Glencore and partners to trace sustainable cobalt in blockchain pilot 21 May 2021 (Last Updated May 21st, 2021 12:23) Glencore will join Umicore to pilot a blockchain solution designed for sustainable cobalt traceability. Share Article Glencore and other miners have partnered with battery material supplier Umicore to pilot a blockchain solution for sustainable cobalt traceability. The group includes Eurasian Resources Group (ERG) and China Molybdenum (CMOC). The team intends to pilot ReISource, a solution that will use blockchain technology to trace responsibly produced cobalt from the mine to the electric car. Designed to help address the growing need for cobalt value chain visibility, the solution will use technologies such as blockchain and zero-knowledge proofs to link digital flows with physical material flows on the ground.