Wallet Clustering

Overview

Wallet Clustering is an analytical technique that groups blockchain addresses believed to be controlled by the same entity or coordinated service using transaction patterns, protocol behavior, attribution, and other evidence. A cluster is an inference, not definitive proof of legal identity or ownership, and confidence varies by method and blockchain. It should be interpreted alongside Asset Tracing, which may affect the same workflow without representing the same control, event, or risk.

Incorrect clustering can falsely associate customers with illicit activity, miss address splitting, overstate exposure, and produce unfair or unsupported compliance decisions.

Organizations should use chain-specific heuristics, multiple evidence sources, confidence levels, change-address and service behavior analysis, human review, and procedures for challenge or correction.

Retain addresses, chain, heuristic or attribution source, observation period, confidence, supporting transactions, contradictory evidence, analyst decision, and downstream use.

A production treatment of Wallet Clustering should test an analytical technique that groups blockchain addresses believed to be controlled by the same entity or coordinated service using transaction patterns, protocol behavior, attribution, and other evidence within the relevant asset, decision, or service state. The Wallet Clustering context record for service using transaction patterns, protocol behavior, and attribution should preserve source data, configuration or policy version, responsible actor, exception, and outcome. Review of Wallet Clustering should determine whether safeguards addressing service using transaction patterns, protocol behavior, and attribution changed exposure in practice, not merely whether a document or setting existed.

Quality review for Wallet Clustering should sample real cases involving service using transaction patterns, protocol behavior, and attribution, compare expected and actual outcomes, and track unresolved exceptions until remediation is independently verified.