In one aspect, the present disclosure proposes methods, devices and systems and devices for providing a new structured data pertaining to blockchain transactions to implement a new data structure. This new data structure is provided to implement a distributed database. In another aspect, a new distributed data management system (DBMS) is provided, that can manage data associated with the new data structure. However, unlike a conventional DBMS for traditional databases, the present disclosure provides a blockchain DBMS that is configured to managed data associated with one or more blockchain transactions, said data being stored in the new data structure. In another aspect, the present disclosure provides a method for generating or providing one or more blockchain transactions for implementing one or more standard database commands that are received for accessing or manipulating a database, where the data is stored on the new data structure.