Revision dated 01.10.2026
We use technical cookies the service cannot work without and, only with your consent, Yandex Metrica analytics cookies. We do not use advertising cookies. Your choice is stored in browser local storage under the key basalt-cookie-consent and can be reset by clearing site data in the browser. More on data processing: Privacy Policy.
These cookies are needed for sign-in, security and the client portal. No consent is required.
| Name | Purpose | Duration |
|---|---|---|
| sb-…-auth-token | Account sign-in session | Session lifetime, extended with activity |
| basalt_device | Recognising a trusted device at sign-in | 400 days |
| device_challenge_pending | Confirming sign-in from a new device | 10 minutes |
| portal_session, portal_account_session, portal_authenticated | Client access to the portal | 24 hours |
| portal_refresh | Renewing client access to the portal | 30 days |
| NEXT_LOCALE | Selected interface language | 1 year |
These cookies remember which link you came from so that an invitation or partner link is credited correctly at sign-up.
| Name | Purpose | Duration |
|---|---|---|
| basalt_ref | Invitation or partner link code | 60 days |
| basalt_src | Source of the sign-up visit | 30 days |
Loaded only after you press “Accept” in the cookie banner.
| Name | Purpose | Duration |
|---|---|---|
| _ym_* | Anonymised visit statistics (Yandex Metrica) | Up to 1 year |
Besides cookies, browser local storage holds your cookie banner choice (basalt-cookie-consent) and interface settings such as theme and player volume. This data stays on your device.
Registration and login forms are protected by Yandex SmartCaptcha. It may use its own cookies and browser data only to tell people from bots, based on the legitimate interest in service security. More: SmartCaptcha policy.