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Research Report No. 11 · Forensics & Money Laundering

Crypto mixers in decline — obfuscation in transition

Traditional mixers are losing market share, while cross-chain bridges, no-KYC swaps, and guarantee networks are gaining ground. What this means for crypto forensics (2022–2026).

-37 %
Mixer Activity 2024→2025 (TRM Labs)
+66 %
Cross-Chain Bridge Usage 2024→2025
154 billion $
Illegal on-chain volume 2025 (+162 % YoY)
50,1 %
Hack funds via Bridges (H1 2025)
A winding line of golden coins laid along glowing blue threads against a dark, blurred background, suggesting money flow.

Whitepaper 2026

Executive Summary

  • Classic mixers are losing importance: Tornado Cash, ChipMixer, Blender/Sinbad have been significantly pushed back since 2023 — mixer-related on-chain activity −37 % (2024→2025, TRM Labs).
  • The cause is enforcement, not declining demand: The total volume of illegal activity rose to ≥ 154 billion USD (+162 % YoY, Chainalysis).
  • Shift to faster alternatives: Cross-Chain-Bridges (+66 %), No-KYC Instant Swaps, Chinese-language Guarantee Networks (Huione) and Privacy Coins (Monero).
  • H1 2025: 50.1 % of the hack funds went through Bridges (~1.5 billion USD), only ~11 % through classic mixers (~339 million USD, Elliptic).
  • Stablecoins 84 % accounted for the identified illegal volume in 2025.
  • The focus of forensic science is shifting: from mixer output clustering to cross-chain tracing, bridge patterns and the identification of aggregation/guarantee platforms.

01 What blenders can do — and why they have been pushed aside

Mixers (tumblers) obscure the origin of crypto assets by pooling coins from different users and paying them out in newly combined amounts—thus breaking the direct on-chain link between depositor and recipient. With non-custodial protocols like Tornado Cash, this is achieved through zero-knowledge proofs, meaning no operator controls the funds.

The decline is a result of targeted prosecution and sanctions against the key services:

serviceEnforcement measuretimeResult
Tornado CashUS sanctions; co-founder Roman Storm convictedAug 2022 · Aug 2025Sanction overturned in court in March 2025 — deterrence remained in place
ChipMixerDismantling by US and German authoritiesMarch 20237 TB of data & > $46 million seized; operator convicted
Blender.io / SinbadSanctioning (Atomic, Axie, Horizon hacking fees)Nov 20232 out of 3 suspected operators arrested in Dec 2024

Chainalysis summarizes the consequence: Either criminal actors currently lack a trustworthy mixer, or they resort to less sophisticated—but harder to attack—concealment strategies. Both are true in practice.

02 The decline in blender usage in numbers

Key figurePeriodValue / Source
Decline in mixer-related activity2024 → 2025-37 % (TRM Labs)
Growth in bridge activity2024 → 2025+66 % (TRM Labs)
Share of hack money via BridgesH1 202550.1 % ~$1.5B (Elliptic)
Share of hack money via mixersH1 2025≈ 11 % ~$339M (Elliptic)
Total illegal on-chain volume2025≥ 154 billion USD · +162 % YoY (Chainalysis)
Share of stablecoins in the illegal volume202584 % (Chain Analysis)
Sales of Chinese-speaking lingerie networks2025$16.1 billion · 1,799 wallets (Chainalysis)
Cross-Chain Bridges50,1Other routes38,9Classic mixers11,0
Obfuscation channels for hacking funds (H1 2025, share in %). Cross-chain bridges have replaced classic mixers as the dominant washing path — mixers only ~11 %.

Important for context: The decline is relative, not absolutely harmless. Mixers continue to be used—primarily by actors without access to more efficient alternatives or for smaller amounts; moreover, new, smaller mixer successors are constantly emerging outside US/EU jurisdiction.

03 Alternative concealment techniques

Classic mixers have not been replaced by alternatives that are fundamentally harder to detect, but rather by faster, more liquid and more fragmented alternatives:

TechnologyHow it worksForensic relevance
Cross-Chain BridgesValue transfer between blockchains (e.g. via THORChain); high liquidity, speed, often no identity verification.Bridge transaction patterns & cross-chain tracing instead of output clustering.
No-KYC instant swapsCrypto-to-crypto exchange without identification; integral part of the Lazarus/DPRK laundry chain (e.g., eXch, discontinued in 2025).Fast replacements; focus on swap endpoints and connecting wallets.
Huione / Guarantee Networks„Laundering-as-a-Service“ via Telegram marketplaces (Cambodia); ≥ USD 4 billion processed, cumulative > USD 31 billion.Identify aggregation/guarantee platforms; displacement rather than elimination.
Privacy Coins (Monero)~87 % of criminal Privacy Coin transactions are in XMR; ransomware payments in Privacy Coins +27 % (IOCTA 2025).Delistings make access more difficult; watch THORChain-XMR-Swap (2026) as a new bridge.
Peel Chains / Wallet HoppingAutomated splitting across thousands of intermediate wallets to make cluster analysis more difficult.Pattern and time series analysis; aggregation points at the end of the chain.
Stablecoins & Modularization84 % of the illegal volume; LaaS providers each take on one step (procurement, laundering, cash-out).Cross-border stablecoin flows; issuer freeze as leverage.
84%STABLECOINSStablecoins84 %Other assets16 %
Illegal on-chain volume in 2025 by asset class. Stablecoins dominate — price stability and easy cross-border movement make them attractive.

Huione & Chinese-speaking networks. FinCEN classified Huione as a "primary money laundering concern" in May 2025; in June 2026, the DOJ seized backend infrastructure. Despite the shutdown, the surrounding ecosystem continues to grow (US$16.1 billion in revenue in 2025) — an example of displacement rather than elimination.

Privacy Coins. Monero remains dominant (~87 % of criminal privacy coin transactions, ~58 % of the market capitalization of this class). Major exchanges have delisted XMR; a native THORChain-Monero swap announced for 2026 could facilitate the bridge between transparent chains and XMR again.

Abstract dark blue network of wavy strands with a glowing orange data trail flowing through.
The trail disintegrates — but it does not disappear. Cross-chain laundry distributes data across bridges and thousands of addresses; reliable tracing still reconstructs the route.

04 Case study: Bybit hack (February 2025)

The largest crypto hack to date, worth approximately $1.5 billion and attributed to the Lazarus Group/DPRK, illustrates the new laundering logic. Traditional mixers played only a minor role in this chain.

1BridgingStolen ETH on liquid assetsChains — within hours2THORChainConversion to BTC;The chain's daily high was 394 million.USD3scatteringDistribution across thousandsIntermediate addresses4Cash-outNo-KYC swaps, DEXs, Fiatoutside regulatedjurisdiction
The four-stage laundry chain of the Bybit hack. According to Chainalysis, at least $160 million USD was converted to Bitcoin via THORChain within 48 hours and distributed across thousands of addresses.

05 Conclusion and forensic assessment

Traditional mixers have lost significant market share compared to 2021/2022—primarily due to sanctions and prosecutions against centralized platforms. They have been replaced by faster, more liquid, and more fragmented alternatives. For forensic practice, this means a shift in the focus of analysis—while the overall volume of activity under investigation is simultaneously increasing.

Classification by Financial Forensics

The focus of the analysis is shifting from mixer output clustering to... Cross-chain tracing, bridge transaction patterns and the identification of aggregation/guarantee platforms.

Speed is key. The Bybit case shows laundry in under 48 hours — track protection, bridge monitoring and off-ramp focus must take effect immediately.

Off-ramps and regulated contact points remain the lever. Where assets meet regulated exchanges or stablecoin issuers, documentable reasons and hedging opportunities arise.

More volume, not less work. The total volume of illegal activity is growing — the need for reliable, legally sound prosecution is increasing accordingly.

Source base
Forensic providersChainalysis (2026 Crypto Crime Report; Chinese-language Laundering Ecosystem; Huione; Crypto Mixers & AML) · TRM Labs (2026 CCR; Monero 2025) · Elliptic (Bridges vs. Mixer; Huione).
authoritiesFinCEN (Special Measure Huione, Oct. 2025) · US DOJ (Seizures Tornado/ChipMixer/Huione) · Europol IOCTA 2025.
Media & SecondaryCointelegraph · The Block (eXch) · The Record · sanctions.io · PBS/Security Affairs/Infosecurity · coinlaw.io (Privacy Coin estimates, subject to change).

The accuracy of individual privacy coin percentage figures varies significantly more between providers than Chainalysis/TRM/Elliptic figures and should be cited with caution. As of July 19, 2026.

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David Lüdtke

Managing Director · OSINT Analyst & Crypto Forensic Expert · Financial Forensics GmbH

Court-admissible crypto transaction analysis, OSINT-based asset investigation, and expert reports for defense attorneys, insolvency administrators, and companies. Certified Crystal Expert (CECF, CEEI, CEUI). Financial Forensics Supports law firms, companies, investigative bodies and insolvency administrators — focus areas: Blockchain forensics, wallet analysis, court-admissible documentation, OSINT.

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