Bitcoin isn't attached to a state or government, so itu doesn't have a central issuing authority or regulatory body, bassically, that means there's no organizational deciding when to make more bitcoins, digiring out how many to produce, kering track of where they are, so how does bitcoin work as a currency ?
Bitcoin works as a currency because it has value. In the beginning mining and getting bitcoin was laughed and ridiculed about with it having no value at all. Little to none actually but woth how bitcoin grew then people started realizing that there was some credence and following to it and until its value started going up and with its digital beginnings people were enamored by how instantly and convvenie tly one can have money or it by changing the digital value to a physical one