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

2021年8月18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「ブロックチェーン技術概論」にて使用したスライドです。

Transcript

1. 90 Chief Science Officer / ks91@blockchainhub.co.jp — — 2021-08-18 – p.1/38
2. https://speakerdeck.com/ks91 — — 2021-08-18 – p.2/38
3. ( ) SFC ( ) CSO (Chief Science Officer) 1993 ( ) 2006 ( ) SFC 20 P2P (Peer-to-Peer) ( 2019 9 ) 2011 2018 2019 VR 2021.5 , VR 2021.7 , VR 2021.8 “PREFAB THE WORLDS”, VR 2021.8 “ALL THESE WORLDS ARE YOURS” ( ) → ( ) — — 2021-08-18 – p.3/38
4. (1) 2020 9 60 (2020) : ( ) . . . — — 2021-08-18 – p.4/38
5. (2) (2020) : ( ) — — 2021-08-18 – p.5/38
6. — — 2021-08-18 – p.6/38
7. ( ) ( )( ) — — 2021-08-18 – p.7/38
8. ( ) ≥ ( / ) ( : TV ) — — 2021-08-18 – p.8/38
9. . . . YouTuber ( ) ( ) ( ) YouTube, Zoom, etc. ??? YouTube Zoom — — 2021-08-18 – p.9/38
10. ↓ (1) ( ) (2) (3) ( ) — — 2021-08-18 – p.10/38
11. /LT(Ledger Technology) ( ) Bitcoin ( ) Open Assets Protocol (OAP) ( ) Ethereum ( ) ( ) Polkadot (Ethereum 2.0 LT ) ( / LT) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth (Intel), Iroha ( ), Indy (Sovrin), Besu (ConsenSys) Corda (R3), BBc-1 ( ), etc. — — 2021-08-18 – p.11/38
12. / (1) 2,100 cm3 (cc) 1 1cm3 10 6.25cm3 ⇒ ⇒ ( ) — — 2021-08-18 – p.12/38
13. / (2) ( ) ( ) ( ) ( ) ( ) → ( ) — — 2021-08-18 – p.13/38
14. ∼ UTXO (= ) → — — 2021-08-18 – p.14/38
15. ∼ ท൪߸
    
    O ท൪߸
    
    O  ท൪߸
    
    O  લทͷμΠδΣετ λʔήοτҎԼͰͳ͍ͱ͍͚ͳ͍ ͸Έͩ͠ίʔφʔ μΠδΣετ͕λʔήοτҎԼʹͳΔΑ͏ʹೖΕΔద౰ͳ಺༰ ( ) → — — 2021-08-18 – p.15/38
16. ∼ ϖʔδ൪߸
    
    O ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ϖʔδ൪߸
    
    O  ͬͪ͜ͷྺ࢙͕༗ޮ ( ) — — 2021-08-18 – p.16/38
17. /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 — — 2021-08-18 – p.17/38
18. : ( ( ) ) — — 2021-08-18 – p.18/38
19. (Hyperledger ) ( ) ( ) ( ) ( ) IoT / / ( , ) — — 2021-08-18 – p.19/38
20. : . . . : Proof of Existence, Everledger, . . . ( ) ( ) / × = — — 2021-08-18 – p.20/38
21. (1) — — 2021-08-18 – p.21/38
22. (2) ( ) ( ) ( ) — — 2021-08-18 – p.22/38
23. ( ) ( ) / ( ) : : , ← W3C Verifiable Credentials — — 2021-08-18 – p.23/38
24. — — 2021-08-18 – p.24/38
25. ( ) ( ) ( vs. ) ( ) ( ) ( ) ⇒ ( : BBc-1) DLT : : — — 2021-08-18 – p.25/38
26. / Bitcoin, Ethereum DLT BBc-1 ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ެڞۭؒ ɾτϥϯβΫγϣϯͷূڌΛແؔ܎ͳྺ࢙͕อ༗ ɾͲΕ͔ͷ୆ாΛແໃ६ʹॻ͖׵͑ͯ΋ূڌ͕࢒Δ τϥϯβΫγϣϯ ୆ா υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ Ethereum ( ) → — — 2021-08-18 – p.26/38
27. — — 2021-08-18 – p.27/38
28. ( ) (by ) (since 1984) ( ) ( ) ( ) . . . ( ) Diem ( Libra) — — 2021-08-18 – p.28/38
29. ( ) ( ) ( ) ( , ) ( ) ( ) (by ) — — 2021-08-18 – p.29/38
30. : ⇒ LINE → → ( ) ( ) ⇒ ( ) → → → . . . — — 2021-08-18 – p.30/38
31. ( ( )) ( ) / / — — 2021-08-18 – p.31/38
32. — 1. ( ) 2. ( ) 3. ( ) — — 2021-08-18 – p.32/38
33. → 30 : × — — 2021-08-18 – p.33/38
34. Amazon Go → — — 2021-08-18 – p.34/38
35. ( JPY ) (MUFG) J S (“Cause-Oriented Economy”) ⇒ — — 2021-08-18 – p.35/38
36. (4 ) ( ) — — 2021-08-18 – p.36/38
37. ( ) → (AI ) → ← → → / / — — 2021-08-18 – p.37/38
38. — — 2021-08-18 – p.38/38