Direct answer
A crypto mixer enforcement timeline can help readers understand public case context, but it must keep source dates, case status, and claim boundaries visible. Mixer Explained summarizes official releases involving Helix, Blender.io, Tornado Cash, ChipMixer, Sinbad.io, and Bitcoin Fog without recreating mechanics or drawing personal conclusions.
Timeline
| Date | Matter | Primary source | Public status cue |
|---|---|---|---|
| 2021-08-18 | Helix | DOJ | Guilty plea public release |
| 2022-05-06 | Blender.io | Treasury | Sanctions public release |
| 2022-08-08 | Tornado Cash | Treasury | Historical designation release |
| 2023-03-15 | ChipMixer | DOJ | Seizure and charges public release |
| 2023-08-23 | Tornado Cash | DOJ | Founder charges announced; allegations remain allegations |
| 2023-11-29 | Sinbad.io | Treasury | Sanctions public release |
| 2024-03-12 | Bitcoin Fog | DOJ | Conviction public release |
| 2024-11-08 | Bitcoin Fog | DOJ | Sentencing public release |
| 2024-11-15 | Helix | DOJ | Sentencing public release |
| 2025-01-10 | Blender.io / Sinbad.io | DOJ | Alleged-operator charges announced; allegations remain allegations |
| 2025-03-21 | Tornado Cash | Treasury | Economic sanctions removed in later delisting release |
| 2025-08-06 | Tornado Cash | DOJ | Identified founder conviction event announced |
| 2026-01-29 | Helix | DOJ / IRS | Legal title to tied assets reported in forfeiture update |
How to read the timeline
Each entry should be read as a source-backed public reference. A timeline does not merge different legal statuses into one category.
What it does not prove
The timeline does not decide the status of unrelated tools, users, protocols, or jurisdictions. It shows why case status and source class matter.
Review checklist
- Is the entry source-backed?
- Is status language precise?
- Are allegations and outcomes separated?
- Are mechanics omitted?
Source notes
These sources support public context and terminology. They do not turn this page into legal, financial, sanctions, or compliance advice.
- U.S. Treasury sanctions Blender.io - Historical May 6, 2022 designation context; current list status must be checked in current OFAC records.
- U.S. Treasury sanctions Tornado Cash - Historical August 8, 2022 designation context; it must be read with the later Treasury delisting release.
- U.S. Treasury: Tornado Cash Delisting - Treasury's March 21, 2025 release states that the economic sanctions against Tornado Cash were removed.
- U.S. Treasury sanctions Sinbad.io - Historical November 29, 2023 designation context; current list status requires a dated OFAC list check.
- Justice Department seizes ChipMixer - March 15, 2023 takedown and charge context; charges are allegations, not a conviction.
- DOJ charges alleged operators of Blender.io and Sinbad.io - Later criminal-charge context involving alleged operators; allegations and historical sanctions actions remain separate statuses.
- DOJ charges Tornado Cash founders - DOJ announced charges on August 23, 2023; charges are allegations unless proved in court.
- DOJ reports a Tornado Cash founder conviction event - DOJ announced the identified conviction event on August 6, 2025.
- Ohio resident pleads guilty to operating Helix - August 18, 2021 guilty-plea context; later sentencing and forfeiture are separate official events.
- Operator of Helix sentenced - November 15, 2024 sentencing context, distinct from the earlier guilty plea and later asset forfeiture.
- Government forfeits assets tied to Helix - January 2026 forfeiture context reporting legal title to more than $400 million in tied assets.
- Bitcoin Fog operator convicted - March 2024 conviction context; it must be read with the later sentencing release.
- Bitcoin Fog operator sentenced - November 8, 2024 sentencing context: 12 years and six months, separate from conviction and any later appeal or forfeiture record.