Canary
Early warning system for Bitcoin cold storage
A canary in the cold mine. When your bitcoins are in cold storage, you seldom check on them. Canary acts as an early warning system that alerts you the moment your coins move, giving you immediate notification of any activity on your wallets. Built with Rust and BDK, it provides real-time transaction intelligence with advanced pattern recognition (RBF fee bumping, CPFP acceleration) and instant multilingual notifications via ntfy.sh. Set custom balance alerts (equal, less than, or more than) to monitor your holdings. Perfect for monitoring cold storage and Bitcoin holdings you don't actively u.
Strengths
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- One-click install on common self-host platforms
- Written in Rust
Is Canary secure?
OSV.dev has no published security advisories for Canary's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.
Source: OSV.dev, checked 2026-10-14. How this is measured.
Health badge
Maintain Canary? Add its health score to your README. The badge links back to this page.
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