Telegram Tech Promised In ICO Vulnerable to Attack, Researchers Say ByBrady DalePRO INVESTOR Updated: 02 August 2021 DisclosureWe sometimes use affiliate links in our content, when clicking on those we might receive a commission – at no extra cost to you. By using this website you agree to our terms and conditions and privacy policy. Telegram has put out its first app since its ICO, but that identity play has security researchers reeling.