Blockchain Start-Up SIRIN LABS Signs Leo Messi as Brand Ambassador ByAziz Abdel-QaderPRO INVESTOR Updated: 14 December 2017 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. Join Our Telegram channel to stay up to date on breaking news coverage The start-up’s officials did not reveal an exact figure for the deal cost. Join Our Telegram channel to stay up to date on breaking news coverage