View
673
Download
1
Category
Preview:
Citation preview
Ruby
Conf
Taiwan
2015
R&B: When Ruby Met Bitcoin
Who Am I?
古傑芳
@josephku
2009
Ruby
2010
2011
2012
Bitcoin
R & B
Rhythm & Blues
Ruby & Bitcoin
When Ruby Met Bitcoin
Yukihiro Matsumoto
Matz
Satoshi Nakamoto
Yukihiro Matsumoto
Satoshi Nakamoto
Yukihiro Matsumoto
Satoshi Nakamoto
Yukihiro Matsumoto
Satoshi Nakamoto
Money
Money?
Currency
Bitcoin
Have you heard of Bitcoin?
I have one bitcoin.
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
SHA256(Block Data + Nonce) < Target
Difficulty = Maximum Target / Target
Internet of Things
Mining
NT$ 105
0.00815 BTC
Bitcoin Only!!
After a month…
0.00000422 BTC
7.394Mh/s
23,285 days
63.79 years
Can I just pay by NT$105?
Game
1 = 1 bit
Demo Time!
Block Size
Any questions?
Thank you!
Recommended