2. • Working on Bitcoin since 2007
• In 2008, he published a paper on The
Cryptography Mailing List at
metzdowd.com describing the Bitcoin
digital currency
• Disappeared mid-2010
Who invented Bitcoin?
3. What is Bitcoin?
• No Central Authority
• Base on Cryptography
• Pseudonymous and Transparent
• Cross-platform and Multiform
“a digital currency without central authority”
4. No Central Authority
Centralized SystemsDecentralized Systems
with Central AuthorityNo Central Authority
vs
* Just like torrent and tor networks
5. Base on Cryptography
“the art of writing or solving codes”
HELLO
WORLD
HELLO
WORLD
SH182JSMK3O0
K21298DSKK22
10091220ASL92
MASJQUEY1921
29A761282MAL
2012KAKS01202