Hamburger Bitcoin Stammtisch is a public Telegram group — anyone can join without invitation. Your phone number is never visible to other members unless you've made it public in your Telegram privacy settings. You can leave at any time with a single tap.

No. Telegram never notifies your contacts when you join or leave a group. Other members inside Hamburger Bitcoin Stammtisch can see your username only if you post — your membership is not visible to anyone outside the group.

Hamburger Bitcoin Stammtisch is a Telegram group for anyone interested in bitcoin and cryptocurrency. Members can expect regular discussions on meetup and hamburg, along with networking to learn more about.

We verify every listing is publicly accessible, has a minimum member count, and exclude groups Telegram has marked as harmful. Hamburger Bitcoin Stammtisch currently has 255 members, last verified 24 May 2026. If you've joined Hamburger Bitcoin Stammtisch and noticed something suspicious — a review on this page helps others stay safe.