Participating company report

# Chainalysis account of blockchain analysis in the Welcome to Video investigation

Chainalysis, October 16, 2019. Bitcoin tracing methodology used to identify users.

**Source type:** Participating company report

**Published:** October 16, 2019

**Research grade:** T1

**Used in entries:** 2

## Bibliographic record

**Publisher:** Chainalysis

**Published:** October 16, 2019

**Source type:** Participating company report

**Research grade:** Source grade T1

**Language:** English

**Official record:** Not an official publication

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

**What it supports:** Bitcoin tracing methodology used to identify users

**Dataset id:** src\_chainalysis\_wtv\_2019

## Research notes

- URL not re-verified in this pass.

How this source is used

Cited 2 times across 2 record types.

The role on each citation records what the source was relied on for. A primary source establishes the fact, a supporting source corroborates it, technical evidence describes the infrastructure, and a later outcome records what happened afterwards.

Sources were reviewed to a research cutoff of August 20, 2026. Addresses recorded after that date are not reflected here.

## Cited by

### Takedown records

1 citation

Cited on the takedown record itself.

-
[Welcome to Video seizure](https://takedownindex.org/takedowns/welcome-to-video-seizure)

Child sexual abuse material, March 2018

Supporting source

### Organization roles

1 citation

Cited for an organization's recorded role in a takedown.

-
[Chainalysis](https://takedownindex.org/takedowns/welcome-to-video-seizure)

Financial tracing, Welcome to Video seizure

Technical evidence

[All sources](https://takedownindex.org/sources)