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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

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。

Kenji Saito
PRO

December 06, 2022
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  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 ɹ࣮ઢ໼ҹͰࣔͨ͠ҰҙੑΛอূ͢Δʹա͗ͳ͍ ˞ഁઢ໼ҹͰࣔͨ͠Ұҙੑ͸ɺ࣮૷ɾӡ༻ͷ޻෉࣍ୈͰอূͰ͖Δɻ ɹྫ͑͹ɺ63- ͕ͦΕ͕ࢦ͢Ϧιʔεͷ҉߸ֶతμΠδΣετΛؚΉ ɹ ྫ *1'4 ͷར༻ ͜ͱͰʮ63*ˠσʔλʯͷҰҙੑΛอͯΔɻ ˞63* 6OJGPSN3FTPVSDF*EFOUJpFS౷Ұࢿݯࣝผࢠ ͱͯ͠͸ ɹ63- 6OJGPSN3FTPVSDF-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 888ਖ਼࢙తͳྲྀΕ ۚ༥͸ແؔ܎ Ϣʔβࣗ਎͕؆୯ʹσʔλͷੜ࢈ऀʹ ͪΐͬͱ ࿩͕ζϨΔ

    ͔ͳΓ ࿩͕ζϨΔ ࢭ༲  8FC ˠXFC           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؀ڥˠࣗવ؀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