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Cookie policy

Last updated: 8 October 2026

この文書は英語とスペイン語でのみ提供しています。

What cookies are

Cookies are small files that a website stores in your browser. Similar technologies, such as local storage and session storage, also let a website keep data in your browser. This policy covers all of them.

In short: only what is strictly necessary

River TCG only uses cookies and storage that are strictly necessary: to keep you signed in, to remember your settings and the deck you are building, and to protect the site against bots and attacks. We do not use analytics, advertising or social media cookies, and no cookies are used to track you.

Under Article 22(2) of the Spanish Information Society Services Act (LSSI), strictly necessary cookies do not require consent, which is why we do not show a cookie banner. If we ever add cookies that need consent, we will ask for it first.

Cookies we use

NamePurposeDuration
sb-…-auth-tokenKeeps you signed in and authenticates your requests. It is only set when you sign in, and it may be split into several cookies ending in .0, .1… when it is large.Up to 400 days, renewed while you use the site; deleted when you sign out.
sb-…-auth-token-code-verifierProtects signing in with Google or Discord, and the links we email you (account confirmation, password reset), against interception.Until the sign-in is completed.
__cf_bmSet by Cloudflare to tell people from bots and protect the site against automated traffic.30 minutes.
cf_clearanceSet by Cloudflare only after you pass a security challenge, so that you are not asked again.For the challenge validity period set in Cloudflare (30 minutes by default).

The sb- cookies come from Supabase, our authentication provider, and "…" stands for the identifier of our project there. __cf_bm and cf_clearance come from Cloudflare, our hosting and security provider. All of them are set on our own domain.

Browser storage we use

NameTypePurposeDuration
deck-builder-stateLocal storageKeeps the deck you are building so it is not lost if you reload the page or come back later.Until you clear your browser data.
themeLocal storageRemembers the colour theme you chose.Until you clear your browser data.
publication:pending-deckSession storageCarries a deck from the deck builder to the publication editor when you choose to publish it.Until the editor opens or you close the tab.

This data stays in your browser: we do not receive it unless you save a deck to your account or publish it.

Third-party websites

When you sign in with Google or Discord, or follow a link to Cardmarket, TCGplayer or the official One Piece Card Game websites, you leave River TCG, and those websites may use their own cookies under their own policies.

How to manage or delete them

You can view, block or delete cookies and stored data in your browser settings. If you block the sign-in cookies you will not be able to sign in, and if you clear local storage you will lose the deck in progress and your theme choice.

If you have any questions, write to contact@river-tcg.com. You can read more about how we handle personal data in our privacy policy.

RIVER TCG

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