Cookie Policy
Last updated: March 28, 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 and provide essential functionality. We also use similar technologies such as localStorage and IndexedDB for client-side data storage.
2. Cookies We Use
We use only essential cookies that are strictly necessary for the service to function. No analytics, advertising, or tracking cookies are used.
Essential Cookies (Required)
| Name | Provider | Purpose | Duration |
|---|---|---|---|
__session | app.valueway.coffee | Stores your authentication token so you stay signed in | 1 hour |
NEXT_LOCALE | app.valueway.coffee | Remembers your language preference (English / 日本語) | 1 year |
Third-Party Essential Cookies
| Name | Provider | Purpose | Duration |
|---|---|---|---|
__stripe_mid | Stripe, Inc. | Fraud prevention during payment processing | 1 year |
__stripe_sid | Stripe, Inc. | Fraud prevention during payment session | 30 minutes |
Analytics Cookies
None. We do not use any analytics cookies.
Marketing / Advertising Cookies
None. We do not use any marketing or advertising cookies.
3. Local Storage & IndexedDB
In addition to cookies, we use browser storage technologies for essential functionality:
- Firebase Auth (IndexedDB): Stores authentication state client-side. Required for the sign-in functionality.
- Cookie consent preference (localStorage): Records whether you have acknowledged this cookie notice.
4. How to Manage Cookies
You can control cookies through your browser settings. Most browsers allow you to block or delete cookies. However, please note that disabling essential cookies will prevent you from signing in to your account.
Instructions for common browsers:
- Chrome: Settings → Privacy and Security → Cookies
- Safari: Preferences → Privacy → Manage Website Data
- Firefox: Settings → Privacy & Security → Cookies
- Edge: Settings → Privacy, search, and services → Cookies
5. Updates to This Policy
We will update this Cookie Policy when our use of cookies changes. The "Last updated" date at the top of this page indicates the most recent revision.