CoinDesk 加密 9月30日 13:00 巴西国油 Petrobras 测试 Cardano 区块链以追踪清洁航煤与柴油排放数据 Cardano tapped by Brazil’s state oil giant to track cleaner jet fuel and diesel Petrobras is testing the blockchain in two research projects aimed at preventing emissions benefits from being counted t… FG 100 读报告 →