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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 ...
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Kenji Saito
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December 06, 2022
Technology
0
240
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
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December 06, 2022
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Transcript
13 ( V) — 2022-12-06 – p.1/33
https://speakerdeck.com/ks91 — 2022-12-06 – p.2/33
— 2022-12-06 – p.3/33
( ) 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
: Bitcoin, Ethereum, Smart Contracts, DeFi (Decentralized Finance), NFT (Non-Fungible
Token), DAO (Decentralized Autonomous Organization), Web3 Q & A — 2022-12-06 – p.5/33
(1) (2) ( ) — 2022-12-06 – p.6/33
. . . 54 2016 ( 1 ) — 2022-12-06
– p.7/33
— 2022-12-06 – p.8/33
(1) ( ) 3 — 2022-12-06 – p.9/33
(2) ↓ (1) (2) ( ) (3) ( ) bitcoin
— 2022-12-06 – p.10/33
. . . — 2022-12-06 – p.11/33
( ) = = DoS (Denial of Service) : .
. . ( : ) ( ) . . . . . . . . . ⇒ — 2022-12-06 – p.12/33
⇒ ( ) . . . . . . (
) — 2022-12-06 – p.13/33
߹ҙ͞Εͨਖ਼࢙ ϩʔΧϧʹෳΛҡ࣋
ϒϩοΫ ҉߸ֶతμΠδΣετ ϒϩοΫνΣʔϯͷҡ࣋ࢀՃऀ͕ϩʔΧϧʹཧ͢Δσʔλۭؒ ࣌ؒ ΑΓ৽͍͠ه τϥϯβΫγϣϯ ΦϒδΣΫτͷੜ ·ͨϝοηʔδ ܨ͙ͨΊʹίετ͕͔͔Δ 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
— ( ) 1. ( ) 2. ( ) 3.
( ) — 2022-12-06 – p.15/33
DeFi, NFT, DAO ( DoS ) ( ) — 2022-12-06
– p.16/33
DeFi ( ) DeFi : Decentralized Finace (DEX) : (1
) — 2022-12-06 – p.17/33
NFT ( ) NFT : Non-Fungible Token ( ) (1
) → fungible token (1 ) → NFT NFT — 2022-12-06 – p.18/33
NFT ( ) τʔΫϯ *% ൪߸ 63* ΞυϨε 63* /'5
Ұҙ Ұҙʁ Ұҙʁ Ұҙʁ Ұҙ ࣄ্࣮Ұҙ ϝλσʔλ ίϯτϥΫτͱ͍͏ఆٛҬ ˞ͦͷίϯτϥΫτͱ͍͏ఆٛҬͷதͰ ɹ࣮ઢҹͰࣔͨ͠ҰҙੑΛอূ͢Δʹա͗ͳ͍ ˞ഁઢҹͰࣔͨ͠Ұҙੑɺ࣮ɾӡ༻ͷ࣍ୈͰอূͰ͖Δɻ ɹྫ͑ɺ63- ͕ͦΕ͕ࢦ͢Ϧιʔεͷ҉߸ֶతμΠδΣετΛؚΉ ɹ ྫ *1'4 ͷར༻ ͜ͱͰʮ63*ˠσʔλʯͷҰҙੑΛอͯΔɻ ˞63* 6OJGPSN3FTPVSDF*EFOUJpFS౷Ұࢿݯࣝผࢠ ͱͯ͠ ɹ63- 6OJGPSN3FTPVSDF-PDBUPS౷ҰࢿݯҐஔࢦఆࢠ ͕Α͘༻͍ΒΕΔɻ ରσʔλ ը૾ ॴ༗ऀ ϝλσʔλ 63* ରσʔλ 63* ൿີ伴 Ұҙ Ұҙʁ — 2022-12-06 – p.19/33
NFT NFT . . . NFT ( ) ↑ ID
. . . NFT — 2022-12-06 – p.20/33
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
DAO (1) ( ) (2) (3) . . . (a)
( ) (b) ( ) https://medium.com/coinmonks/beanstalk-exploit-a-simplified-post-mortem-analysis-92e6cdb17ace — 2022-12-06 – p.22/33
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
Web 1-2-3 ͍ΘΏΔ 8FC 8FC 888ਖ਼࢙తͳྲྀΕ ۚ༥ແؔ Ϣʔβ͕ࣗ؆୯ʹσʔλͷੜ࢈ऀʹ ͪΐͬͱ ͕ζϨΔ
͔ͳΓ ͕ζϨΔ ࢭ༲ 8FC ˠXFC 8FC Ϣʔβࣗͱ ެӹͷͨΊʹ σʔλࣗ༝ʹ ׆༻Ͱ͖͍ͯΔ͔ʁ σʔλΛΦϨͨͪͷ खʹऔΓͤʂ 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
— 2022-12-06 – p.25/33
SAY NO TO BULLSHIT JOBS David Graeber, “Bullshit Jobs: A
Theory” (2018) ← . . . (4 ) ( ) ( ) — 2022-12-06 – p.26/33
Alexa, ত࣌ ੈلޙ ࣾձγεςϜ ࣾձڥ ػց ٕज़ ਓؒ ࣗಈγεςϜ ྩ࣌
ੈلલ ిؾ͚ͭͯ ͍ ͍ ిؾ͚ͭͯ ͜ͷ݅ͷͱ͖ ٕज़Ͱ͋Γࣾձڥˠࣗવڥ ਓ ⇒ ( ) — 2022-12-06 – p.27/33
(tetrad) = ( ) = ( ) + ( )
4 : ? : ? : ? : ? — — 2022-12-06 – p.28/33
(4 ) (DX ) ( ) — 2022-12-06 – p.29/33
(cyborg) = (cybernetic) (organism) 1 : ← 2 : ⇒
(1) (2) ⇒ ← — 2022-12-06 – p.30/33
ࠃʹΑΔ ҆શอো ՟ฎ ࢢ ۀࣾձ ઐੑͷ Խ ࢧ ࣋ ࢧ
࣋ ࢧ࣋ %9 ۚ༥ ൃߦ ೲ੫ ࣗಈԽɾޮԽɾຽओԽ ࣗಈԽɾ ޮԽɾ ຽओԽ ࣗಈԽɾ ޮԽɾ ຽओԽ ઐະԽʂ — 2022-12-06 – p.31/33
100 50 ( 50 ) / (Bitcoin ) . .
. — 2022-12-06 – p.32/33
— 2022-12-06 – p.33/33