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ブロックチェーン概論 / Overview of Blockchains

ブロックチェーン概論 / Overview of Blockchains

2017年10月13日(金)、Clip ニホンバシにて開催したブロックチェーンアカデミー「ブロックチェーン概論」にて使用したスライドです。

Kenji Saito
PRO

October 13, 2017
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  1. CSO / SFC [email protected] — — 2017-10-13 – p.1/39

  2. ( ) SFC ( ) CSO (Chief Science Officer) 1993

    M.Eng ( ) 2006 ( ) SFC 17 P2P 2011 → ( ) — — 2017-10-13 – p.2/39
  3. — — 2017-10-13 – p.3/39

  4. (by Satoshi Nakamoto) Satoshi ( ) (block; , ) (chain;

    ) — — 2017-10-13 – p.4/39
  5. ( ) P2P ( ) (double spending) ⇒ ( )

    ← — — 2017-10-13 – p.5/39
  6. 1) 2) 3) ⇒ ⇒ — — 2017-10-13 – p.6/39

  7. /DLT(Distributed Ledger Technology) ( ) Bitcoin ( ) Open Assets

    Protocol (OAP) ( ) Ethereum ( ) ( ) Enterprise Ethereum Alliance (↓ ) (DLT) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth (Intel), Iroha ( ) Corda (R3) — — 2017-10-13 – p.7/39
  8. (1) — — — 2017-10-13 – p.8/39

  9. (2) — RSA, DSA, ECDSA ( DSA; ), etc. RSA

    ← ( ) — — 2017-10-13 – p.9/39
  10. ( ) 1. 10 ( ) 2. 3. 1 —

    — 2017-10-13 – p.10/39
  11. /DLT End-to-End ( ) ( ) — — 2017-10-13 –

    p.11/39
  12. ( / ) EVM ( ) EVM (Ethereum Virtual Machine)

    Gas ( CPU ) — — 2017-10-13 – p.12/39
  13. — — 2017-10-13 – p.13/39

  14. (Hyperledger ) ( ) ( ) ( ) IoT /

    / ( ) — — 2017-10-13 – p.14/39
  15. : . . . : Proof of Existence, Everledger, Factom,

    . . . (OP_RETURN ) ( ) ( ) — — 2017-10-13 – p.15/39
  16. ( KVS DHT) — — 2017-10-13 – p.16/39

  17. — — 2017-10-13 – p.17/39

  18. (2014 2 ∼2016 1 ) 2 → 2 2 →

    — — 2017-10-13 – p.18/39
  19. vs. — — 2017-10-13 – p.19/39

  20. The DAO ( ) The DAO Split ( ) 360

    ETH (50∼60 ) (2016/6/17) ( → ) ( → ; ) ( ) (2016/7/20 ) — — 2017-10-13 – p.20/39
  21. — — 2017-10-13 – p.21/39

  22. : ⇒ ⇒ — — 2017-10-13 – p.22/39

  23. Ether Ether Ether . . . BTC Everledger, Factom OAP

    ⇒ — — 2017-10-13 – p.23/39
  24. 3 1. ( : UTXO ) ⇒ ( ) 2.

    ( : ) ⇒ 3. ( : ) TX ⇒ 2 3 — — 2017-10-13 – p.24/39
  25. — — 2017-10-13 – p.25/39

  26. ( ) (by ) (since 1984) ( ) ( )

    ( ) . . . ( ) — — 2017-10-13 – p.26/39
  27. ( ) ( ) ( ) ( ) ( )

    ( ) (by ) — — 2017-10-13 – p.27/39
  28. Q. ( ) ( = / = ) ⇒ —

    — 2017-10-13 – p.28/39
  29. ( ) ( ) ( ) — — 2017-10-13 –

    p.29/39
  30. ( ) / / — — 2017-10-13 – p.30/39

  31. — 1. ( ) 2. ( ) 3. ( )

    — — 2017-10-13 – p.31/39
  32. → 30 : × — — 2017-10-13 – p.32/39

  33. OS (2007) — — 2017-10-13 – p.33/39

  34. Amazon Go → — — 2017-10-13 – p.34/39

  35. ( JPY ) MUFG J S (“Cause-Oriented Economy”) ⇒ —

    — 2017-10-13 – p.35/39
  36. (4 ) ( ) — — 2017-10-13 – p.36/39

  37. ( ) → (AI ) → ← → → /

    / — — 2017-10-13 – p.37/39
  38. 10/18, 10/25, 11/1, 11/8 ( ) 1 2 11/15, 11/22,

    11/29, 12/7( ), 12/13, 12/20 ( ) 2.0 — — 2017-10-13 – p.38/39
  39. — — 2017-10-13 – p.39/39