Nobody should have to do this. The immediate cause was a bug. The real cause is that our industry’s standard advice puts people’s entire savings behind a single device, and just hopes that its hardware, firmware, supply chain, and random number generator are all flawless, forever. Everyone is now asking how we stop this from happening again. To answer that, you have to understand why every current option is broken. Bitcoin’s self-custody trilemma Today, you only get to pick two. There’s not a single self-custody solution on the market that delivers all three. Let’s walk through the options. Singlesig (hot wallet or single hardware wallet) is trustless and easy to use. One device, tap to spend. But it’s also a massive single point of failure. One bug, one theft, or one bad backup away from total loss. Almost every Coldcard victim last week was on this edge of the triangle. And lost their life savings because of it.Excerpt only. The complete copy is held offline and backs quotations on this site. The original publication remains the canonical public source.
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