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ブロックチェーン技術概論 / Overview of Blockchain Technology

ブロックチェーン技術概論 / Overview of Blockchain Technology

2020年1月31日(金)、ブロックチェーンハブ主催のブロックチェーンアカデミー「ブロックチェーン技術概論」にて使用したスライドです。

Kenji Saito

January 31, 2020
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  1. ( ) SFC ( ) CSO (Chief Science Officer) 1993

    ( ) 2006 ( ) SFC 19 P2P (Peer-to-Peer) ( 9 ) 2011 2018 2019 ∼ 2019 ∼ REINVENT THE WORLD → ( ) — — 2020-01-31 – p.3/38
  2. (1) (2017) : SF + + SF (2048 ) 2048

    — — 2020-01-31 – p.4/38
  3. (2) 2049 (2019) : ( ) SF (2004 2014 2034

    ) 2049 — — 2020-01-31 – p.5/38
  4. ( ) ≥ ( / ) ( : TV )

    — — 2020-01-31 – p.8/38
  5. . . . YouTuber ( ) ( ) ( )

    YouTube, Skype, etc. ??? YouTube Skype — — 2020-01-31 – p.9/38
  6. 1) = ( , , , ), = 2) 1)

    3) 1) ( ) ⇒ ( ) ⇒ · / (dependable ) — — 2020-01-31 – p.10/38
  7. /LT(Ledger Technology) ( ) Bitcoin ( ) Open Assets Protocol

    (OAP) ( ) Ethereum ( ) ( ) EOS (↓ ) ( / LT) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth (Intel), Iroha ( ) Corda (R3), BBc-1 ( ), etc. — — 2020-01-31 – p.11/38
  8. / (1) 2,100 cm3 (cc) 1 1cm3 10 12.5cm3 ⇒

    ⇒ ( ) — — 2020-01-31 – p.12/38
  9. / (2) ( ) ( ) ( ) ( )

    ( ) → ( ) — — 2020-01-31 – p.13/38
  10. ∼ ϖʔδ൪߸O ϖʔδ൪߸O  ϖʔδ൪߸O  ϖʔδ൪߸O  ϖʔδ൪߸O 

    ϖʔδ൪߸O  ϖʔδ൪߸O  ϖʔδ൪߸O  ͬͪ͜ͷྺ࢙͕༗ޮ ( ) — — 2020-01-31 – p.16/38
  11. /DLT ਖ਼౰ੑͷอূ ྫ6590ߏ଄ͱσδλϧॺ໊ ଘࡏੑͷূ໌ ྫ࡞ۀূ໌෇͖ϋογϡνΣʔϯ །Ұੑͷ߹ҙ ྫφΧϞτɾίϯηϯαε ϧʔϧͷهड़ ྫ#5$ͷҠస ɾ

    τϥϯβΫγϣϯͷ಺༰͕վ͟ΜͰ͖ͣɺ ɾ ͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺ ɾ ͔ͭɺਖ਼౰ͳϢʔβʹΑΓ౤ೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δ ɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺ ɾ ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻଄Ͱ͖ͳ͍ ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕౤ೖ͞Εͨ৔߹ɺ ɹ ͍ͣΕ ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔ ɾΞϓϦέʔγϣϯϩδοΫ Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ — — 2020-01-31 – p.17/38
  12. (Hyperledger ) ( ) ( ) ( ) ( )

    IoT / / ( , ) — — 2020-01-31 – p.19/38
  13. : . . . : Proof of Existence, Everledger, Factom,

    . . . ( ) ( ) / × = — — 2020-01-31 – p.20/38
  14. ( ) ( ) / ( ) : : —

    — 2020-01-31 – p.23/38
  15. ( ) ( ) ( vs. ) ( ) (

    ) ( ) ⇒ ( : BBc-1) DLT : : — — 2020-01-31 – p.25/38
  16. / Bitcoin, Ethereum DLT BBc-1 ( ) ( ) (

    ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ެڞۭؒ ɾτϥϯβΫγϣϯͷূڌΛແؔ܎ͳྺ࢙͕อ༗ ɾͲΕ͔ͷ୆ாΛແໃ६ʹॻ͖׵͑ͯ΋ূڌ͕࢒Δ τϥϯβΫγϣϯ ୆ா υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ Ethereum ( ) → — — 2020-01-31 – p.26/38
  17. ( ) (by ) (since 1984) ( ) ( )

    ( ) . . . ( ) Libra — — 2020-01-31 – p.28/38
  18. ( ) ( ) ( ) ( , ) (

    ) ( ) (by ) — — 2020-01-31 – p.29/38
  19. : ⇒ LINE → → ( ) ( ) ⇒

    ( ) → → → . . . — — 2020-01-31 – p.30/38
  20. — 1. ( ) 2. ( ) 3. ( )

    — — 2020-01-31 – p.32/38
  21. ( ) → (AI ) → ← → → /

    / — — 2020-01-31 – p.37/38