Question: Using java, reate a simple blockchain that reads string from a text file, and put each line of the string into a XML string, after

Using java, reate a simple blockchain that reads string from a text file, and put each line of the string into a XML string, after all the strings are transfered into XML, combine and write them into one XML file. It should has a method to solve the puzzle for "work" that may be used later to compete process speed.

the text file could contains as following

Sam 1996/10/20 800-196-7514

Kelly 1998/1/15 800-154-1214

Kim 1997/2/14 800-332-4542

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