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ブロックチェーンと金融システム / Blockchain and Financial Systems
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Kenji Saito
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December 04, 2018
Technology
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ブロックチェーンと金融システム / Blockchain and Financial Systems
2018年12月4日(火)、東京大学にて開催された「近未来金融システム創造プログラム– 金融と技術 (各論)」でのゲスト講義にて使用したスライドです。
Kenji Saito
PRO
December 04, 2018
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Transcript
– ( IV) SFC ( )
[email protected]
— 2018-12-04 –
p.1/26
( ) SFC ( ) CSO (Chief Science Officer) 1993
( ) 2006 ( ) SFC 18 P2P (Peer-to-Peer) 2011 SFC 2018 → ( ) — 2018-12-04 – p.2/26
(2017) : SF + + SF (2048 ) 2048 —
2018-12-04 – p.3/26
— 2018-12-04 – p.4/26
/ ਖ਼ੑͷอূ ྫ6590ߏͱσδλϧॺ໊ ଘࡏੑͷূ໌ ྫ࡞ۀূ໌͖ϋογϡνΣʔϯ །Ұੑͷ߹ҙ ྫφΧϞτɾίϯηϯαε ϧʔϧͷهड़ ྫ#5$ͷҠస ɾ
τϥϯβΫγϣϯͷ༰͕վ͟ΜͰ͖ͣɺ ɾ ͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺ ɾ ͔ͭɺਖ਼ͳϢʔβʹΑΓೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δ ɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺ ɾ ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻Ͱ͖ͳ͍ ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕ೖ͞Εͨ߹ɺ ɹ ͍ͣΕ ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔ ɾΞϓϦέʔγϣϯϩδοΫ Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ ( ) — 2018-12-04 – p.5/26
/ ਖ਼ੑͷอূ ྫ6590ߏͱσδλϧॺ໊ ଘࡏੑͷূ໌ ྫ࡞ۀূ໌͖ϋογϡνΣʔϯ །Ұੑͷ߹ҙ ྫφΧϞτɾίϯηϯαε ϧʔϧͷهड़ ྫ#5$ͷҠస ɾ
τϥϯβΫγϣϯͷ༰͕վ͟ΜͰ͖ͣɺ ɾ ͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺ ɾ ͔ͭɺਖ਼ͳϢʔβʹΑΓೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δ ɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺ ɾ ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻Ͱ͖ͳ͍ ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕ೖ͞Εͨ߹ɺ ɹ ͍ͣΕ ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔ ɾΞϓϦέʔγϣϯϩδοΫ Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ σδλϧॺ໊ͰͰ͖Δʂ τϥετʹཔΔඞཁ͕͋ͬͨʂ ઃܭʹΑͬͯෆཁʹͰ͖Δʂ ΞϓϦέʔγϣϯʂ ( ) — 2018-12-04 – p.5/26
→ 1 : ( ) ↑ → → → 2
: ( ) ( ) → — 2018-12-04 – p.6/26
( ) ( ) / ( ) : — 2018-12-04
– p.7/26
⇒ ( ) : & P2P, etc. — 2018-12-04 –
p.8/26
⇒ CSV OK — 2018-12-04 – p.9/26
. . . ( : ) ( : ) ↑
P2P (Ethereum ) — 2018-12-04 – p.10/26
/ YouTube Skype — 2018-12-04 – p.11/26
/ Bitcoin, Ethereum DLT BBc-1 ( ) ( ) (
) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) (+ ) ެڞۭؒ ɾτϥϯβΫγϣϯͷূڌΛແؔͳྺ࢙͕อ༗ ɾͲΕ͔ͷாΛແໃ६ʹॻ͖͑ͯূڌ͕Δ τϥϯβΫγϣϯ ா υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ Ethereum ( ) — 2018-12-04 – p.12/26
PoW/(D)PoS PoCX ( ) PoW (Proof of Work; ) /
( ) ( ) (D)PoS ((Delegated) Proof of Stake; ( ) ) ( ) ⇒ ( → / ) PoCX (Proof of Context; ) ( ) ( ) ( ) — 2018-12-04 – p.13/26
( ) — 2018-12-04 – p.14/26
: ⇒ LINE → → ( ) ( ) ⇒
→ → → — 2018-12-04 – p.15/26
( ) ( ) ( ) . . . (
) . . . — 2018-12-04 – p.16/26
( ) ( ) / / ( ) — 2018-12-04
– p.17/26
— ( ) 1. ( ) 2. ( ) 3.
( ) — 2018-12-04 – p.18/26
— 2018-12-04 – p.19/26
(cyborg) = (cybernetic) (organism) 1 : ← 2 : ⇒
AI AI — 2018-12-04 – p.20/26
(4 ) — 2018-12-04 – p.21/26
(4 ) ( ) — 2018-12-04 – p.22/26
→ (AI ) → ← → → / / —
2018-12-04 – p.23/26
Twitter — @tsuchi_yami ( ) → SF — 2018-12-04 –
p.24/26
{ | } ࠃՈ ՟ฎ ઐԽ ɾ੫ۚͷΈʹΑΓ ɹࢧ͖͑ͯͨ 㱺͔͠͠ެڞΛ ɹ࣮ݱ͢Δํ๏ʹ
ɹมԽͷஹ͠ ɾ҆શอোʹΑΓ ɹࢧ͖͑ͯͨ 㱺͔͠͠ઐੑʹଇΒͳ͍ ɹܦࡁ͕ੜ·ΕΔஹ͠ ɾަͷඞཁੑʹΑΓࢧ͖͑ͯͨ 㱺͔͠͠ࢲ༗͔Βڞ༗ɾڞ༻ʹ͚ͨมԽͷஹ͠ — 2018-12-04 – p.25/26
( ) AI → : — 2018-12-04 – p.26/26