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H
- f
t t
- a
v
- i
d d
- u
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 - - 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
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O r d e r p r
- b
l e m
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W e c a n n
- t
d e p e n d o n t i m e a s it i s e a s i l y
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D
- u
b l e s p e n d f r a u d
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I n v a l i d a t e d b y s
- m
e n
- d
e s .
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H
- f
t t
- a
g r e e
- n
a n
- r
d e r ?
SLIDE 19
B l
- c
k c h a i n .
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T r a n s a c t i
- n
c h a i n
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Bl
- c
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A n s f t e r t
- a
s p e c i f i c p r
- b
l e m
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F i r s t p e r s
- n t
- f
i n d a s
- l
u t i
- n
ftill b r
- a
d c a s t t h e b l
- c
k t
- t
h e n e t f t
- r
k
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S e v e r a l p
- s
s i b l e b r a n c h e s
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Y
- u n
e e d c p u p
- f
t e r t
- h
a v e y
- u
r b l
- c
k b r
- a
d c a s t e d
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Y
- u a
l f t a y s s f t i t c h e d t
- t
h e l
- n
g u e s t b r a n c h .
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H a l f
- f n
- d
e s m u s t b e h
- n
n e s t .
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I h a v e c
- n
s t r u c t e d t h i s p r e s e n t a t i
- 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