TBD（The Big In July 2020, based on the decentralized blockchain application network, Beidou chain initiated the mining consensus mechanism on DAPP chain. In July 2020, only 21 million pieces were issued globally, of which 2 million were crowdfunding, 3 million were reserved for development and node reward, and the remaining 16 million pieces were completely dependent on the mining output of node mining, creating a TBD value network, and connecting with the actual application scenario of Beidou commercial, TBD (Beidou) Bucket chain is a new generation of token which can really generate profits and has continuous cash flow. "