Bitcoin Japan 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 Bitcoin Japan can see your username only if you post — your membership is not visible to anyone outside the group.

Bitcoin Japan is a Telegram group for anyone interested in bitcoin and japan. Members can expect regular discussions on cryptocurrency and finance, along with news to discover.

We verify every listing is publicly accessible, has a minimum member count, and exclude groups Telegram has marked as harmful. Bitcoin Japan currently has 635 members, last verified 24 May 2026. If you've joined Bitcoin Japan and noticed something suspicious — a review on this page helps others stay safe.