Nickel prices rallied over 34% from the beginning of July, mainly on the back of a flurry of speculative activity spurred by supplyside fears in Indonesia.
Analysts say blockchain technology has potential to serve as a powerful tool for mining companies looking to improve their social and ethical supply chain standards.
Ranked: the world's 10 biggest copper mines by 2025 production — from Escondida's 1.3M tonne output to Oyu Tolgoi. Updated rankings with mine-by-mine data.