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Bitcoin-only daily newsletter with the highest signal-to-noise ratio in the industry.

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OPSEC FEATURE ARTICLES

Rotate Every Lightning Macaroon Before Your Node Manager Leaks One

Sep 16, 2026

4 min read

Rotate Every Lightning Macaroon Before Your Node Manager Leaks One

Two node managers leaked full-control credentials this summer. Learn how to find every copy your node ever handed out, kill them all in ten minutes, and issue replacements that can only do one job.

Update Your Ledger Apps Before the Trusted Display Signs Something Else

Sep 9, 2026

4 min read

Update Your Ledger Apps Before the Trusted Display Signs Something Else

Your hardware signer is supposed to protect you from a hostile computer. A patched Ledger flaw showed how that promise can fail when the application inside the device falls out of step with its own screen.

Patch Your iPhone Before a Web Page Maps Your Bitcoin Life

Sep 2, 2026

4 min read

Patch Your iPhone Before a Web Page Maps Your Bitcoin Life

A trojanized theme for streaming sites turned ordinary browsing into an iOS spyware delivery system. Patch your phone and keep casual browsing away from Bitcoin access. If that boundary already failed, isolate the phone and rebuild access from a clean device.

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WEEKLY COMPILATIONS

Your Weekly Bitcoin Breakdown Compilation 📬

Sep 11, 2026

22 min read

Your Weekly Bitcoin Breakdown Compilation 📬

Read issue #649 of the Bitcoin-only daily newsletter with the highest signal-to-noise ratio in the industry.

Your Weekly Bitcoin Breakdown Compilation 📬

Sep 5, 2026

23 min read

Your Weekly Bitcoin Breakdown Compilation 📬

Read issue #643 of the Bitcoin-only daily newsletter with the highest signal-to-noise ratio in the industry.

Your Weekly Bitcoin Breakdown Compilation 📬

Aug 29, 2026

23 min read

Your Weekly Bitcoin Breakdown Compilation 📬

Read issue #637 of the Bitcoin-only daily newsletter with the highest signal-to-noise ratio in the industry.