lucid-fdn/research
lucid-quantum/skill/references/research/SKILL.md
Wallet fingerprinting, address clustering, and vulnerability research for target address intelligence
testing
Updated Apr 7, 2026
$ install --global
skillsauthnpx skillsauth add lucid-fdn/lucid-skills researchInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
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OWASP Dep-Check
50%
Last scanned: Apr 7, 2026, 2:13 AM18.5s2 files scanned
SKILL.md
- name:
- research
- description:
- Wallet fingerprinting, address clustering, and vulnerability research for target address intelligence
- version:
- 1.0.0
Research
Advanced intelligence features for identifying wallet software, clustering related addresses, and tracking vulnerability research.
Wallet Fingerprinting
Identify wallet software from transaction patterns. Each wallet version has distinctive behaviors:
| Feature | Weight | Values |
|---------|--------|--------|
| nLockTime | 0.30 | zero (pre-0.8), block_height (0.8+) |
| Output ordering | 0.25 | fixed (early Qt), random (modern), bip69 (Electrum) |
| tx_version | 0.20 | 1 (pre-BIP68), 2 (post-BIP68) |
| Sequence | 0.15 | ffffffff (no RBF), other (RBF-enabled) |
| Fee rate | 0.10 | < 5 sat/vB suggests early wallet (pre-fee market) |
Known Wallet Signatures
| Wallet | nLockTime | Output | Probable Modes | |--------|-----------|--------|----------------| | Bitcoin-Qt 0.1-0.3 | zero | fixed | 1 (LCG glibc), 2 (LCG MSVC), 6 (low-bits), 10 (OpenSSL) | | Bitcoin-Qt 0.3-0.7 | zero | fixed | 5 (MT19937), 1, 2 | | Bitcoin-Qt 0.8+ | block_height | random | 0 (strong random) — unlikely vulnerable | | Electrum 1.x | zero | bip69 | 5 (MT19937), 3 (SHA256-seq) | | Blockchain.info 2011-2013 | zero | random | 17 (V8 MWC1616 Randstorm), 18 (V8 XorShift128+) | | Android BitcoinJ | zero | bip69 | 12 (Java LCG) |
Procedure
- Fingerprint a target — Call
quantum_fingerprintwith Hash160 and observed tx patterns - List fingerprints — View accumulated fingerprint database
- Apply to optimization —
quantum_optimizeautomatically incorporates fingerprintprobable_modes
References
- wallet-signatures.md
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