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.