What does blockchain.info track?
Before any consent, blockchain.info loaded 0 tracking companies and set 2 advertising or analytics cookies.
Scanned October 2, 2026 from Germany, loading www.blockchain.com/explorer once and clicking nothing. How we scan
- Tracking companies
- 0
- Tracking cookies
- 2
- Third-party hosts
- 2
- Cookies in total
- 5
Consent banner
No known consent management platform was detected on the page.
Companies contacted before consent
2 of the 2 companies it contacted before consent were unclassified.
None.
Other third parties (content delivery, consent, functional, unclassified)
- adx.ws1 requestUnclassified
cdn.adx.ws
- snapmarkets.com1 requestUnclassified
snapmarkets.com
Cookies set before consent
The longest-lived tracking cookie it set was _ga, from Google Analytics, lasting about 13 months.
| Cookie | Purpose | Set by | Lasts |
|---|---|---|---|
| _ga | Analytics | blockchain.com | 13 months |
| _ga_TP7H63LRFF | Analytics | blockchain.com | 13 months |
| clang | Unclassified | www.blockchain.com | Session |
| tracking_id | Unclassified | api.blockchain.info | 6 months |
| __cf_bm | Functional | snapmarkets.com (third party) | Under a day |
The page also wrote 1 key to local storage, which works like a cookie but isn't sent with requests.
Understanding this page
- How to see which cookies and trackers a website loads
A hands-on walkthrough for checking what a site sets before you've clicked anything, using Chrome and Firefox's built-in tools, plus how CookieTosser automates the same check every month.
- What counts as valid cookie consent in the EU
The rules that actually govern cookie banners — the ePrivacy Directive, the GDPR consent standard, the Planet49 ruling, the strictly-necessary exemption, and what "reject" has to offer compared with "accept.
- Consent management platforms explained
What a CMP banner is actually doing behind the scenes, how the IAB's TCF standard and Google's Consent Mode v2 fit in, and why a banner being present is no guarantee that nothing loads before you answer it.