Method and rigour
Check how they trace funds: UTXO clustering heuristics, change address identification, peel chains, EVM trace parsing, and whether they verify Chainalysis or TRM attributions against raw block data.
Evidence to listen for
- Follows and can justify an established methodology
- Understands contamination, bias, and chain of custody as they apply to the field
- Knows the limits of their techniques and says so
- Documents procedure so results are reproducible and defensible
Five-point scoring guide
Careless method; unaware of contamination, bias, or procedural integrity.
Knows procedures but applies them inconsistently; gaps in documentation.
Sound standard practice; less certain outside familiar techniques.
Rigorous and well documented; understands the limits of each method.
Names specific heuristics and their failure modes, cross-checks vendor attribution against explorers or node RPC before asserting wallet ownership.