Skip to Content
Laundering & ObfuscationOverview

Laundering & Obfuscation

45 notes

How illicit funds are laundered and obfuscated, and how to break them. Includes the mixers deep-dive.

Jump to any note in this section:

Concepts

Note
Chain Hopping / Cross-Chain Bridging
DeFi Layering
Dormancy / Time-Delay Laundering
Drainer-Kit & Known-Actor Pattern Recognition
Gambling Platform Laundering
Gather-Scatter
Mixing / Tumbling (CoinJoin)
Money Mule Networks
Nested Services / Omnibus Wallets
OTC Brokering / Underground Guarantee Markets
Peel Chain
Privacy Coin Conversion
Real-World Asset Conversion
Structuring / Smurfing
Synthetic / Shell KYC Onboarding
Tornado Cash to RenBTC Cross-Chain Laundering Pattern
Wash Trading (incl. NFTs)

Principles

Note
Single Indicator Is a Lead, Not Proof

Frameworks

Note
Breaking Obfuscation: Five-Part Strategy
Deposit-to-Exit Flow by Service Type: Where Funds Re-Emerge and How to Find Them
Why Threat Actors Obfuscate: Five Motivations

Checklists

Note
Cross-Chain Obfuscation Categories
Off-Chain Behavioral Red-Flag Checklist
On-Chain Laundering Pattern Catalogue
On-Chain Obfuscation Categories

Cautions

Note
Monero Is the Practical Ceiling of On-Chain Attribution

Worked examples

Note
Case: Tornado Cash Round-Trip Resolved by Address Reuse

Reference

Note
Operational Tracing Runbook: Live Mixers Bridges and No-KYC Swaps

Mixers & Tumblers deep-dive

A dedicated subsection. Open the Mixers & Tumblers overview, or jump straight in:

Concepts

Note
Impact of Mixers on Financial Institutions and the Ecosystem
Legal and Regulatory Landscape for Mixers
Types of Mixers and Tumblers
Why People Use Mixers and Tumblers

Definitions

Note
Mixers and Tumblers

Principles

Note
Mixer Operators Are Identified Off-Chain
Mixers Make Funds Harder to Find, Not Invisible

Frameworks

Note
What Mixers Hide and How Blockchain Analysis Uncovers It

Workflows

Note
How Mixers Process Funds

Tactics

Note
Filter Mixer Withdrawals by Denomination, Not USD
Identify a zk Shielded-Pool Withdrawal On-Chain (transact + Groth16 proof + Nullified)
Mixer-Operated Peel Chain Signatures
Mixing Obfuscation Techniques

Checklists

Note
Best Practices for Institutions Handling Mixer Risk
How Blockchain Analysis Detects Mixing Activity
Mixing Activity Red Flags

Reference

Note
Custodial Mixer Feature Landscape (2025 Survey)
Last updated on