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

2023年2月8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。

Transcript

1. 90 Chief Science Officer / ks91@blockchainhub.co.jp — — 2023-02-08 – p.1/36
2. https://speakerdeck.com/ks91 — — 2023-02-08 – p.2/36
3. ( ) SFC ( ) CSO (Chief Science Officer) 1993 ( ) 2006 ( ) SFC 22 P2P (Peer-to-Peer) 2011 ( ) 2018 2019 VR 2021.7 VR 2021.8 “ALL THESE WORLDS ARE YOURS” VR 2021.9 & VR 2022.3 2023 AI → ( ) — — 2023-02-08 – p.3/36
4. — — 2023-02-08 – p.4/36
5. ( ) ( ){ | } — — 2023-02-08 – p.5/36
6. ( ) ≥ ( / ) ( : TV ) — — 2023-02-08 – p.6/36
7. . . . Bitcoin YouTuber ( ) ( ) ( ) ( ) Bitcoin ( ) YouTube, Zoom, etc. ??? YouTube Zoom ( ) — — 2023-02-08 – p.7/36
8. ↓ (1) ( ) (2) (3) ( ) — — 2023-02-08 – p.8/36
9. /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 ( ), etc. — — 2023-02-08 – p.9/36
10. / (1) 2,100 cm3 (cc) 1 1cm3 10 6.25cm3 ⇒ ⇒ ( ) — — 2023-02-08 – p.10/36
11. / (2) ( ) ( ) ( ) ( ) ( ) → ( ) — — 2023-02-08 – p.11/36
12. ∼ UTXO (= ) → — — 2023-02-08 – p.12/36
13. ∼ ท൪߸
    
    O ท൪߸
    
    O  ท൪߸
    
    O  લทͷμΠδΣετ λʔήοτҎԼͰͳ͍ͱ͍͚ͳ͍ ͸Έͩ͠ίʔφʔ μΠδΣετ͕λʔήοτҎԼʹͳΔΑ͏ʹೖΕΔద౰ͳ಺༰ ( ) → — — 2023-02-08 – p.13/36
14. ∼ ϖʔδ൪߸
    
    O ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ͬͪ͜ͷྺ࢙͕༗ޮ ( ) — — 2023-02-08 – p.14/36
15. /DLT ਖ਼౰ੑͷอূ ྫ
    
    6590
    ߏ଄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 — — 2023-02-08 – p.15/36
16. : ( ( ) ) — — 2023-02-08 – p.16/36
17. (Hyperledger ) ( ) ( ) ( ) ( ) IoT / / ( , ) — — 2023-02-08 – p.17/36
18. : . . . : Proof of Existence, Everledger, . . . ( ) ( ) / × = NFT (Non Fungible Token) — — 2023-02-08 – p.18/36
19. (1) — — 2023-02-08 – p.19/36
20. (2) ( ) ( ) ( ) — — 2023-02-08 – p.20/36
21. ( ) ( ) / ( ) : : , ← W3C Verifiable Credentials — — 2023-02-08 – p.21/36
22. — — 2023-02-08 – p.22/36
23. ( ) ( ) ( vs. ) ( ) ( ) ( ) ⇒ ( : BBc-1) DLT : : — — 2023-02-08 – p.23/36
24. / Bitcoin, Ethereum DLT BBc-1 ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ެڞۭؒ ɾτϥϯβΫγϣϯͷূڌΛແؔ܎ͳྺ࢙͕อ༗ ɾͲΕ͔ͷ୆ாΛແໃ६ʹॻ͖׵͑ͯ΋ূڌ͕࢒Δ τϥϯβΫγϣϯ ୆ா υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ Ethereum ( ) → — — 2023-02-08 – p.24/36
25. — — 2023-02-08 – p.25/36
26. ( ) (by ) (since 1984) ( ) ( ) ( ) . . . ( ) Diem ( Libra) — — 2023-02-08 – p.26/36
27. ( ) ( ) ( ) ( , ) ( ) ( ) (by ) — — 2023-02-08 – p.27/36
28. : ⇒ LINE → → ( ) ( ) ⇒ ( ) → → → . . . — — 2023-02-08 – p.28/36
29. ( ( )) ( ) / / — — 2023-02-08 – p.29/36
30. — 1. ( ) 2. ( ) 3. ( ) — — 2023-02-08 – p.30/36
31. → 30 : × — — 2023-02-08 – p.31/36
32. Amazon Go → — — 2023-02-08 – p.32/36
33. ( JPY ) (MUFG) S (CBDC) (“Cause-Oriented Economy”) cf. ChatGPT ⇒ — — 2023-02-08 – p.33/36
34. (4 ) ( ) — — 2023-02-08 – p.34/36
35. ( ) → (AI ) → ← → → / / — — 2023-02-08 – p.35/36
36. — — 2023-02-08 – p.36/36