h o f t t o a v o i d d o u b l e s p e n d i n g pro ble
play

H o f t t o a v o i d d o u b l e s p e n d i - PowerPoint PPT Presentation

H o f t t o a v o i d d o u b l e s p e n d i n g ? Pro ble O r d e r p r o b e l m W e c a n n o t d e p e n d o n t i m e a s it i s e a s i l y D o u b e s l p e n d f r


  1. H o f t t o a v o i d d o u b l e s p e n d i n g ?

  2. Pro ble

  3. O r d e r p r o b e l m

  4. W e c a n n o t d e p e n d o n t i m e a s it i s e a s i l y

  5. D o u b e s l p e n d f r a u d

  6. I n v a l i d a t e d b y s o m e n o d e s .

  7. H o f t t o a g r e e o n a n o r d e r ?

  8. B l o c k c h a i n .

  9. T r a n s a c t i o n c h a i n

  10. Bl oc

  11. A n s f t e r t o a s p e c i f i c p r o b e l m

  12. F i r s t p e r s o n t o f i n d a s o l u t i o n ftill b r o a d c a s t t h e b l o c k t o t h e n e t f t o r k

  13. S e v e r a l p o s s i b l e b r a n c h e s

  14. Y o u n e e d c p u p o f t e r t o h a v e y o u r b l o c k b r o a d c a s t e d

  15. Y o u a l f t a y s s f t i t c h e d t o t h e l o n g u e s t b r a n c h .

  16. H a l f o f n o d e s m u s t b e h o n n e s t .

  17. I h a v e c o n s t r u c t e d t h i s p r e s e n t a t i o n b a s e d o n : · Bitcoin under the hood · Mastering Bitcoin · Original paper · Coursera Icons made by Freepik from Flatjcon is licensed by Creatjve Commons BY 3.0

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