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12/07/2026 12:18 pm
TL;DR: IRS-CI says it identified more than $10 billion in financial crime, executed over 1,400 warrants, and seized hundreds of millions of dollars in assets last year, while also stressing that cryptocurrency cases increasingly intersect with AI-enabled analysis and global partnerships, according to Chainalysis. The governance lesson is that financial crime now depends on identity, custody, and traceability controls as much as on traditional investigative reach.
NHIMG editorial — based on content published by Chainalysis: Public Key Episode 176, Breaking Blockchain, Real-Life Stories from the War on Drugs and Darknets
By the numbers:
- In the last year alone, IRS-CI identified more than $10 billion in financial crime and executed over 1,400 warrants.
Questions worth separating out
Q: What breaks when crypto asset control is not tied to a verified identity or custody record?
A: Investigations stall when teams can see wallet movement but cannot prove who controlled the private key or account at the critical moment.
Q: Why do AI chat tools create risk for identity and access teams?
A: They create risk because users may rely on plausible but unverified output when making identity, access, or security decisions.
Q: How do security teams know whether crypto monitoring is actually helping investigations?
A: Look for whether analysts can trace funds from transaction data to a defensible control owner, not just whether they can see the chain.
Practitioner guidance
- Map private-key custody to privileged access Document which people, systems, and emergency processes can move funds or export keys.
- Treat seizure and recovery workflows as revocation events Build procedures that prove the original holder cannot regain access after intervention, including device handling, exchange coordination, and post-seizure validation of all remaining recovery paths.
- Add identity evidence to crypto monitoring Pair wallet analytics with device, account, and operator attribution so investigations can move from transaction tracing to defensible control mapping.
What's in the full article
Chainalysis's full podcast preview covers the operational detail this post intentionally leaves for the source:
- Episode discussion of IRS-CI’s working methods around cryptocurrency tracing and case progression
- Direct commentary from Trevor McAleenan on seizures, training, and investigation planning
- Additional references to major crypto cases, including Silk Road and Bitfinex-linked enforcement work
- Broader discussion of AI's role in investigative efficiency and future crimefighting
👉 Read Chainalysis’s preview of IRS-CI’s cryptocurrency investigations and annual report →
Crypto investigations, seizures and AI: what IRS-CI shows teams?
Explore further
12/07/2026 12:32 pm
Blockchain crime is now an identity and custody problem as much as a financial one. The article shows that investigators do not just follow money, they establish who had control of keys, devices, and exchange accounts. That makes access governance, evidence integrity, and privilege boundaries core to enforcement outcomes. For practitioners, the lesson is that crypto risk cannot be managed with transaction monitoring alone; custody governance matters too.
A question worth separating out:
Q: Who is accountable when seized digital assets are moved without authorisation?
A: Accountability usually sits with the organisation that granted custody authority and failed to scope it tightly enough. Where law enforcement, exchanges, or custodians hold high-value assets, policy must define who can access, who can transfer, and who reviews every movement.
👉 Read our full editorial: IRS-CI’s crypto investigations show how blockchain crime is unwound
