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. Sidra Cex 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 1,805 members, Sidra Cex 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 Sidra Cex can see your username only if you post — your membership is not visible to anyone outside the group.

Sidra Cex is a Telegram group for anyone interested in art and marketplace. Members can expect regular discussions on persian and crypto, along with nft to research.

We verify every listing is publicly accessible, has a minimum member count, and exclude groups Telegram has marked as harmful. Sidra Cex currently has 1,805 members and is marked as active, last verified 22 Sep 2026. If you've joined Sidra Cex and noticed something suspicious — a review on this page helps others stay safe.