China’s dino-banks are starting to look more favorably upon blockchain. Huobi is charging towards blockchain-powered finance, and wants to help people save cryptocurrencies. A Chinese startup has sold its public blockchain solution to a provincial government, and Vechain wants to sell blockchain for the sustainability of supply chains. Meanwhile, cryptocurrencies are being used to transfer money from China overseas.BlockchainheadlinesThe world of blockchain moves fast, and nowhere does it move faster than China. Here’s what you need to know about China’s block-world in the week of August 17-23…