Brazilian court clears BHP, Vale and Samarco of charges in 2015 dam disaster
A court in Belo Horizonte ruled that state prosecutors failed to prove that "individual actions" directly contributed to the collapse of the dam.
Brazil’s Vale conducted its first iron ore sale via blockchain to a subsidiary in China of Nanjing Iron & Steel in what the mining company said was an important milestone towards digitalization of sales.
The letter of credit was issued through Contour’s blockchain platform in a procedure that significantly reduced the quantity of e-mails and paperwork, the mining company said.
(By Anthony Boadle; Editing by Chris Reese)
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