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ブロックチェーンと近未来の金融システムの不在 / Blockchain and the Abs...

Kenji Saito
December 05, 2023

ブロックチェーンと近未来の金融システムの不在 / Blockchain and the Absence of Near-Future Financial Systems

2023年12月5日(火) 東京大学で開催された近未来金融システム創造プログラム第13回で試用したスライドです。

Kenji Saito

December 05, 2023
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  1. A X M. MIT 2013 LEGO X A A X

    A X X X (2013 ) ⇒ 10 Open Interpreter A . . . 1 — 2023-12-05 – p.3/39
  2. ( ) ( ) SFC ( ) CSO (Chief Science

    Officer) 1993 ( ) 2006 ( ) SFC 23 P2P (Peer-to-Peer) 2011 ( ) 2018 2019 VR 2021.9 & VR 2022.3 2023 AI VR&RPG 2023.5 “Don’t Be So Serious” VOXEL 2023.7 DAZE 2023 In Maker Faire Tokyo 2023 → ( ) — 2023-12-05 – p.5/39
  3. Web3 Web3 Web3 . . . “Amazing. Every word of

    what you just said was wrong.” — Luke Skywalker — 2023-12-05 – p.7/39
  4. Web 1-2-3 ͍ΘΏΔ 8FC 8FC ໰୊ͷۚ༥Խ Ϣʔβࣗ਎͕ʮ؆୯ʹʯσʔλͷੜ࢈ऀʹ ΋͏ͻͱͭ ͷࢭ༲ ࢭ༲

    4FNBOUJD8FC  l8FCzॳग़   8FC ˠ8FC           8FC ૊৫ʹ ؅ཧͤͣ͞ɺ σʔλΛϢʔβͷ खʹऔΓ໭ͦ͏ ͢΂ͯͷ໰୊͸ ͢΂ͯΛ ۚ༥τʔΫϯԽͯ͠ ղܾ͠Α͏ #FSOFST-FF ͷ #FSOFST-FF ͷ 0` 3FJMMZ ͷ 8PPE ͷ #JUDPJO ε ϊ ồ σ ϯ ࣄ ݅ Ϧ ồ Ϛ ϯ ɾ γ ἀ ỽ Ϋ Π ϯ λ ồ ω ỽ τ ঎ ༻ Խ &UIFSFVN 4PMJE ϓϩδΣΫτ΁ Ϣʔβࣗ਎ͱ ެӹͷͨΊʹ σʔλ͸ࣗ༝ʹ ׆༻Ͱ͖͍ͯΔ͔ʁ — 2023-12-05 – p.8/39
  5. Web 3.0 Web3 Web 1.0 (Berners-Lee) : Read × Write

    → Web 2.0 (O’Reilly) : Read × Write ← (Web 1.0 ) Web 3.0 (Berners-Lee) → Solid (Social linked data) Web 3.0 → Web3 (Wood) Ethereum ← web3.js, web3.py Web3 (Dixon) : Read × Write × Own (Bloomberg) — 2023-12-05 – p.9/39
  6. 1 Ethereum Python 3 Python 3.9 (3.9.18) Ethereum Görli ETH

    0.001 ETH “.brownie/network-config.yaml” Ethereum networks Sepolia - chainid: 11155111 explorer: https://api-sepolia.etherscan.io/api host: https://sepolia.infura.io/v3/$WEB3_INFURA_PROJECT_ID id: sepolia multicall2: '0x5BA1e12693Dc8F9c48aAD8770482f4739bEeD696' name: Sepolia (Infura) provider: infura 4 Ethereum III Adam byGMO ( : 0xb30fC2D754C88c451275b743b6F530F19f643683) — 2023-12-05 – p.10/39
  7. : Bitcoin . . . : ( : ) (

    ) : : : ⇒ ⇒ — 2023-12-05 – p.12/39
  8. Ethereum        ߹ҙ͞Εͨཤྺ ϩʔΧϧʹෳ੡Λҡ࣋

    ϒϩοΫ εϩοτ  ඵִؒ  εϩοτͰ  ΤϙοΫ ҉߸ֶతμΠδΣετ ϒϩοΫνΣʔϯͷҡ࣋ࢀՃऀ͕ϩʔΧϧʹ؅ཧ͢Δσʔλۭؒ ࣌ؒ ΑΓ৽͍͠ه࿥ ΦϒδΣΫτ τʔΫϯγεςϜ౳ͷεϚʔτίϯτϥΫτ ֤Ϣʔβͷ ࢒ߴ౳ͷঢ়ଶ ঢ়ଶ` ঢ়ଶ`` τϥϯβΫγϣϯ ΦϒδΣΫτͷੜ੒ ·ͨ͸ঢ়ଶભҠͷࢦࣔ ແޮͳཤྺ ω ỽ τ ϫ ồ Ϋ Λ ௨ ͠ ͯ ૹ ड ৴ ͞ Ε Δ ϩ ồ Χ ϧ ʹ ࣋ ͭ ܨ͙ͨΊʹ͸&5) Ͱͷσϙδοτͱ σϙδοτ૯ֹͷ ♤ ૬౰ͷϢʔβʹΑΔ ΤϙοΫ΁ͷূݴ͕ඞཁ શΦϒδΣΫτͷભҠޙͷঢ়ଶ ͕ϋογϡ໦˞ʹू໿͞Ε ͦͷ ϧʔτ஋͕ϒϩοΫʹॻ͔ΕΔ ঢ়ଶભҠ ˞ϋογϡ໦σʔλ܈ͷ҉߸ֶతμΠδΣετ ϋογϡ ɹΛ໦ߏ଄ʹදݱͨ͠΋ͷͰ ෆ੔߹ͷݕग़ʹ༻͍ΒΕΔ ETH ( ) ⇒ ETH = Ethereum Virtual Machine (EVM) 2 3 ETH ⇒ ETH — 2023-12-05 – p.13/39
  9. &UIFSFVNωοτϫʔΫ  &7. &0" &5) ࢒ߴ &5) (BT εϚʔτ ίϯτϥΫτ

    ϝοηʔδʹΑΔ ݺͼग़͠ τϥϯβ Ϋγϣϯ ॺ໊ͯ͠ ౤ೖ ϒϩοΫʹ ૊ΈࠐΈˠ όϦσʔλ Ϣʔβ ॲ ཧ ˞(BT ͸ܭࢉࢿݯͷྔΛද͢ ˞(BT ࢖༻ྉΛ &5) Ͱࢧ෷͏Ϣʔβ͕τϥϯβΫγϣϯΛ౤ೖ͠ͳ͍ݶΓ ɹεϚʔτίϯτϥΫτ͸ಈ࡞͠ͳ͍ ( ) . . . Ethereum (EVM) ETH ↑ DAO — 2023-12-05 – p.14/39
  10. / / (1) Ethereum : PROOF-OF-STAKE (POS), Eth2Book ( )

    Bitcoin ( OK) 1 — 2023-12-05 – p.15/39
  11. / / (2) 3 (1) (2) ( ) · (3)

    ( ) ( ) 1 — 2023-12-05 – p.16/39
  12. / / (3) ( ) ( ) 1 ( )

    1,500 3,000 Ethereum 2022 9 — 2023-12-05 – p.17/39
  13. / / (4) Gwei Gwei ETH 32 ETH ( )

    ETH ETH · 32 ETH ( OK) · 16 ETH ( ) 12 ( ) ( ) 1 — 2023-12-05 – p.18/39
  14. / / (5) 32 1 (384 ) ( ) (

    ) 2 3 ( ) 256 512 — 2023-12-05 – p.19/39
  15. / / (6) ( ← ) 5 ( ) 2

    3 (36 ) — 2023-12-05 – p.20/39
  16. / / (7) ( ) ( ) DAO (RANDAO) (

    ) 1 2 — 2023-12-05 – p.21/39
  17. NFT (Non-Fungible Token) 1 → ( ) → ( )

    ( ) ( ) NFT NFT — 2023-12-05 – p.22/39
  18. ERC-721 NFT τʔΫϯ *% ൪߸ 63- ΞυϨε 63- /'5 Ұҙ

    Ұҙʁ Ұҙʁ Ұҙ ࣄ্࣮ Ұҙ ެ։伴ͷ μΠδΣετ ϝλσʔλ ίϯτϥΫτͱ͍͏ఆٛҬ ˞ͦͷίϯτϥΫτͱ͍͏ఆٛҬͷதͰ ࣮ઢ໼ҹͰࣔͨ͠ҰҙੑΛอূ͢Δʹա͗ͳ͍ ˞ഁઢ໼ҹͰࣔͨ͠Ұҙੑ͸ ࣮૷ɾӡ༻ͷ޻෉࣍ୈͰอূͰ͖Δ ɹྫ͑͹ 63- ʹͦΕ͕ࢦ͢Ϧιʔεͷ҉߸ֶతμΠδΣετΛؚΊΔ͜ͱ ྫ *1'4 ͷར༻ ʹΑΓ ɹ ʮ63-ˠσʔλʯͷҰҙੑΛอͯΔ ͦͷ৔߹Ͱ΋ʮσʔλˠ63-ʯͷҰҙੑ͸ແ͍ ର৅σʔλ ը૾౳ ॴ༗ऀ ϝλσʔλ 63- ର৅σʔλ 63- ൿີ伴 Ұҙ Ұҙʁ Ϣʔβ Ұҙʁ — 2023-12-05 – p.23/39
  19. NFT σʔλ " ϒϩοΫνΣʔϯ #⒩ ʜ ʜ ϒϩοΫνΣʔϯ #⒪ ʜ

    ʜ εϚʔτίϯτϥΫτ $⒩ εϚʔτίϯτϥΫτ $⒪ ಛఆͷετϨʔδ ˞Ͳ͜ʹஔ͔ΕΑ͏ͱ΋ ɹ౳͍͠σʔλ͸ಉ͡΋ͷ ϒϩοΫνΣʔϯ͕ಉ͡Ͱ΋ҟͳͬͯ ͍ͯ΋ εϚʔτίϯτϥΫτ͕ҟͳ ΔΠϯελϯεͳΒఆٛҬ͸ผͱͳΔ ଟ͘ͷ৔߹ ې͡ΒΕͳ͍ ېࢭͰ͖ͳ͍ ˞/'5 ͕σʔλΛࢦ͢ํࣜͱσʔλΛ֨ೲ͢Δํࣜ͸ σʔλͷՄ༻ੑ͸ҟͳΔͱͯ͠΋ҰҙੑʹؔΘΔੑ࣭͸มΘΒͳ͍ ಉҰ εϚʔτίϯτϥΫτ $⒫ εϚʔτίϯτϥΫτ $⒬ /'5⒩ /'5⒪ /'5⒫ /'5⒬ /'5⒮ /'5⒭ σʔλ "  ېͣΔΑ͏ͳ ઃܭ͸ίετߴ ېࢭͰ͖ͳ͍ — 2023-12-05 – p.24/39
  20. NFT NFT Ethereum NFT NFT Ethereum Lazy Minting (?) (

    ) (Gas ) ( ) — 2023-12-05 – p.25/39
  21. DAO ಺෦ࢿຊˢ͋Δ ɹɹɹɹˣͳ͍ தԝʹࣗಈ ɹɹɹɹɹWT ɹɹɹɹɹɹதԝʹਓؒ ׬શͳ "* σʔϞϯ˞ ϑΥʔϥϜ˞

    XFC αʔϏε ϩϘοτΛ࢖໾ %"0 %"QQ˞ ݹయత૊৫ ɹɹɹɹɹपลʹਓؒ ɹɹɹɹWT पลʹࣗಈ ˞%"QQεϚʔτίϯτϥΫτʹΑΔΞϓϦέʔγϣϯ %FDFOUSBMJ[FE"QQ ˞ϑΥʔϥϜਓʑ͕ಛఆͷ࿩୊ʹ͍ͭͯٞ࿦ͨ͠Γ৘ใΛަ׵ͨ͠Γ͢Δ৔ ˞σʔϞϯόοΫάϥ΢ϯυͰՔಇ͠ ΠϕϯτʹࣗಈతʹରԠ͢ΔϓϩάϥϜ . . . Buterin DAO (2014) — 2023-12-05 – p.27/39
  22. DAO Bitcoin DAO → DAO Ethereum DAO → . .

    . DAO ( ) ( ) DAO → . . . ( ) ↑ ( ) ← — 2023-12-05 – p.28/39
  23. — ( . . . ) Web 1.0 · DAO

    Web 2.0 . . . 1600 ( ) — 2023-12-05 – p.29/39
  24. SAY NO TO BULLSHIT JOBS David Graeber, “Bullshit Jobs: A

    Theory” (2018) ← . . . (4 ) ( ) ( ) — 2023-12-05 – p.31/39
  25. Alexa, ত࿨࣌୅ ੈلޙ൒ ࣾձγεςϜ ࣾձ؀ڥ ػց ٕज़ ਓؒ ࣗಈγεςϜ ྩ࿨࣌୅

    ੈلલ൒ ిؾ͚ͭͯ ͸͍ ͸͍ ిؾ͚ͭͯ ͜ͷ৚݅ͷͱ͖ ٕज़Ͱ͋Γࣾձ؀ڥˠࣗવ؀ڥ ਓ ⇒ ( ) — 2023-12-05 – p.32/39
  26. (tetrad) = ( ) = ( ) + ( )

    4 : ? : ? : ? : ? — — 2023-12-05 – p.34/39
  27. (cyborg) = (cybernetic) (organism) 1 : ← 2 : ⇒

    (1) (2) ⇒ ← — 2023-12-05 – p.36/39
  28. 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 — 2023-12-05 – p.37/39