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Legal
What we store on your device, why, for how long, and how to change your mind at any moment.
N° 01
GMTOne sets a small number of cookies. Some are strictly necessary: they keep you signed in and the marketplace secure, and they are the only ones set before you make a choice. Everything else is optional and stays off until you switch it on.
We do not sell your data, and we do not embed third-party advertising trackers on this site today. If that ever changes, this page and the consent banner change with it, and we will ask you again.
N° 02
These are required for the site to work: signing in, submitting an offer, protecting the login flow from forgery, and remembering that you already answered the banner. Under the ePrivacy Directive they do not require consent, and they cannot be switched off without breaking the marketplace.
| Name | Type | Purpose | Retention |
|---|---|---|---|
gmt_sessionGMTOne | Cookie | Keeps you signed in and authorises actions on your account (offers, listings, saved watches). Signed, HTTP-only. | 30 days |
g_oauth_stateGMTOne | Cookie | Single-use anti-forgery token during a Google sign-in, so someone cannot hijack the login round-trip. | 10 minutes |
gmt_consentGMTOne | Cookie | Remembers the choice you made in the cookie banner, so we neither ask again on every page nor set anything you declined. | 6 months |
gmt-consentGMTOne | Local storage | The same decision with its timestamp and version, kept on your device as our record of when and how consent was given. | 6 months |
N° 03
Set only if you allow the “Preferences” category. They remember small comfort settings on this device. Turning the category off deletes them immediately.
| Name | Type | Purpose | Retention |
|---|---|---|---|
gmt-themeGMTOne | Local storage | Remembers whether you chose the light or dark appearance. | Until cleared |
gmt-concierge-chatGMTOne | Local storage | Keeps your recent concierge conversation on this device so it is still there when you come back. Never leaves your browser except as the messages you send. | Until cleared |
N° 04
Both categories exist in the banner but are currently not in use. No analytics or advertising script is loaded on GMTOne at the moment. When we introduce one, it will load only for visitors who have consented to that category, and it will be listed here first.
N° 05
Withdrawing is as easy as giving. Open at any time, from this page or from the footer of every page, and adjust the switches. Your new choice takes effect immediately, and anything belonging to a category you switched off is deleted from your browser there and then.
You can also clear cookies and site data in your browser settings. We ask again after six months, or sooner if the purposes on this page materially change.
N° 06
Signing in with Google sends a request to Google’s authentication service; Google may set its own cookies in that context under its own policy. Our hosting provider (Vercel) and database provider (Supabase) process requests on our behalf as data processors and do not set tracking cookies on this site.
N° 07
Write to contact@gmtone.com. For how we handle personal data more broadly, see our privacy notice.