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R&B: When Ruby Met Bitcoin
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Joseph Ku
September 12, 2015
Technology
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R&B: When Ruby Met Bitcoin
* Talk @ RubyConf Taiwan 2015 (2015.09.12)
Joseph Ku
September 12, 2015
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Transcript
RubyConf Taiw an 2015 R&B: When Ruby Met Bitcoin
Who Am I?
古傑芳
@josephku
None
None
2009
Ruby
2010
2011
2012
Bitcoin
R & B
Rhythm & Blues
Ruby & Bitcoin
When Ruby Met Bitcoin
Yukihiro Matsumoto
Matz
None
None
Satoshi Nakamoto
None
None
None
None
Yukihiro Matsumoto Satoshi Nakamoto
Yukihiro Matsumoto Satoshi Nakamoto
Yukihiro Matsumoto Satoshi Nakamoto
None
None
None
None
None
Money
None
Money?
Currency
None
None
None
None
None
None
None
None
None
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Bitcoin
Have you heard of Bitcoin? I have one bitcoin.
None
v0.11.0
!
Node.js
v0.12.7
21 Million
10-6 btc = 1 bit
10-8 btc = 1 satoshi
Address
Wallet
Demo Time!
Blockchain
Block
None
SHA256(Block Data + Nonce) < Target
Difficulty = Maximum Target / Target
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None
None
Internet of Things
Mining
None
None
NT$ 105
0.00815 BTC
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Bitcoin Only!!
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None
After a month…
0.00000422 BTC
7.394Mh/s
23,285 days
63.79 years
Can I just pay by NT$105?
None
None
None
None
Game
None
None
None
None
1 = 1 bit
None
None
Demo Time!
None
Block Size
None
None
None
Any questions?
Thank you!