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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10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

November 10, 2017
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  1. CSO / SFC [email protected] — — 2017-10-13 – p.1/40

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

    M.Eng ( ) 2006 ( ) SFC 17 P2P 2011 → ( ) — — 2017-10-13 – p.2/40
  3. — — 2017-10-13 – p.3/40

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

    ) — — 2017-10-13 – p.4/40
  5. ( ) P2P ( ) (double spending) ⇒ ( )

    ← — — 2017-10-13 – p.5/40
  6. 1) 2) 3) ⇒ ⇒ — — 2017-10-13 – p.6/40

  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), Tangle (IOTA) — — 2017-10-13 – p.7/40
  8. Beyond Blockchain One (BBc-1) #JUDPJO ͦͷଞͷ ύϒϦοΫϨοδϟʔ BBc-1 ΦʔϓϯͰύϒϦοΫͳɹ෼ࢄϨοδϟʔ ෼ࢄετϨʔδ؅ཧ

    αʔόϨε ۃྗϝΠϯςφϯεϑϦʔ ͳ࣮ߦ؀ڥ ΞϓϦέʔγϣϯ ͦ ͷ ଞ ͞ · ͟ · ͳ Ξ ϓ Ϧ ͷ Մ ೳ ੑ σδλϧ௨՟ 4%, σδλϧΞηοτ "1* ##D ։ൃ߲໨ ҠߦΞγελϯτ ஍ Ҭ ௨ ՟ Ξ ϓ Ϧ ϙ Π ϯ τ Ξ ϓ Ϧ དྷ ྺ ূ ໌ Ξ ϓ Ϧ ʜ ॳظ λʔήοτ ॳظ λʔήοτ ॳظʹ͓͍ͯଘࡏূ໌Λґଘ ݸʑͷετϨʔδαʔϏε Մೳͳλʔήοτ 2017 10 31 (https://github.com/beyond-blockchain/bbc1) — — 2017-10-13 – p.8/40
  9. (1) — — — 2017-10-13 – p.9/40

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

    ← ( ) — — 2017-10-13 – p.10/40
  11. ( ) 1. 10 ( ) 2. 3. 1 —

    — 2017-10-13 – p.11/40
  12. /DLT End-to-End ( ) ( ) — — 2017-10-13 –

    p.12/40
  13. ( / ) EVM ( ) EVM (Ethereum Virtual Machine)

    Gas ( CPU ) — — 2017-10-13 – p.13/40
  14. — — 2017-10-13 – p.14/40

  15. (Hyperledger ) ( ) ( ) ( ) IoT /

    / ( , ) — — 2017-10-13 – p.15/40
  16. : . . . : Proof of Existence, Everledger, Factom,

    . . . (OP_RETURN ) ( ) ( ) — — 2017-10-13 – p.16/40
  17. ( KVS DHT) — — 2017-10-13 – p.17/40

  18. — — 2017-10-13 – p.18/40

  19. (2009 1 ∼2017 11 ) 2 → 2 2 →

    — — 2017-10-13 – p.19/40
  20. vs. — — 2017-10-13 – p.20/40

  21. The DAO ( ) The DAO Split ( ) 360

    ETH (50∼60 ) (2016/6/17) ( → ) ( → ; ) ( ) (2016/7/20 ) — — 2017-10-13 – p.21/40
  22. — — 2017-10-13 – p.22/40

  23. : ⇒ ⇒ — — 2017-10-13 – p.23/40

  24. Ether Ether Ether . . . BTC Everledger, Factom OAP

    ⇒ — — 2017-10-13 – p.24/40
  25. 3 1. ( : UTXO ) ⇒ ( ) 2.

    ( : ) ⇒ 3. ( : ) TX ⇒ 2 3 — — 2017-10-13 – p.25/40
  26. — — 2017-10-13 – p.26/40

  27. ( ) (by ) (since 1984) ( ) ( )

    ( ) . . . ( ) — — 2017-10-13 – p.27/40
  28. ( ) ( ) ( ) ( ) ( )

    ( ) (by ) — — 2017-10-13 – p.28/40
  29. Q. ( ) ( = / = ) ⇒ —

    — 2017-10-13 – p.29/40
  30. ( ) ( ) ( ) — — 2017-10-13 –

    p.30/40
  31. ( ) / / — — 2017-10-13 – p.31/40

  32. — 1. ( ) 2. ( ) 3. ( )

    — — 2017-10-13 – p.32/40
  33. → 30 : × — — 2017-10-13 – p.33/40

  34. OS (2007) — — 2017-10-13 – p.34/40

  35. Amazon Go → — — 2017-10-13 – p.35/40

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

    — 2017-10-13 – p.36/40
  37. (4 ) ( ) — — 2017-10-13 – p.37/40

  38. ( ) → (AI ) → ← → → /

    / — — 2017-10-13 – p.38/40
  39. ( ) 11/15 11/22 11/29 12/7( ) 2.0 12/13 12/20

    — — 2017-10-13 – p.39/40
  40. — — 2017-10-13 – p.40/40