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# Sinbad cryptocurrency mixer seizure

November 2023, Cryptocurrency laundering
Led by [Fiscale Inlichtingen- en Opsporingsdienst](https://takedownindex.org/organizations/fiscale-inlichtingen-en-opsporingsdienst), [Finnish National Bureau of Investigation](https://takedownindex.org/organizations/finnish-national-bureau-of-investigation), [Federal Bureau of Investigation](https://takedownindex.org/organizations/federal-bureau-of-investigation)

Extended pass entry, last reviewed August 21, 2026

What was taken down?

Mixer infrastructure and domains seized.

[See what happened](#what-happened)

What happened to the people?

No individual outcomes are recorded against this entry.
Group accounted for: Not established

[See people and accountability](#people)

Did it stay down?

Not established in the public record. No later activity is recorded against this entry.

[See what happened afterward](#afterward)

## What happened

Dutch, Finnish, and US authorities seized the infrastructure of Sinbad, a cryptocurrency mixer later described in DOJ proceedings against mixer operators as a laundering tool for criminal proceeds including funds linked to North Korea-attributed hacks.

**Date:** November 2023

**Target:** Sinbad, cryptocurrency mixer

**Activity:** Cryptocurrency laundering

**Operational lead:** FIOD, NBI, and FBI

**Jurisdiction:** Not established

**Outcome:** Mixer infrastructure and domains seized.

**Status:** Completed

**Legal mechanism:** Coordinated national judicial/search-and-seizure authority (Netherlands, Finland, US).

**Group accounted for:** Not established

## People and accountability

No individual is named against this entry in the cited record. That is a gap in what has been published rather than a finding that nobody was involved.

Group accounted for: Not established

The cited record does not say how large the group was or whether everyone involved has been identified.

[See the organizations and roles behind this action](https://takedownindex.org/takedowns/sinbad-cryptocurrency-mixer-seizure/organizations)

## What happened afterward

Not established in the public record. No later activity is recorded against this entry.

## Sources

Numbered markers throughout this entry link to the source that supports the claim beside them.

### Official sources

1.
[Sinbad cryptocurrency mixer infrastructure seized](https://takedownindex.org/sources/us-doj-dutch-and-finnish-authorities-sinbad-cryptocurrency-mixer-infrastructure-)

US DOJ / Dutch and Finnish authorities, November 27, 2023, Source grade P1

Establishes the trilateral seizure of Sinbad mixer infrastructure.

No address recorded for this source. Publisher, title, and date are given so it can be retrieved from the publisher.

Coverage note. Added from deep-research aggregation pass. Not independently re-verified source-by-source to the same standard as the original 38-incident core; source\_quality capped at S2/P2 pending a dedicated verification pass.

Research context

## How this entry was checked

This entry came from a broader aggregation pass and has not been independently verified source by source. Its sources are graded no higher than P2 or S2, and most carry no address yet. Treat the figures as a research lead rather than a settled record.

Source review: Extended pass, not yet verified

Sources cited: 1

Research cutoff: August 20, 2026

Last reviewed August 21, 2026

See also

[About the Internet Takedown Index](https://takedownindex.org/about)

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