- Reputation Systems – Examine vendor ratings, vouching mechanisms, and forum discussions.
- Market Longevity – Older markets (e.g., “Silk Road 2.0”) have more stable user bases; newer markets may offer unique data but higher volatility.
- Product Availability – Choose a market where the target item is listed reliably.
- Legal Exposure – Prefer markets that do not require disclosure of personal identification for purchase (most do not).
Document the selection criteria and keep a record of the market’s URL (onion address) and date of access.