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ブロックチェーン技術概論 / Introduction to Blockchain Techn...

ブロックチェーン技術概論 / Introduction to Blockchain Technology

2023年6月28日(水)、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にて使用したスライドです。

Kenji Saito

June 28, 2023
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  1. ( ) SFC ( ) CSO (Chief Science Officer) 1993

    ( ) 2006 ( ) SFC 22 P2P (Peer-to-Peer) 2011 ( ) 2018 2019 VR 2021.7 VR 2021.9 & VR 2022.3 2023 AI VR 2023.2-3 “POWER TO THE PEOPLE” VR&RPG 2023.5 “Don’t Be So Serious” → ( ) — — 2023-06-28 – p.3/36
  2. ( ) ≥ ( / ) ( : TV )

    — — 2023-06-28 – p.6/36
  3. . . . Bitcoin YouTuber ( ) ( ) (

    ) ( ) Bitcoin ( ) YouTube, Zoom, etc. ??? YouTube Zoom ( ) — — 2023-06-28 – p.7/36
  4. ↓ (1) ( ) (2) (3) ( ) — —

    2023-06-28 – p.8/36
  5. /LT(Ledger Technology) ( ) Bitcoin ( ) Open Assets Protocol

    (OAP) ( ) Ethereum ( ) ( ) Polkadot ( LT ) ( / LT) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth (Intel), Iroha ( ), Indy (Sovrin), Besu (ConsenSys) Corda (R3), BBc-1/BBc-2 ( ), etc. — — 2023-06-28 – p.9/36
  6. / (1) 2,100 cm3 (cc) 1 1cm3 10 6.25cm3 ⇒

    ⇒ ( ) — — 2023-06-28 – p.10/36
  7. / (2) ( ) ( ) ( ) ( )

    ( ) → ( ) — — 2023-06-28 – p.11/36
  8. ∼ ϖʔδ൪߸O ϖʔδ൪߸O  ϖʔδ൪߸O  ϖʔδ൪߸O  ϖʔδ൪߸O 

    ϖʔδ൪߸O  ϖʔδ൪߸O  ϖʔδ൪߸O  ͬͪ͜ͷྺ࢙͕༗ޮ ( ( ) ) — — 2023-06-28 – p.14/36
  9. /LT 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 — — 2023-06-28 – p.15/36
  10. (Hyperledger ) ( ) ( ) ( ) ( )

    IoT / / ( , ) — — 2023-06-28 – p.17/36
  11. : . . . : Proof of Existence, Everledger, .

    . . ( ) ( ) / × = ( ) NFT (Non Fungible Token) — — 2023-06-28 – p.18/36
  12. ( ) ( ) / ( ) : : ,

    ← W3C Verifiable Credentials — — 2023-06-28 – p.21/36
  13. ( ) ( ) ( vs. ) ( ) (

    ) ( ) ⇒ ( : BBc-1/BBc-2) LT ( ) : : — — 2023-06-28 – p.23/36
  14. / Bitcoin, Ethereum LT BBc-1 ( ) ( ) (

    ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ެڞۭؒ ɾτϥϯβΫγϣϯͷূڌΛແؔ܎ͳྺ࢙͕อ༗ ɾͲΕ͔ͷ୆ாΛແໃ६ʹॻ͖׵͑ͯ΋ূڌ͕࢒Δ τϥϯβΫγϣϯ ୆ா υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ Ethereum ( ) → — — 2023-06-28 – p.24/36
  15. ( ) (by ) (since 1984) ( ) ( )

    ( ) . . . ( ) Diem ( Libra) — — 2023-06-28 – p.26/36
  16. ( ) ( ) ( ) ( , ) (

    ) ( ) (by ) — — 2023-06-28 – p.27/36
  17. : ⇒ LINE → → ( ) ( ) ⇒

    ( ) → → → . . . — — 2023-06-28 – p.28/36
  18. — 1. ( ) 2. ( ) 3. ( )

    — — 2023-06-28 – p.30/36
  19. ( ) → (AI ) → ← → → /

    / — — 2023-06-28 – p.35/36