Cookies
We set no advertising cookies and no cross site trackers. The full list is below.
bmb_visitor
A random identifier with no meaning outside this site. It connects a checkout back to the bid that started it. It lasts about 400 days.
site_access
Used only before launch, while the site is closed to the public. It holds the preview key that opens the site for people who were given one.
bmb_admin
Set only for the site operator when signing in to the admin screen. It lasts 12 hours and is never set for visitors.
Turnstile
Cloudflare Turnstile may set its own storage while checking that a bid comes from a person. That check replaces the older style puzzle captcha and is handled by Cloudflare.
Last updated 27 August 2026.