Cookie Policy
This Cookie Policy explains how BlockViz uses cookies and similar tracking technologies when you visit our website at blockviz.xyz.
Last updated: January 2026
1. What Are Cookies?
Cookies are small text files stored on your device when you visit a website. They help websites remember your preferences, understand how you use the site, and enable certain features.
2. Types of Cookies We Use
2.1 Essential Cookies
These cookies are required for BlockViz to function properly. They cannot be disabled.
| Cookie | Purpose | Duration |
|---|---|---|
next-auth.session-token | Maintains your login session | Session / 30 days |
next-auth.csrf-token | Security token to prevent cross-site request forgery | Session |
next-auth.callback-url | Stores redirect URL after authentication | Session |
bv_settings | Stores your BlockViz preferences (theme, fiat currency, etc.) | 1 year |
2.2 Analytics Cookies
These cookies help us understand how visitors use BlockViz so we can improve our services.
| Provider | Purpose | Duration |
|---|---|---|
| Google Analytics | Tracks page views, user journeys, and aggregate usage statistics | Up to 2 years |
| Microsoft Clarity | Records anonymized session replays and heatmaps to understand user behavior | Up to 1 year |
| Vercel Analytics | Measures page load performance and visit counts | Session |
Analytics data is aggregated and does not directly identify you. We exclude admin and owner accounts from analytics tracking.
2.3 Marketing & Affiliate Cookies
These cookies help us track referrals and manage our rewards program.
| Provider | Purpose | Duration |
|---|---|---|
| Affonso | Tracks referral links for our BlockViz Rewards affiliate program. If you sign up via a referral link, this cookie attributes the referral. | 30 days |
2.4 Third-Party Service Cookies
| Provider | Purpose |
|---|---|
| Tawk.to | Powers our live chat widget. May set cookies to maintain chat sessions. |
| Stripe | Used during checkout for fraud prevention and payment processing. |
3. Managing Cookies
You can control cookies through:
3.1 Browser Settings
Most browsers allow you to block or delete cookies. Instructions vary by browser:
Note: Disabling essential cookies may prevent BlockViz from functioning correctly (e.g., you won't be able to stay logged in).
3.2 Opt-Out Links
4. Do Not Track
Some browsers support a "Do Not Track" (DNT) signal. BlockViz does not currently respond to DNT signals, as there is no industry standard for how to interpret them.
5. Updates to This Policy
We may update this Cookie Policy from time to time. The "Last updated" date at the top indicates when the policy was last revised.
6. Contact
For questions about our use of cookies, contact us at: privacy@blockviz.xyz
Contact Us
If you have any questions about our Cookie Policy, please contact us at support@blockviz.com.
Manage Preferences
You can reset your cookie preferences at any time, which will cause the consent banner to appear again.