BITCOIN               
                                        
                                          
 BITCOIN  IS  A CRYPTO COIN,  CRYPTO HERE 
 MEANING  "HIDDEN", BECAUSE THIS MONEY IS 
  INVISIBLE, INTANGIBLE (YET STILL REAL)! 
 THIS IS  A SYMPTOM OF  IT ONLY LIVING ON 
 THE INTERNET  - IN FACT, IF YOU  WERE TO 
 REMOVE  A BITCOIN FROM THE MAINFRAME, IT 
     WOULD IMMEDIATELY DIE AND BECOME     
                WORTHLESS.                
                                          
 IT WORKS LIKE THIS:  IF  YOU  MAKE  YOUR 
 COMPUTER  CREATE  A  LOT OF  HEAT,  IT'S 
 REWARDED WITH  BITCOIN,  AS  A TOKEN  OF 
       GRATITUDE FROM TIME'S ARROW.       
                                          
 THEN EVERY  OTHER COMPUTER HAS TO SIGN A 
 DOCUMENT  STATING THAT THOSE  COINS  ARE 
 ACTUALLY  YOURS. YOU CAN  THEN SEND THEM 
 TO  OTHERS,  GENERATING  A NEW  DOCUMENT 
          FOR EVERYONE TO SIGN.           
                                          
 AND BECAUSE  YOU'RE KNEE  DEEP NOW,  YOU 
 HAVE  TO  SIGN   A  LOT   OF   DOCUMENTS 
 YOURSELF,  AND  KEEP TRACK OF WHO SIGNED 
 WHAT, AND  LOOK  FOR FORGED  SIGNATURES, 
 AND  PROBABLY  FORGE  A FEW  YOURSELF... 
                                          
 ALSO,  IN  THE  END   IT  DOESN'T  WORK.