ブロックチェーンと近未来の金融システム / Blockchain and Financial System of the Near Future

2022年12月6日(火)、東京大学「近未来金融システムの創成」第13 回「金融と技術(各論 V)」にて使用したスライドです。

Transcript

1. 13 ( V) — 2022-12-06 – p.1/33
2. https://speakerdeck.com/ks91 — 2022-12-06 – p.2/33
3. — 2022-12-06 – p.3/33
4. ( ) 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 2021.12 VR 2022.3 VR 2022.8 → ( ) — 2022-12-06 – p.4/33
5. : Bitcoin, Ethereum, Smart Contracts, DeFi (Decentralized Finance), NFT (Non-Fungible Token), DAO (Decentralized Autonomous Organization), Web3 Q & A — 2022-12-06 – p.5/33
6. (1) (2) ( ) — 2022-12-06 – p.6/33
7. . . . 54 2016 ( 1 ) — 2022-12-06 – p.7/33
8. — 2022-12-06 – p.8/33
9. (1) ( ) 3 — 2022-12-06 – p.9/33
10. (2) ↓ (1) (2) ( ) (3) ( ) bitcoin — 2022-12-06 – p.10/33
11. . . . — 2022-12-06 – p.11/33
12. ( ) = = DoS (Denial of Service) : . . . ( : ) ( ) . . . . . . . . . ⇒ — 2022-12-06 – p.12/33
13. ⇒ ( ) . . . . . . ( ) — 2022-12-06 – p.13/33
14.         ߹ҙ͞Εͨਖ਼࢙ ϩʔΧϧʹෳ੡Λҡ࣋ ϒϩοΫ ҉߸ֶతμΠδΣετ ϒϩοΫνΣʔϯͷҡ࣋ࢀՃऀ͕ϩʔΧϧʹ؅ཧ͢Δσʔλۭؒ ࣌ؒ
    ΑΓ৽͍͠ه࿥ τϥϯβΫγϣϯ ΦϒδΣΫτͷੜ੒
    ·ͨ͸ϝοηʔδ ܨ͙ͨΊʹ͸ίετ͕͔͔Δ ΦϒδΣΫτ τʔΫϯγεςϜ౳ ঢ়ଶભҠ ɹ ঢ় ଶ ม Խ ͷ ࢦ ࣔ ޱ࠲࢒ߴ౳ ɹͷঢ়ଶ ঢ়ଶ`  ϝ ỽ η ồ δ DAG(Directed Acyclic Graph; ) ( ) Bitcoin Ethereum 1 (PoW) (PoS) — 2022-12-06 – p.14/33
15. — ( ) 1. ( ) 2. ( ) 3. ( ) — 2022-12-06 – p.15/33
16. DeFi, NFT, DAO ( DoS ) ( ) — 2022-12-06 – p.16/33
17. DeFi ( ) DeFi : Decentralized Finace (DEX) : (1 ) — 2022-12-06 – p.17/33
18. NFT ( ) NFT : Non-Fungible Token ( ) (1 ) → fungible token (1 ) → NFT NFT — 2022-12-06 – p.18/33
19. NFT ( ) τʔΫϯ *% ൪߸ 63* ΞυϨε 63* /'5 Ұҙ Ұҙʁ Ұҙʁ Ұҙʁ Ұҙ ࣄ্࣮Ұҙ ϝλσʔλ ίϯτϥΫτͱ͍͏ఆٛҬ ˞
    ͦͷίϯτϥΫτͱ͍͏ఆٛҬͷதͰ ɹ
    ࣮ઢ໼ҹͰࣔͨ͠ҰҙੑΛอূ͢Δʹա͗ͳ͍ ˞
    ഁઢ໼ҹͰࣔͨ͠Ұҙੑ͸ɺ࣮૷ɾӡ༻ͷ޻෉࣍ୈͰอূͰ͖Δɻ ɹ
    ྫ͑͹ɺ63- ͕ͦΕ͕ࢦ͢Ϧιʔεͷ҉߸ֶతμΠδΣετΛؚΉ ɹ
    ྫ 
    *1'4 ͷར༻ ͜ͱͰʮ63*
    ˠ
    σʔλʯͷҰҙੑΛอͯΔɻ ˞
    63*
    6OJGPSN
    3FTPVSDF
    *EFOUJpFS
    ౷Ұࢿݯࣝผࢠ ͱͯ͠͸ ɹ
    63- 6OJGPSN
    3FTPVSDF
    -PDBUPS
    ౷ҰࢿݯҐஔࢦఆࢠ ͕Α͘༻͍ΒΕΔɻ ର৅σʔλ ը૾౳ ॴ༗ऀ ϝλσʔλ 63* ର৅σʔλ 63* ൿີ伴 Ұҙ Ұҙʁ — 2022-12-06 – p.19/33
20. NFT NFT . . . NFT ( ) ↑ ID . . . NFT — 2022-12-06 – p.20/33
21. DAO ( ) DAO : Decentralized Autonomous Organization Vitalik Buterin (Ethereum ) https://blog.ethereum.org/2014/05/06/daos-dacs-das-and-more-an-incomplete-terminology-guide/ (1) (2) ( ) (3) DAO . . . / — 2022-12-06 – p.21/33
22. DAO (1) ( ) (2) (3) . . . (a) ( ) (b) ( ) https://medium.com/coinmonks/beanstalk-exploit-a-simplified-post-mortem-analysis-92e6cdb17ace — 2022-12-06 – p.22/33
23. Web3 Web 1.0 ( ) ( ) Web 2.0 Web 1.0 ↔ Web 2.0 ⇒ Web 1.0 Berners-Lee Web 3.0 : ( ) Wood Web 3.0 (Web3) : Ethereum ( ) + ( ) Web3 : (???) ( ) — 2022-12-06 – p.23/33
24. Web 1-2-3 ͍ΘΏΔ 8FC 8FC 888
    ਖ਼࢙తͳྲྀΕ ۚ༥͸ແؔ܎ Ϣʔβࣗ਎͕؆୯ʹσʔλͷੜ࢈ऀʹ ͪΐͬͱ ࿩͕ζϨΔ ͔ͳΓ ࿩͕ζϨΔ ࢭ༲  8FC ˠ
    XFC           8FC Ϣʔβࣗ਎ͱ ެӹͷͨΊʹ σʔλ͸ࣗ༝ʹ ׆༻Ͱ͖͍ͯΔ͔ʁ σʔλΛΦϨͨͪͷ खʹऔΓ໭ͤʂ ૊৫ʹ ؅ཧͤ͞Δͳ ͢΂ͯͷ໰୊͸ ͢΂ͯΛ ۚ༥τʔΫϯԽͯ͠ ղܾ͠Ζ #FSOFST-FF ͷ #FSOFST-FF ͷ 0` 3FJMMZ ͷ 8PPE ͷ #JUDPJO &UIFSFVN — 2022-12-06 – p.24/33
25. — 2022-12-06 – p.25/33
26. SAY NO TO BULLSHIT JOBS David Graeber, “Bullshit Jobs: A Theory” (2018) ← . . . (4 ) ( ) ( ) — 2022-12-06 – p.26/33
27. Alexa, ত࿨࣌୅
    
     ੈلޙ൒ ࣾձγεςϜ ࣾձ؀ڥ ػց ٕज़ ਓؒ ࣗಈγεςϜ ྩ࿨࣌୅
    
     ੈلલ൒ ిؾ͚ͭͯ ͸͍ ͸͍ ిؾ͚ͭͯ ͜ͷ৚݅ͷͱ͖ ٕज़Ͱ͋Γࣾձ؀ڥ
    ˠ
    ࣗવ؀ڥ ਓ ⇒ ( ) — 2022-12-06 – p.27/33
28. (tetrad) = ( ) = ( ) + ( ) 4 : ? : ? : ? : ? — — 2022-12-06 – p.28/33
29. (4 ) (DX ) ( ) — 2022-12-06 – p.29/33
30. (cyborg) = (cybernetic) (organism) 1 : ← 2 : ⇒ (1) (2) ⇒ ← — 2022-12-06 – p.30/33
31. ࠃʹΑΔ ҆શอো ՟ฎ ࢢ৔ ෼ۀࣾձ ઐ໳ੑͷ ෼Խ ࢧ ࣋ ࢧ ࣋ ࢧ࣋ %9 ۚ༥ ൃߦ ೲ੫ ࣗಈԽɾޮ཰ԽɾຽओԽ ࣗಈԽɾ ޮ཰Խɾ ຽओԽ ࣗಈԽɾ ޮ཰Խɾ ຽओԽ ઐ໳ະ෼Խ΁ʂ — 2022-12-06 – p.31/33
32. 100 50 ( 50 ) / (Bitcoin ) . . . — 2022-12-06 – p.32/33
33. — 2022-12-06 – p.33/33