The Song Dynasty Guanjiao 2013 is a vintage wine produced by the Song Dynasty Guanjiao Liquor Industry Company. It is an electronic warehouse receipt, also known as an electronic delivery note, generated using blockchain technology. Every 500ml is the minimum unit for a warehouse receipt. Buyers can freely transfer or extract spot goods. On November 11, 2018, the issuance application passed the on-site inventory review by the notary office, lawyers, and auditors, and met the conditions for issuance in digital warehouse receipts (spot bills of lading). The total amount is 1000 tons. A total of 2.16 million SDGJ2013....