The D. Bank - Store your Dabloons app by Santiago Ortega allows you to log transactions and chat with other "travelers".
Since dabloons aren't real money, there is no official database. Users use tools like Dabloon Tracker or the Version 4.2 Shortcut to keep an honest tally of their fictional wealth. Alternative Mobile Apps
Dabloons are a fictional currency for entertainment only and have no real-world value.