io.crums:ledgers
· Collection of modules and tools for maintaining tamper proof, evolving, historical private ledgers
and for differentially revealing (reporting) any of their parts in an efficient, provable way.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window ledgers-0.5.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.