Geely's Volvo Cars said it has produced the first car to use a blockchain to mark recycled cobalt and has joined another project to monitor the cobalt content of the Democratic Republic of the Congo. They are exploring the use of blockchains to increase accountability throughout the supply chain. Volvo said: "In the two months ended June 27, the company tracked cobalt from a recycling plant in China to Volvo Cars Zhejiang Branch." Volvo added that its goal is "complete transparency and traceability." ". The blockchain was developed by British blockchain expert Circulor using technology from Oracle Corporation of America and is expected to be widely available this year.