Joining a public Telegram group carries no risk to your wallet or device by itself. The real risk in crypto groups is social engineering — unsolicited DMs from fake "admins" offering deals after you join. CI in Berlin & around is listed in our directory, but the rule applies everywhere: never respond to DMs from unknown accounts after joining any crypto group. Your phone number is never visible to other members unless you've made it public in your Telegram privacy settings. With 2,048 members, CI in Berlin & around is an established community — larger groups are generally less likely to be freshly created scam operations.

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

CI in Berlin & around is a Telegram group for anyone interested in networking and programming. Members can expect regular discussions on technology and berlin to learn more about.

We verify every listing is publicly accessible, has a minimum member count, and exclude groups Telegram has marked as harmful. CI in Berlin & around currently has 2,048 members and is marked as active. If you've joined CI in Berlin & around and noticed something suspicious — a review on this page helps others stay safe.