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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
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None
Satoshi Nakamoto
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None
None
None
Yukihiro Matsumoto Satoshi Nakamoto
Yukihiro Matsumoto Satoshi Nakamoto
Yukihiro Matsumoto Satoshi Nakamoto
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None
None
None
None
Money
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Money?
Currency
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None
None
None
None
None
None
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Bitcoin
Have you heard of Bitcoin? I have one bitcoin.
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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
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SHA256(Block Data + Nonce) < Target
Difficulty = Maximum Target / Target
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None
Internet of Things
Mining
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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?
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None
None
None
Game
None
None
None
None
1 = 1 bit
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None
Demo Time!
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Block Size
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None
None
Any questions?
Thank you!