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R&B: When Ruby Met Bitcoin

7f403c925a51bf816b8c31c77c6f678b?s=47 Joseph Ku
September 12, 2015
Technology
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81

R&B: When Ruby Met Bitcoin

* Talk @ RubyConf Taiwan 2015 (2015.09.12)

7f403c925a51bf816b8c31c77c6f678b?s=128

Joseph Ku

September 12, 2015
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Transcript

  1. RubyConf Taiw an 2015 R&B: When Ruby Met Bitcoin

  2. Who Am I?

  3. 古傑芳

  4. @josephku

  5. None
  6. None

  7. 2009

  8. Ruby

  9. 2010

  10. 2011

  11. 2012

  12. Bitcoin

  13. R & B

  14. Rhythm & Blues

  15. Ruby & Bitcoin

  16. When Ruby Met Bitcoin

  17. Yukihiro Matsumoto

  18. Matz

  19. None
  20. None

  21. Satoshi Nakamoto

  22. None
  23. None
  24. None
  25. None

  26. Yukihiro Matsumoto Satoshi Nakamoto

  27. Yukihiro Matsumoto Satoshi Nakamoto

  28. Yukihiro Matsumoto Satoshi Nakamoto

  29. None
  30. None
  31. None
  32. None
  33. None

  34. Money

  35. None

  36. Money?

  37. Currency

  38. None
  39. None
  40. None
  41. None
  42. None
  43. None
  44. None
  45. None
  46. None
  47. None

  48. Bitcoin

  49. Have you heard of Bitcoin? I have one bitcoin.

  50. None

  51. v0.11.0

  52. !

  53. Node.js

  54. v0.12.7

  55. 21 Million

  56. 10-6 btc = 1 bit

  57. 10-8 btc = 1 satoshi

  58. Address

  59. Wallet

  60. Demo Time!

  61. Blockchain

  62. Block

  63. None

  64. SHA256(Block Data + Nonce) < Target

  65. Difficulty = Maximum Target / Target

  66. None
  67. None
  68. None

  69. Internet of Things

  70. Mining

  71. None
  72. None

  73. NT$ 105

  74. 0.00815 BTC

  75. None

  76. Bitcoin Only!!

  77. None
  78. None

  79. After a month…

  80. 0.00000422 BTC

  81. 7.394Mh/s

  82. 23,285 days

  83. 63.79 years

  84. Can I just pay by NT$105?

  85. None
  86. None
  87. None
  88. None

  89. Game

  90. None
  91. None
  92. None
  93. None

  94. 1 = 1 bit

  95. None
  96. None

  97. Demo Time!

  98. None

  99. Block Size

  100. None
  101. None
  102. None

  103. Any questions?

  104. Thank you!