U.S. tech giant IBM has officially launched its blockchain-based food tracking network, Food Trust, after 18 months of testing, the company revealed in a press-release Monday, October 8.

In the same announcement, the corporation revealed that another major food retailer Carrefour is joining their ecosystem. The France-based company that operates more than 12 thousands stores in 33 countries will first test blockchain on their own stores. As IBM’s press release reports, by 2022 Carrefour is planning to expand blockchain to all of its brands around the world.

IBM Food Trust was first announced back in 2016 as a blockchain solution that would connect different parties in the food industry. During the trial period, which started August 2017, the company partnered with Nestle SA, Dole Food Co., Driscoll’s Inc., Golden State Foods, Kroger Co., McCormick and Co., McLane Co., Tyson Foods Inc. and Unilever NV.

According to IBM, during its testing period, that retailers and suppliers used the  Food Trust blockchain to track “millions of individual food products.”