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ビヨンドブロックチェーンとその貨幣応用 / Beyond Blockchain and Monetary Medium Applications

ビヨンドブロックチェーンとその貨幣応用 / Beyond Blockchain and Monetary Medium Applications

2019年1月16日(水)、専修大学サテライトキャンパスにて開催されたグッドマネーラボ第1回セミナーでの講演にて使用したスライドです。

Kenji Saito

January 16, 2019
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  1. ԫۚظ͸աڈͰ͸ͳ͘ະདྷʹ͋Δɻ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻
    ܚጯٛक़େֶ SFC ݚڀॴ ্੮ॴһɾ؀ڥ৘ใֶ෦ ߨࢣ (ඇৗۈ)
    ੪౻ ݡ࣐
    [email protected]
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.1/49

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  2. ؆୯ͳࣗݾ঺հ
    ੪౻ ݡ࣐ (͍͞ͱ͏ ͚Μ͡)
    ܚጯٛक़େֶ SFC ݚڀॴ ্੮ॴһɾ؀ڥ৘ใֶ෦ ߨࢣ (ඇৗۈ)
    גࣜձࣾϒϩοΫνΣʔϯϋϒ CSO (Chief Science Officer)
    Ұൠࣾஂ๏ਓϏϤϯυϒϩοΫνΣʔϯ ୅දཧࣄ
    Ұൠࣾஂ๏ਓΞΧσϛʔΩϟϯϓ ୅දཧࣄ
    ܦྺ
    1993 ೥ɺίʔωϧେֶΑΓ޻ֶम࢜߸औಘ (ίϯϐϡʔλαΠΤϯε)
    2006 ೥ɺܚጯٛक़େֶΑΓσδλϧ௨՟ͷݚڀͰത࢜߸औಘ (੓ࡦɾϝσΟΞ)
    ܚጯٛक़େֶ େֶӃ ੓ࡦɾϝσΟΞݚڀՊ΍ SFC ݚڀॴʹͯ 18 ೥ؒʹΘͨΓ
    P2P (Peer-to-Peer) ͓Αͼσδλϧ௨՟౳ͷݚڀʹैࣄ
    2011 ೥ՆΑΓ෱ౡͷ͜Ͳ΋ͨͪͷͨΊͷʮΞΧσϛʔΩϟϯϓʯΛ஥ؒΒͱ։࠵
    ࡢՆ͸ SFC ʹͯ ΞΧσϛʔΩϟϯϓ 2018 ՆʮΦοέʔάʔάϧɺ॓୊΍ͬͱ͍ͯʂʯΛ࣮ࢪ
    ࣍ճ͸ ΞΧσϛʔΩϟϯϓ 2019 ౙʮԵঁͷͨΊͷΦʔτϝʔγϣϯ ∼ ΧϫΠΠ͸ࣗಈԽͰ͖ΔʂʯΛ༧ఆ
    → ࢲͷ಄ͷதͰ͸ͭͳ͕͍ͬͯ·͢ (͜Ε͔ΒͷࣾձͷσβΠϯ͸͜Ͳ΋ͨͪͱҰॹʹ)
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.2/49

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  3. ࠷ۙͷஶॻ
    ʮ৴༻ͷ৽ੈل ϒϩοΫνΣʔϯޙͷະདྷʯ(2017)
    δϟϯϧ: ୹ฤ SF ϓϩτλΠϐϯά + ղઆ + ໝ૝
    ՟ฎܦࡁͷਰୀ͔Β৽͍͠ܦࡁࣾձͷϝΠΩϯά·Ͱ
    ๯಄ͱ຤ඌ͕୹ฤ SF (2048 ೥ʹλΠϜεϦοϓ)
    2048 ೥ͷࣾձ͸ʁ
    ࠜຊతͳ࢓૊Έ͔ΒࣗಈԽ͞Ε͍ͯΔ
    ʮԿΛ࣮ݱ͍ͨ͠ͷ͔ʯͱ͍͏ɺ
    ͻͱΓͻͱΓͷҙࢥ͕େ੾Ͱ͋Δࣾձ
    ʮࣗಈԽʯ͸ͻͱͭͷॏཁͳΩʔϫʔυ
    ৴༻ͷ৽ੈلͱ͸ʁ → ͜Ε͔Βͷ 100 ೥ ← ࠓੈل͔Αʂ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.3/49

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  4. ͜ͷ͓࿩Ͱ͸
    ۙ೥ͷϒϩοΫνΣʔϯ௨՟ʹࢸΔ·Ͱͷσδλϧ௨՟ͷྺ࢙ΛৼΓฦΓɺ
    ͦ͏ٕͨ͠ज़͕ɺਓؒෆࡏͰͳ͍͔ͨͪͰਓʑͷ޾෱ʹد༩͢ΔͨΊʹ͸
    ԿΛ੒͢΂͖͔ɺ͜Ε͔ΒͷऔΓ૊Έ΋঺հͭͭ͠ɺઃܭऀͷཱ৔͔Βߟ͑·͢
    τϐοΫ
    σδλϧ௨՟ͷ 19 ೥
    ϒϩοΫνΣʔϯ௨՟ͷಋग़ͱਓؒ (ෆࡏ) ͷσδλϧ௨՟
    ϒϩοΫνΣʔϯͷ՝୊ͱ BBc-1 (Beyond Blockchain One)
    ਓؒͷσδλϧ௨՟ʹ޲͚ͯ : ઃܭऀͱͯ͠ԿΛߟ͑Δ͔
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.4/49

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  5. i-WAT Trust Model Geek Credit/Ripple Trust Model
    * 2005 ೥ʹ੪౻ͷത࢜࿦จެௌձͰ࢖༻ͨ͠εϥΠυ͔ΒɻRipple ͕౰࣌গͳ͘ͱ΋֓೦ͱͯ͠͸ଘࡏ͍ͯͨ͠ূڌɻ
    σδλϧ௨՟ͷ 19೥
    ख୹ʹৼΓฦΓ·͢
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.5/49

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  6. τϐοΫ (੨ࣈ͸ࣗ෼)
    2000 ೥ΑΓաڈ
    Blind signature (1983)
    Magic Money (1990s)
    Hashcash (1997)
    2000∼2006 ೥
    MojoNation (2000), Karma (2003)
    Samsara (2003), PPay (2003), i-WAT (2003), Ripple (͜ͷลΓ)
    2007∼2018 ೥
    SSC (2008)
    Bitcoin (2008), (altcoins), Ethereum (2014), ERC-20 (2015)
    ADR ௨՟ (2017), bbc1-lib-tokens (2018)
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.6/49

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  7. ଟ༷ͳ՟ฎͷݯྲྀ
    ՟ฎ͸ͦ΋ͦ΋ଟ༷ͩͬͨ
    ʮ՟ฎͰ͋Δʯͱ͍͏ݬ૝Λڞ༗Ͱ͖Δ΋ͷ͕ʮ՟ฎʯ
    ͦͷ஍ͷੜ׆ʹ͍ࠜͮͨަ׵ഔମ͕બ୒͞Εͨ
    ࢈ۀԽҎ߱ɺதԝͷ՟ฎ੍౓͕஍Ҭͱͷ᫁᫟ΛੜΉ͜ͱ͕ͨͼͨͼ͋ͬͨ
    ྫ 1
    : ൡࡳ (17∼19 ੈل)
    ྫ 2
    : ࣗ༝௨՟ (ελϯϓࢴฎ) (1930 ೥୅)
    Wörgl Ͱͷ੒Ռ
    ٕज़తͳഎܠͱͯ͠ҹ࡮ज़ͷൃల͕͋Δ
    ׆൛ҹ࡮ज़͸ࣾձͷ࢈ۀԽΛޙԡͨ͠͠৘ใֵ໋తଆ໘Λ΋ͭ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.7/49

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  8. 2000೥ΑΓաڈ
    Blind signature (1983)
    ಗ໊ͷࢧ෷͍ͷͨΊͷσδλϧॺ໊
    Magic Money (1990s)
    Blind signature ΛԠ༻ͨ͠ PGP ௨՟
    ಗ໊ϓϩάϥϚ Pr0duct Cypher ʹΑΔ
    ಛڐݖΛ৵֐͍ͯͨͨ͠Ίҧ๏
    Hashcash (1997)
    εύϜ཈ࢭͷͨΊͷ Proof Of Work
    Bitcoin ͷߏ૝ͰԠ༻͞ΕΔ
    എܠ : Πϯλʔωοτͷ঎༻ར༻ͷ͸͡·Γ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.8/49

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  9. جૅٕज़ - ҉߸ֶతϋογϡؔ਺
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.9/49

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  10. جૅٕज़ - σδλϧॺ໊
    ຊਓ͕ૹͬͨ΋ͷͰ͋Γվ͟Μ͞Ε͍ͯͳ͍͜ͱ͕ূ໌Ͱ͖Δ
    RSA, DSA, ECDSA (ପԁۂઢ DSA) ౳ (্ͷྫ͸ RSA Ͱ͋Γɺ࠷ۙͷσδλϧ௨՟Ͱ͸͋·Γ࢖ΘΕͳ͍)
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.10/49

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  11. Blind Signature
    ॺ໊ର৅ΛӅͯ͠σδλϧॺ໊͢Δ
    ཚ਺Λඃͤͨσʔλʹॺ໊ͯ͠΋Β͍ɺ
    ໭͖ͬͯͨσʔλͱॺ໊͔Βཚ਺Λണ͗ͱΔ
    Ԡ༻Πϝʔδ (ಗ໊Ͱͷࢧ෷͍)
    1. “଄ฎہ” ͕ A ͞ΜͷίΠϯʹॺ໊͢Δ (ίΠϯൃߦ)
    2. A ͞Μ͕ B ͞Μʹࢧ෷͏
    3. B ͞Μ͕ “଄ฎہ” ʹίΠϯΛ໭͕͢ɺ୭ͷίΠϯ͔൑ผͰ͖ͳ͍
    DigiCash (1990)
    ࿦จ “On blind signatures and perfect crimes” (1992) ͕৽ฉΛ࢖ͬͨ׬શ൜ࡑ
    ͷՄೳੑʹݴٴ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.11/49

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  12. Hashcash
    ϝʔϧϔομʹଟগͷ CPU ࣌ؒΛ࢖ͬͯܭࢉͰ͖ΔελϯϓΛࡌͤΔ
    ྫ: X-Hashcash: 1:20:060408:[email protected]::1QTjaYd7niiQA/sc:ePa
    SHA-1 ϋογϡ஋ͷ࠷ॳͷ 20 Ϗοτ (౰࣌) ͕ 0 ʹͳΔΑ͏ͳཚ਺ΛೖΕΔ
    ͜ΕʹΑΓεύϜΛ཈ࢭ͢Δ
    1 ௨ͷϝʔϧͷૹ৴४උʹ 1 ඵ΄Ͳ͔͔Δ
    ड৴ଆͰͷ֬ೝ͸ҰॠͰɺελϯϓ͕ແޮͳΒεύϜͱѻ͏
    εύϚʔ͸େ͖ͳଧܸΛड͚Δ
    Bitcoin ͷઃܭจॻ͕͜ͷ࢓૊Έʹݴٴ͍ͯ͠Δ
    Bitcoin ͸ܭࢉίετ (˺௨՟Ձ஋) ͰकΔ࢓૊ΈΛ࠾༻͍ͯ͠Δ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.12/49

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  13. 2000∼2006೥ (੨ࣈ͸ࣗ෼)
    MojoNation (2000)
    ϑΝΠϧऔҾͷͨΊͷτʔΫϯαʔό
    Karma (2003)
    DHT (෼ࢄϋογϡද) ʹΑΔόϯΫηοτ
    Samsara (2003)
    ετϨʔδͷόʔλʔऔҾγεςϜ
    PPay (2003), i-WAT (2003)
    IOU (ඇެࣜͷआ༻ূ໌ॻ) ௨՟
    Ripple (͜ͷลΓ)
    ࢧ෷͍ϧʔςΟϯά
    എܠ : P2P ͷ࣮༻Խͱ P2P ͷܦࡁతଆ໘ (ࢿݯΛ౤͛ग़͢ಈػ͚ͮ)
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.13/49

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  14. i-WAT औҾखॱͷ֓ཁ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.14/49

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  15. i-WAT औҾखॱͷ֓ཁ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.14/49

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  16. i-WAT औҾखॱͷ֓ཁ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.14/49

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  17. ROT (Reduction Over Time)
    ػೳΛඪ४౥ࡌɺൃ݊࣌ʹࢦఆՄೳ (2005 ೥ʹѪɾ஍ٿതͰͷ࣮ূ࣮ݧͷͨΊͷཱྀඅͰ࣮Ԡ༻)
    ࣮ূ࣮ݧࣗମͰ͸ϞόΠϧ୺຤Ͱ i-WAT औҾΛήʔϜԽ࣮ͯ͠ࢪ͠·ͨ͠
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.15/49

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  18. 2007∼2018೥ (੨ࣈ͸ࣗ෼)
    2007 ೥ࠒɺ஍ٿن໛ OS ͷߏ૝্ཱ͕͕ͪͬͨ
    ਓࡐΛؚΉ஍ٿ্ͷࢿݯΛ࠷దʹ॥؀ͤ͞ΔͨΊͷࣾձԼ෦ߏ଄
    SSC (2008)
    Samsara + i-WAT Ͱ࣮ݱ͢ΔετϨʔδຊҐ௨՟
    Bitcoin (2008), (altcoins), Ethereum (2014), ERC-20 (2015)
    ϒϩοΫνΣʔϯ௨՟/Ԡ༻ϓϥοτϑΥʔϜ
    ADR (Ӊ஦ΰϛআڈ) ௨՟ (2017), bbc1-lib-tokens (2018)
    ϒϩοΫνΣʔϯͷ՝୊Λ௒͑ɺݮՁ͢Δ௨՟Λ࣮Ԡ༻͢ΔͨΊͷऔΓ૊Έ
    എܠ : ޿ٛͷαΠόʔϑΟδΧϧͳ؀ڥͷग़ݱ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.16/49

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  19. ϏοτίΠϯͷʮ໰͍ʯͱʮ౴͑ʯ(1)
    ϏοτίΠϯͷʮ໰͍ʯ
    ʮࣗ෼͕͍࣋ͬͯΔ͓ۚΛ͍ͭͰ΋ࣗ෼ͷ޷͖ʹૹۚ͢Δ͜ͱΛ
    ୭ʹ΋ࢭΊͤ͞ͳ͍ʯͨΊʹ͸ʁ
    (தԝ) ۜߦϚωʔ΁ͷෆ৴
    ϏοτίΠϯͷʮ౴͑ʯ
    ಛఆͷαʔϏεఏڙऀ͕͍Δ෩ʹ͸Ͱ͖ͳ͍
    ⇒ σδλϧͳίΠϯΛ P2P Ͱ΍ΓऔΓ͢Δ
    ίΠϯΛૹͬͨ͜ͱΛ൱ఆ͞ΕͨΒʁ(ݕূՄೳੑͱ಺༰ͷ൱ೝෆՄೳੑΛ୲อ͍ͨ͠)
    ⇒ σδλϧॺ໊Λ༻͍Δ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.17/49

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  20. ϏοτίΠϯͷʮ໰͍ʯͱʮ౴͑ʯ(2)
    σδλϧॺ໊͚ͩͰ͸ղ͚ͳ͍໰୊͕͋Δ
    ೋॏফඅ (double spending) Λ๷͙ඞཁ͕͋Δ (ଘࡏͷ൱ೝෆՄೳੑΛ୲อ͍ͨ͠)
    ⇒ औҾͷূڌΛ৽ฉʹࡌͤΕ͹Α͍
    ܝࡌڋ൱΍σΟείϯͷڪΕ͸ʁ (୭ʹ΋ࢭΊͤ͞ͳ͍ ͨΊʹ͸ʁ)
    ⇒ ܈ऺ͕ (ग़དྷࣄͷূڌͱͯ͠) ൃߦ͢Δʮ৽ฉʯʹऔҾͷূڌΛࡌͤΔ
    ⇒ ϒϩοΫνΣʔϯ
    ͜ͷߟ͑ํʹجͮ͘ίΠϯͷ౪೉͸ॾʑͷࣄ݅ͷΑ͏ͳహ຤Λ୧Δ
    ʮࣗ෼͕͍࣋ͬͯΔ͓ۚΛ͍ͭͰ΋ࣗ෼ͷ޷͖ʹૹۚ͢Δ͜ͱΛ୭ʹ΋ࢭΊͤ͞ͳ͍ʯ
    ⇒ ຊਓͰ͋Δ͜ͱΛࣗ෼ࣗ਎͚ͩͰূ໌͢Δ → ൿີݤΛॴ͍࣋ͯ͠Δ͜ͱͷθϩ஌ࣝূ໌
    → ൿີݤΛ࢖͑ΔͳΒ୭Ͱ͋Εຊਓ
    ⇒ औҾ͸ສਓ͕ݕূՄೳ͕ͩऔΓফͤͳ͍ → ౪·ΕͨίΠϯ͸௥੻Ͱ͖Δ͕औΓ໭ͤͳ͍
    ઃܭ௨Γʂ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.18/49

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  21. ϏʔΧʔ / ৽ฉϞσϧͷੈք(1)
    ϏοτίΠϯͱϒϩοΫνΣʔϯΛ෺ཧϞσϧͰઆ໌͠·͢
    2,100 ສ cm3 (cc) ͷɺਓྨʹͱͬͯແՁ஋ͳӷମ͕͋Δ
    λϯΫʹೖ͍ͬͯΔ
    1 ԯ෼ͷ 1cm3 ·ͰܭྔͰ͖ΔϏʔΧʔΛ֤͕͍ࣗͭ͘Ͱ΋
    ࣋ͯΔ
    ެڞۭؒʹஔ͔ΕΔ
    ϏʔΧʔʹ͸ݤ෇͖ͷ֖͕͍͍ͭͯΔ
    ฏۉ 10 ෼͓͖ʹબ͹Εͨਓ͚͕ͩɺࣗ෼ͷϏʔΧʔʹࠓͳΒ
    12.5cm3 ͘Έग़ͤΔ
    ಛघͳ͘͡Ҿ͖ͰબͿ
    ౰ͨΓ͘͡͸ɺ֤ࣗͷശͷதʹ͋ΓɺͦΕͧΕ͕શྗͰ
    ͘͡ΛҾ͖·͘Δ
    ⇒ ଎͘Ҿ͚ͨํ͕༗ར
    ⇒ ʮγεςϜ͕ఀ·Βͳ͍ (ϥΠϒωε)ʯੑ࣭ΛຬͨͤΔ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.19/49

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  22. ϏʔΧʔ / ৽ฉϞσϧͷੈք(2)
    ϏʔΧʔؒͰൺֱతࣗ༝ʹӷମΛ΍ΓऔΓͰ͖Δ (ਖ਼౰ੑͷอূ)
    ֖Λ։͚ΒΕΔͷ͸ݤΛ͍࣋ͬͯΔຊਓ͚ͩ
    Ұ౓։͚ͨΒɺଞͷ (ෳ਺ͷ) ϏʔΧʔʹ஫͗੾Δ
    ઌͷʮબ͹Εͨਓʯ͸ɺ΍ΓऔΓΛʮ؂ࠪʯ͠ɺ৽ฉͷࢴ໘Λ
    ͭͬͯ͘ه࿥Λ࢒͢ʮฤूऀʯͰ΋͋Δ (ଘࡏੑͷূ໌)
    ΍ΓऔΓͷ͓͜΅Ε (ख਺ྉ) ΋΋Β͑Δ
    ಉ͡ϖʔδ൪߸͕ඃͬͨΒɺϖʔδྻͷ௕͍ํͷཤྺ͕༗ޮ
    (།Ұੑͷ߹ҙ)
    ͱ͖Ͳ͖ɺϏʔΧʔͷݤΛແ͘͢ਓ͕͍Δ
    ͦΜͳ࢓૊ΈΛσδλϧͰͭ͘Γɺ௨՟ͱݟͳͯ͠Έͨ
    → ϏοτίΠϯ
    (ݟͳ͠Λඞཁͱ͠ͳ͍՟ฎɾ௨՟͸๏՟΋ؚΊଘࡏ͠ͳ͍)
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.20/49

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  23. ਖ਼౰ੑͷอূ ∼ ͍ΘΏΔ UTXO ߏ଄
    ࢀর (ཁσδλϧॺ໊) ࡁΈͷग़ྗ (=ίΠϯ) ͸ফඅࡁΈ → ೋॏফඅ͞Εͳ͍
    UTXO (Unspent transaction (TX) Output) = ະ࢖༻ίΠϯ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.21/49

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  24. ଘࡏੑͷূ໌ ∼ ࡞ۀূ໌෇͖ϋογϡνΣʔϯ
    ท൪߸O ท൪߸O ท൪߸O
    લทͷμΠδΣετ
    λʔήοτҎԼͰͳ͍ͱ͍͚ͳ͍

    ͸Έͩ͠ίʔφʔ
    μΠδΣετ͕λʔήοτҎԼʹͳΔΑ͏ʹೖΕΔద౰ͳ಺༰

    ϖʔδͷμΠδΣετ (҉߸ֶతϋογϡؔ਺ʹΑΔग़ྗ) ͸λʔήοτҎԼͰͳ͚Ε͹ͳΒͳ͍
    ݩͷσʔλΛͲ͏͍͡Ε͹ͲΜͳμΠδΣετʹͳΔͷ͔͸༧ΊΘ͔Βͳ͍ → ్ํ΋ͳ͍࡞ۀΛཁ͢Δ
    ͜Ε͕͘͡Ҿ͖ͷݪཧͰ͋Γɺಉ͚ͩ͡ͷίετΛ͔͚ͳ͚Ε͹վ͟ΜͰ͖ͳ͍
    ϏοτίΠϯͰ͸ 2019 ೥ 1 ݄ݱࡏ 1 ඵ౰ͨΓ 4 ઍژճఔ౓ͷ͘͡Ҿ͖
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.22/49

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  25. །Ұੑͷ߹ҙ ∼ φΧϞτɾίϯηϯαε
    ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O
    ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O
    ϖʔδ൪߸O
    ͬͪ͜ͷྺ࢙͕༗ޮ
    ΄΅ಉ࣌ʹผʑͷ୭͔͕͘͡ʹ౰ͨͬͯϖʔδྻ͕෼͔Εͯ͠·͏ݱ৅͸݁ߏ͋Δ
    ୭ʹ΋ࢭΊͤ͞ͳ͍ͨΊͷࣗ཯෼ࢄతಈ࡞ͷͨΊෆՄආ
    ͘͡Ҿ͖ʹྦྷੵͰ࠷΋େ͖ͳίετ͕͔͔͍ͬͯΔྺ࢙͕࠷΋վ͟Μ͠ʹ͍͘
    ͦΕ͕ਖ਼࢙Ͱ͋Δͱશһ͕߹ҙ͢Δ (ݫີͳίϯηϯαε͸࣮ݱͰ͖͍ͯͳ͍)
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.23/49

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  26. ͱ·͋આ໌ͨ͠΋ͷͷ
    . . .
    ࠓɺϏοτίΠϯͱͦͷϒϩοΫνΣʔϯʹ͍ͭͯઆ໌͢Δ͜ͱ͸ɺ
    ʮYouTube Λ؍͍ͨਓʹਅۭ؅ͷઆ໌Λ͢Δ͜ͱʯʹ΋ࣅ͍ͯ·͢
    ٕज़ͷ໊લ ςϨϏδϣϯ Ϩοδϟʔ (୆ா)
    ຊ౰ʹ΍Γ͍ͨ͜ͱ ԕ͘ʹө૾ΛૹΔ͜ͱ ه࿥͕վ͟Μ͞Ε͍ͯͳ͍
    ͱূ໌͢Δ͜ͱ(ࣗ෼͕࣋ͬ
    ͍ͯΔ͓ۚΛࣗ༝ʹ࢖͏ͨ
    Ίʹ)
    ࠷ॳͷཁૉٕज़ ϒϥ΢ϯ؅ (ਅۭ؅) ϒϩοΫνΣʔϯ
    ࠷ॳͷϞσϧ ςϨϏ ϏοτίΠϯ
    ਐԽܗ YouTube, Skype, etc. ???
    ͦͯ͠஍Ҭ௨՟͸ʮࣗ෼͕͍࣋ͬͯΔ͓ۚΛࣗ༝ʹ࢖͍͍ͨʯΘ͚Ͱ͸
    ͋Γ·ͤΜ
    ͓ۚͷرগੑΛಥഁͯ͠୭΋͕ࣗ༝ʹৼΔ෣͑Δ͜ͱ͸େ੾ͩͱͯ͠
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.24/49

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  27. ϒϩοΫνΣʔϯ௨՟ͷಋग़
    IOU ௨՟ → ϒϩοΫνΣʔϯ௨՟ ͷมܗ (ٕज़తʹࣅ͍ͯΔཧ༝)
    ໿ଋ → ྔ
    ෛ࠴ → ټΈग़͠
    ঝೝͷूஂԽ
    ϒϩοΫԽɺϒϩοΫνΣʔϯԽ
    ௥هਓͷબ୒ํࣜ
    ॺ໊νΣʔϯ͕ҡ࣋͞Ε͍ͯΔ͜ͱͷҙຯ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.25/49

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  28. ࢴ݊IOU௨՟
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.26/49

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  29. σδλϧIOU௨՟
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.27/49

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  30. ϒϩοΫνΣʔϯ௨՟
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.28/49

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  31. ਓؒෆࡏͷσδλϧ௨՟ vs. ਓؒͷσδλϧ௨՟
    ਓؒෆࡏͷσδλϧ௨՟ ਓؒͷσδλϧ௨՟
    άϩʔόϧͳߏ଄Λ࣋ͭ (ϫϯωε) άϩʔόϧͳߏ଄Λ࣋ͨͳ͍
    ݤϖΞΛݸਓʹؼଐͤ͞ͳ͍
    (γεςϜʹਓؒͷ֓೦͕ͳ͍)
    ݤϖΞΛݸਓ (·ͨ͸๏ਓ) ʹؼଐͤ͞Δ
    (සൟͳ࠶ੜ੒Λ঑ྭ͠ͳ͍)
    POW (·ͨ͸ԿΒ͔ͷίετ) γεςϜΛ࠾༻ POW γεςϜΛ࠾༻͠ͳ͍
    ՟ฎͷൃߦྔΛ੍ݶ͢Δ (Ձ஋͸رগੑ) ՟ฎͷൃߦྔΛ੍ݶ͠ͳ͍
    ՟ฎ͸ಉޠ൓෮త ՟ฎ͕ࠜڌ ∗ Λ࣋ͭΑ͏ʹ͢Δ
    (ex. ಉޠ൓෮͠ͳ͍࠴຿ূॻ)
    ∗ ͔ͭɺͦͷࠜڌ͕࣌ΛܦΔʹͭΕݮՁ͢ΔΑ͏ʹ͢Δ
    ਓؒෆࡏͷσδλϧ௨՟͸ɺ՟ฎࣗମͷ՝୊ɾ໰୊఺ʹແؔ৺
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.29/49

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  32. ϒϩοΫνΣʔϯͷ՝୊ͱ BBc-1
    ϒϩοΫνΣʔϯͷ՝୊
    BBc-1 (Beyond Blockchain One) ͱ͸ʁ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.30/49

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  33. ϒϩοΫνΣʔϯͷ՝୊
    ύϒϦοΫͳϨοδϟʔͷ՝୊
    ֎ҼʹΑΓఀࢭͨ͠Γ҆શੑ͕ଛͳΘΕΔՄೳੑ͕͋Δ
    ֎Ҽ : ҉߸ٕज़ͷةຆԽ΍ωΠςΟϒԾ૝௨՟ͷࢢ৔Ձ֨ͷ๫མ
    ࣮࣌ؒੑɾൿಗੑͷ՝୊
    ϫϯωεʹΑΔࠔ೉ (εέʔϥϏϦςΟͷܽ೗ɺ৽ٕज़Λ࣮஍Ͱࢼͤͳ͍)
    ϓϥΠϕʔτͳϨοδϟʔͷ՝୊
    ূ໌ػೳ͕֎෦ʹఏڙ͞Εͳ͍৔߹ɺ
    ֎͔ΒݟͯطଘͷσʔλϕʔεͱมΘΒͳ͍
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.31/49

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  34. BBc-1 ͱ͸ʁ
    BBc-1 Ͱ͸ɺ
    ه࿥͕Ͱ͖·͢
    ه࿥ͷଘࡏΛূ໌Ͱ͖·͢
    ݖݶΛ΋ͭຊਓͰ͋Δ͜ͱΛσδλϧॺ໊Ͱূ໌Մೳͳ৔߹ʹݶΓɺ
    ͦͷه࿥Λߋ৽͢Δɺͱ͍ͬͨ͜ͱ͕Ͱ͖·͢ (ΞϓϦέʔγϣϯϨϕϧͰ)
    ʮBBc τϥετʯΛ࣮૷͠·͢
    https://speakerdeck.com/beyondblockchain/bbc-trust
    طଘͷϒϩοΫνΣʔϯ/෼ࢄ୆ாͱͲ͏ҧ͏ʁ
    ಛ௃
    (1) ୆ாʹ͓͚Δ৘ใಉ࢜ͷؔ܎ੑͷهड़ྗ͕ߴ͍
    (2) γεςϜ্ͷʮ߹ҙʯΛݱ࣮ࣾձͷͦΕͱҰகͤ͞Δ͜ͱ͕Ͱ͖Δ
    (3) վ͟Μݕ஌ͷػձ͕޲্͍ͯ͠Δ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.32/49

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  35. ΞʔΩςΫνϟ
    #JUDPJO
    ##D$PSF
    ϨοδϟʔαϒγεςϜ
    ΞϓϦέʔγϣϯ
    ͦ
    ͷ

    ͞
    ·
    ͟
    ·
    ͳ
    Ξ
    ϓ
    Ϧ
    ͷ
    Մ


    ڞ௨ϥΠϒϥϦ
    ##D ։ൃ߲໨

    Ҭ

    ՟
    Ξ
    ϓ
    Ϧ
    ϙ
    Π
    ϯ
    τ
    Ξ
    ϓ
    Ϧ




    Ξ
    ϓ
    Ϧ
    ʜ
    ॳظʹ͓͍ͯଘࡏূ໌Λґଘ
    ΞϯΧϦϯά

    ֤ϊʔυʹ͓͚Δه࿥ʹ͸
    ֤छσʔλϕʔεΛར༻Մೳ
    TRMJUF.Z42-ͦͷଞ%#
    BBc-1
    σδλϧ௨՟ϥΠϒϥϦ ͦͷଞͷϥΠϒϥϦ
    ॳظʹ͸ Bitcoin ΍ Ethereum ͱ͍ͬͨطଘͷϒϩοΫνΣʔϯʹΞϯΧϦϯά (ূڌͷຒΊࠐΈ) Λ͢Δ͜ͱʹΑΓɺ
    τϥϯβΫγϣϯͷূ໌ػೳΛୡ੒͠·͢
    த௕ظతʹ͸ʮཤྺަࠩʯͷߟ͑ํΛԠ༻ͨ͠ಠࣗํࣜʮίϯςΩετূ໌ (Proof of Context)ʯʹΑΓୡ੒͠·͢
    (ػೳ͸ॳظ͔Βఏڙͭͭ͠ݚڀ։ൃ͍͖ͯ͠·͢) ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.33/49

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  36. ϒϩοΫνΣʔϯΛཧղ͢Δ
    ػೳͷ֊૚ߏ଄
    ʮҨݴॻςετʯ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.34/49

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  37. ϒϩοΫνΣʔϯ/୆ாٕज़ͷػೳΛ෼ղ͢Δ
    ਖ਼౰ੑͷอূ
    ྫ6590ߏ଄ͱσδλϧॺ໊
    ଘࡏੑͷূ໌
    ྫ࡞ۀূ໌෇͖ϋογϡνΣʔϯ
    །Ұੑͷ߹ҙ
    ྫφΧϞτɾίϯηϯαε
    ϧʔϧͷهड़
    ྫ#5$ͷҠస
    ɾ
    τϥϯβΫγϣϯͷ಺༰͕վ͟ΜͰ͖ͣɺ
    ɾ
    ͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺ
    ɾ
    ͔ͭɺਖ਼౰ͳϢʔβʹΑΓ౤ೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δ
    ɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺ
    ɾ
    ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻଄Ͱ͖ͳ͍
    ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕౤ೖ͞Εͨ৔߹ɺ
    ɹ ͍ͣΕ
    ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔ
    ɾΞϓϦέʔγϣϯϩδοΫ Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ

    ྫ͑͹ΞηοτΛʮ࠴ݖʯ
    ɺτϥϯβΫγϣϯΛʮͦͷചങʯͱஔ͖׵͑ͯಡΜͰΈ͍ͯͩ͘͞
    ϏοτίΠϯ͸ ࠴ݖͰ͸ͳ͍Ξηοτ ͳͷͰɺ࣮͸ಛघࣄྫͩͱ͍͏͜ͱ͕෼͔Γ·͢
    ػೳ͕Լ͔ΒੵΈ্͕͍ͬͯ·͢ (ྫ͸ϏοτίΠϯͰ͕͢ɺ֤૚Λ෼཭ͯ͠ผʑͷٕज़Ͱ࣮ݱՄೳ)
    ৽حੑ͸Ͳ͜ʹ͋Δʁ ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.35/49

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  38. ϒϩοΫνΣʔϯ/୆ாٕज़ͷػೳΛ෼ղ͢Δ
    ਖ਼౰ੑͷอূ
    ྫ6590ߏ଄ͱσδλϧॺ໊
    ଘࡏੑͷূ໌
    ྫ࡞ۀূ໌෇͖ϋογϡνΣʔϯ
    །Ұੑͷ߹ҙ
    ྫφΧϞτɾίϯηϯαε
    ϧʔϧͷهड़
    ྫ#5$ͷҠస
    ɾ
    τϥϯβΫγϣϯͷ಺༰͕վ͟ΜͰ͖ͣɺ
    ɾ
    ͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺ
    ɾ
    ͔ͭɺਖ਼౰ͳϢʔβʹΑΓ౤ೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δ
    ɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺ
    ɾ
    ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻଄Ͱ͖ͳ͍
    ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕౤ೖ͞Εͨ৔߹ɺ
    ɹ ͍ͣΕ
    ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔ
    ɾΞϓϦέʔγϣϯϩδοΫ Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ

    σδλϧॺ໊ͰͰ͖Δʂ
    τϥετʹཔΔඞཁ͕͋ͬͨʂ
    ઃܭʹΑͬͯ͸ෆཁʹͰ͖Δʂ
    ΞϓϦέʔγϣϯ૚ʂ
    ྫ͑͹ΞηοτΛʮ࠴ݖʯ
    ɺτϥϯβΫγϣϯΛʮͦͷചങʯͱஔ͖׵͑ͯಡΜͰΈ͍ͯͩ͘͞
    ϏοτίΠϯ͸ ࠴ݖͰ͸ͳ͍Ξηοτ ͳͷͰɺ࣮͸ಛघࣄྫͩͱ͍͏͜ͱ͕෼͔Γ·͢
    ػೳ͕Լ͔ΒੵΈ্͕͍ͬͯ·͢ (ྫ͸ϏοτίΠϯͰ͕͢ɺ֤૚Λ෼཭ͯ͠ผʑͷٕज़Ͱ࣮ݱՄೳ)
    ৽حੑ͸Ͳ͜ʹ͋Δʁ ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.35/49

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  39. ϒϩοΫνΣʔϯͷਅՁ͸ʁ
    աڈʹҐஔ͚ͮΒΕͨσδλϧॺ໊ΛɺԿͷݖҖʹ΋ґΒͣʹਖ਼͍͠·ͨ͸
    ਖ਼͘͠ͳ͍ͱূ໌Ͱ͖ΔΑ͏ʹ͢Δ → աڈʹॺ໊͞Εͨσʔλͷ ଘࡏੑͷূ໌
    ྫ୊ 1
    : σδλϧԽ͞ΕͨҨݴॻͷॺ໊͕ຊਓͷ΋ͷͰ͋Γɺ಺༰͕վ͟Μ
    ͞Ε͍ͯͳ͍͜ͱΛূ໌ͤΑɹͨͩ͠ɺ
    Ұൠʹຊਓͷࢮޙ͸ൿີݤ͕ൿີʹอͨΕ͍ͯΔอূ͕ͳ͍
    ૬ଓਓͱެূਓ (ҨݴॻΛอଘͦ͠ͷਖ਼౰ੑΛอূ͢Δ୭͔) ͸ڞ๳͢Δ͔΋
    ↑ ୭͔͕ϒϩοΫνΣʔϯͩͱݴͬͯചΓࠐΜͰདྷͨ΋ͷ͕ɺ
    ࠾༻ʹ஋͢Δ͔Ͳ͏͔Λςετ͢ΔͨΊʹ࢖͑Δ໰͍
    ղ͖͍ͨ໰୊͕͜ͷςετͷܗʹͳΔ → ෆ߹֨ͳΒ࢖͑ͳ͍
    ղ͖͍ͨ໰୊͸͜ͷςετͷܗʹͳΒͳ͍ → ͦ΋ͦ΋ϒϩοΫνΣʔϯΛ࢖͏͜ͱͷҙຯ͕ͳ͍
    ղ͖͍ͨ໰୊͸ແ͍ͷʹɺ͜ͷςετʹ߹֨͠ͳ͍ٕज़Λ࢖ͬͯʮϒϩοΫνΣʔϯʯ࣮ূ࣮ݧ → ௒ෆ޾
    ྫ୊ 2
    : σδλϧ௨՟ͷೋॏফඅΛݕग़ͤΑ (ফඅΛಛఆͷաڈʹ༳Δ͗ͳ͘Ґஔ͚ͮΑ)
    (ݕग़্ͨ͠Ͱޓ͍ʹໃ६͢ΔऔҾͷͲͪΒΛ࠾༻͢Δ͔͸࣮͸ผͷ໰୊)
    → ҉߸ٕज़ͷةຆԽ΍Ծ૝௨՟๫མʹΑΔఀࢭͷՄೳੑ·Ͱߟྀ͢Δͱɺ
    ϏοτίΠϯ౳ͷϒϩοΫνΣʔϯͰ΋ղ͚͍ͯͳ͍໰୊
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.36/49

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  40. ʮҨݴॻςετʯ
    ͋ͳͨͷϒϩοΫνΣʔϯͰ͸ʮҨݴॻʯΛ࡞Ε·͔͢ʁ
    ຊਓ͕ ੜલʹॺ໊ͨ͠ ··ͷ͔ͨͪͰҨݴॻ͕อଘ͞Ε͍ͯΔ͜ͱΛ
    อଘ͍ͯ͠ΔγεςϜΛ৴༻ͤͣʹ (ͳͥͳΒڞ๳ͷՄೳੑ͕͋Δ͔Β)
    ར֐ؔ܎ͷ͋Δ͢΂ͯͷ૬ଓਓʹରͯ͠ূ໌Ͱ͖·͔͢ʁ
    ʮ಺෦Ͱվ͟Μ͞Ε͍ͯͳ͍͜ͱͷূ໌ʯͱʮσδλϧॺ໊ͷࣄޙ (Ӭ೥) ূ໌ʯ
    ͜Ε͸͋͘·Ͱ໰͍ͷ਽ܗͰ͋ΓɺҨݴॻʹݶΒͣɺΞϓϦέʔγϣϯʹԠͨ͡۩ମతͳ໰͍ΛཱͯΔ͜ͱ͕ॏཁ
    ଟ͘ͷ͍ΘΏΔϓϥΠϕʔτ/ίϯιʔγΞϜͷ୆ாٕज़͸ (গͳ͘ͱ΋ૉͷ··Ͱ͸)
    ͜ͷςετʹ߹֨Ͱ͖ͳ͍͸ͣͰ͢
    ͔ͱ͍ͬͯύϒϦοΫͳ΋ͷ͸֎ҼʹΑΓఀࢭͯ͠͠·͍ɺಈ͔͍ͨ͠ਓʑͷҙࢥ͚ͩͰ͸ܧଓͰ͖ͳ͍ڪΕ͕͋Γ·͢
    ֎Ҽ : ҉߸ٕज़ͷةຆԽ΍Ծ૝௨՟ͷ๫མ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.37/49

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  41. BBc-1 ͸ʮҨݴॻςετʯʹ߹֨͢Δٕज़ͱͯ͠
    ઃܭ͠ɺͦͷࢀরιϑτ΢ΣΞΛఏڙ͢Δ
    ࠓ·Ͱͷ࿩ʹɺΑ͘ݴΘΕΔʮ෼ࢄʯ
    ʮڞ༗ʯ΍ʮඇதԝूݖʯ͕ೖ͍ͬͯͳ͍͕ʁ
    ⇒ ʮҨݴॻςετʯʹ߹֨͢ΔͨΊʹ͸ɺ
    ʮதԝʯʹτϥετ͸ஔ͚·ͤΜ
    தԝʹҐஔ͚ͮΒΕ͖ͯͨػೳͷ಺෦Ͱվ͟Μ͕ߦΘΕͯͳ͍͜ͱͷʮূ໌ʯΛɺ֎෦Ͱߦ͑Δ͜ͱ͕ॏཁ
    վ͟ΜΛ (৵ೖऀʹͱͬͯ)ʮ೉͘͢͠Δʯ͚ͩͰ͸ෆे෼
    ͦͷଞɺղ͖͍ͨ໰୊Λղ͘ͷʹඞཁͳཁૉٕज़͸ɺϒϩοΫνΣʔϯҎલ͔Βଘࡏ͍ͯ͠ΔͷͰ͸ʁ
    ྫ : Մ༻ੑɾ଱ো֐ੑͷͨΊͷෳ੡&෼ࢄ߹ҙٕज़ɺࣗ཯ੑͷͨΊͷ P2P, etc.
    ϒϩοΫνΣʔϯʹ͍ͭͯ૽͕Ε͍ͯΔ෦෼ͷଟ͘͸୯ʹʮ෼ࢄγεςϜͷੑ࣭ʯ
    ඞཁʹԠͯ͡طଘͷٕज़Λద༻Ͱ͖Δ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.38/49

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  42. ਖ਼౰ੑͷอূ – ࣝผࢠͱެ։ݤͷ෼཭
    "
    "
    ೖྗͳ͠
    ॺ໊ηΫγϣϯ
    59 " Ѽͯ
    ॺ໊ʹ࢖͏
    ϖΞ
    ॺ໊ͷݕূʹ࢖͏
    ެ։ݤͷ
    μΠδΣετ
    ͸ࣝผࢠͱ
    Ұக͢Δ͔
    " ͷࣺͯൿີݤ
    " ͷൿີݤ܈
    " ͷެ։ݤ܈
    "ͷࣝผࢠ
    "ͷࣝผࢠ
    Ѽઌ
    มߋݖΛ
    ΋ͭ

    ରԠ
    Ϛϧνγά΋ར༻Մ
    " ͷࣺͯެ։ݤ

    ॺ໊
    ग़ྗ
    ॳظରԠ͚ͮ

    ެ։ݤμΠδΣετ
    ࣝผࢠΛެ։ݤͷμΠδΣετͱ͠ɺ
    ެ։ݤ܈ͱͷॳظରԠ͚ͮΛߦ͏ 59 ͸
    ࣝผࢠͱϖΞͱͳΔൿີݤͰॺ໊͞Εͯ
    ͍ͳ͚Ε͹ͳΒͳ͍͜ͱʹ͢Δɻ
    ൿີݤ͕ࣦΘΕͨΒΞηοτͷίϯτϩʔϧΛࣦ͏ɺͱ͍͏ࣄଶΛආ͚ΔͨΊɺࣝผࢠͱެ։ݤ͸෼཭͢Δඞཁ͕͋Δ
    ࣝผࢠͱެ։ݤͷରԠ͚ͮ͸ΞϓϦέʔγϣϯʹ೚͞Ε͓ͯΓɺ্͸ͦͷํ๏ͷҰྫ (bbc1-lib-std Ͱఏڙ)
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.39/49

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  43. །Ұੑͷ߹ҙ
    Ξηοτ͸௨ৗͷઃܭͰ͸࠴຿ऀ΍੹೚ऀ͕ଘࡏ͢Δ
    Ҡస͕ೋॏʹى͜Δ (ೋॏফඅ; double spending) ৔߹ʹෆརӹΛඃΔͷ͸
    ͦͷ࠴຿ऀ/੹೚ऀ
    ैͬͯɺҠస΍ঢ়ଶૢ࡞Ұൠʹ࠴຿ऀ/੹೚ऀͷॺ໊Λཁ͢ΔΑ͏ʹ
    ΞϓϦέʔγϣϯΛߏ੒͢Δ
    ࠴຿ऀ/੹೚ऀ͕୯Ұނো఺ (single point of failure) ʹͳΔͷΛආ͚ΔͨΊɺ
    ඞཁͳΒ͹ෳ੡ͱ෼ࢄ߹ҙ (Paxos ܥ) Λߦ͏
    ࣝผࢠͱެ։ݤ͸෼཭͞Ε͍ͯΔͨΊɺෳ੡͸ݸʑʹݤϖΞΛ࣋ͯΔ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.40/49

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  44. ਓؒͷσδλϧ௨՟ʹ޲͚ͯ :
    ઃܭऀͱͯ͠ԿΛߟ͑Δ͔
    ՟ฎɾ௨՟͸݁ہɺॏཁͰ͸ͳ͍ͷͰ͠ΐ͏
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.41/49

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  45. αΠϘʔάࣾձ
    αΠϘʔά (cyborg) = αΠόωςΟ
    οΫ (cybernetic) ͳ૊৫ମ (organism)
    ࣾձ͕৽͍͠໨΍ࣖɺख΍଍Λ΋ͭ
    ྫ 1
    : Ͳ͜ʹ͍ͯ΋ʮ౻୔ࢢ෇ۙʹӍӢ͕͍͍ۙͮͯ·͢ʯͱ஌ΕΔ ← ࠓίί
    ྫ 2
    : ࣮ࡍʹՈͷચ୕෺ΛϩϘοτ͕औΓࠐΜͰ৞Ή
    ͍ΖΜͳ͜ͱ͕ࣗಈԽ͞ΕΔ ⇒ ՟ฎ͕ෆཁͳࣾձʁ
    (1) ࿑ಇͷରՁͱͯ͠ͷ՟ฎͱ͍͏ͱ͖ͷʮ࿑ಇʯͷมԽ
    (2)ʮཉ๬ͷೋॏͷҰகʯ͕ࣗಈԽ͞ΕͨΓʮަ׵ʯࣗମ͕ෆཁʹͳΔ
    ⇒ ͔͠͠ɺͦͷ৽ͨͳ໨΍ࣖΛ௨ͯ͠஌ΒΕͨ಺༰͸ਖ਼͍͔͠ʁ
    ੍ͦͯ͠ޚͷ൑அ͸ਖ਼͍͔͠ʁެਖ਼͔ʁόΠΞε͸ແ͍͔ʁ
    ʮࣗಈԽ͞Ε͍ͯΔ࢓૊ΈΛͲ͏৴པͰ͖Δ͔ʯ ← Ϩοδϟʔͷඞཁੑ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.42/49

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  46. ࢲͷݚڀͷΰʔϧ
    ʮະདྷͷܦࡁ͸ɺͪΐ
    ͬͱҧ͍ͬͯΔͷͰ͢ɻ24 ੈلʹ͸ɺϚωʔ͸ଘࡏ͠ͳ͍
    ͷͰ͢Αɻ
    . . .
    ෋ͷ֫ಘ͸ɺ΋͸΍ࢲͨͪͷੜ׆ͷۦಈྗͰ͸͋Γ·ͤΜɻ
    ࢲͨͪ͸ɺࣗ෼ͱࣾձΛΑΓΑ͘͢ΔͨΊʹಇ͍͍ͯΔͷͰ͢ʯ
    — δϟϯ=Ϧϡ
    οΫɾϐΧʔυ
    “The economics of the future are somewhat different. You see, money doesn’t
    exist in the 24th century.
    . . .
    The acquisition of wealth is no longer the driving
    force in our lives. We work to better ourselves and the rest of humanity.”
    — Capt. Jean-Luc Picard
    ϚωʔΛ࢖Θͣʹ฻Β͢͜ͱ͸Մೳʁ
    ΍ͬͨ͜ͱͳ͍Ͱ͔͢ʁ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.43/49

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  47. ܦࡁͱ৴༻ͷණࢁϞσϧ
    େࣄͳ΋ͷ͝ͱ͸ɺ͍ͭ΋ਫ໘ԼͰ੒͠਱͛ΒΕΔ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.44/49

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  48. ۚ༥՟ฎܦࡁγεςϜͷςτϥου (4ͭ૊)
    ަ׵ɾফඅɺஷ஝ɾ౤ࢿ
    ઐ໳෼Խɺ೶ߞɾ࢈ۀࣾձ
    ֨ࠩɾະདྷ͔Βͷࡡऔɾഁ࢈
    σδλϧ௨՟ɺϑΟϯςοΫͱ
    ͦͷઌ
    ڧԽ ൓స
    ճ෮ ਰୀ
    ࢧ഑ͱ෰ैɺώΤϥϧΩʔ
    ݸͷརӹͷ࠷େԽ
    (՟ฎແ͖) ৴༻γεςϜɺଃ༩ܦࡁ
    ઐ໳ະ෼Խɺङྌ࠾ूࣾձ
    ৽͍͠ϝσΟΞ͸աڈʹਰୀͤ͞ΒΕ͍ͯͨ΋ͷΛճ෮ͤ͞Δ͕ɺຊ౰ʹʮଃ༩ܦࡁʯ΍ʮઐ໳ະ෼Խʯ͸ճ෮͢Δͷ͔ʁ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.45/49

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  49. มԽͷτϨϯυ
    ՟ฎ΍ۚ༥͕ઌӶԽ͢Δͱʮަ׵ɾফඅʯ͸ఀ଺͢Δ
    → γΣΞϦϯάΤίϊϛʔ͕୆಄͢Δ
    ઐ໳ੑΛ൐ΘͣʹܦࡁΛӦΉϥΠϑελΠϧ (AI ΍σδϑΝϒʹΑΔޙԡ͠΋)
    → ՝੫͢΂͖ܦࡁ׆ಈ͕ॖୀ͢Δ
    ެڞΛ୲͏ํ๏ʹมԽ͕ੜ͡Δ ← ࢲͨͪʹͱͬͯͷػձ
    → ͦͷ࣌఺Ͱͦ΋ͦ΋՟ฎͷਰୀ͕ى͖͍ͯΔ
    ՟ฎܦࡁͷݪཧΛਪ͠ਐΊ͍ͯ͘͜ͱͰɺٯʹ՟ฎΛඞཁͱ͠ͳ͍༥௨ͷ
    ιϦϡʔγϣϯ͕બ୒͞Ε͍͖ͯɺ՟ฎ͸Ή͠Ζද෣୆͔Βୀ͍͍ͯ͘
    → ʮޏ༻ʯ΍ʮചΓͱങ͍ͷ෼཭ʯͱ͍͏ߟ͑ํ่͕յ͢Δ
    ʮࢧ഑ऀ/ඃࢧ഑ऀʯ΍ʮੜ࢈ऀ/ফඅऀʯͱ͍ͬͨؔ܎༹͕͚͍ͯ͘
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.46/49

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  50. Twitter ͔Β
    ʮϚϚɺ๻ɺ࿑ಇͰੜ͖͍ͯ͘ʂʯ
    ʮԿݴͬͯΔͷɺ࿑ಇͰͳΜͯੜ͖͍͚ͯΔ༁ͳ͍͡Όͳ͍ɻ
    ɹͳΜͰ΋ػց͕΍ͬͯ͘ΕΔ͜ͷ࣌୅ʹɺ࿑ಇͰੜ͖͍͚ͯΔਓͳΜͯɺ
    ɹ΄ΜͷҰѲΓΑɻ
    ɹࢲͨͪී௨ͷਓ͸ɺՎΛՎͬͨΓɺֆΛඳ͍ͯɺ฻Β͍͔ͯ͘͠͠ͳ͍ͷɻ
    ɹ෼͔ͬͨΒɺ͓Վͷ࿅शͯ͠Βͬ͠Ό͍ʯ
    — @tsuchi_yami
    ಉ࣌ʹ͓ͦΒ͘ΤωϧΪʔͷੜ࢈ίετ͕ۃখԽ͠ɺ΄΅͢΂ͯΛແঈʹͰ͖Δ
    ͦΜͳ࣌୅ʹ΋͠ʮϕʔγοΫΠϯΧϜʯͩͬͨΒʮࣗ༝ͷ഑څ੍ʯͱͳΓɺ
    ࢲͨͪ΄΅શһ͕ (࿑ಇ͸͠·ͤΜ͕) ࣄ্࣮ͷౕྴͱͳΓ·͢
    ՟ฎܦࡁ͸ɺऴΘΔඞཁ͕͋Γ·͢ → ʮ৴༻ͷ৽ੈلʯͷ๯಄ͷ SF ʹͭͮ͘
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.47/49

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  51. ࡾͭ೹ͷऴΘΓ΁
    ͜Ε·Ͱࢲͨͪͷࣾձͷૅͩͬͨ֓೦ͷࡾͭ೹ͷऑମԽɾऴᖼɾ༷มΘΓ
    {͕ى͜Δ | Λى͜͢}
    ࠃՈ
    ՟ฎ ઐ໳෼Խ
    ɾ੫ۚͷ࢓૊ΈʹΑΓ
    ɹࢧ͖͑ͯͨ
    㱺͔͠͠ެڞΛ
    ɹ࣮ݱ͢Δํ๏ʹ
    ɹมԽͷஹ͠
    ɾ҆શอোʹΑΓ
    ɹࢧ͖͑ͯͨ
    㱺͔͠͠ઐ໳ੑʹଇΒͳ͍
    ɹܦࡁ͕ੜ·ΕΔஹ͠
    ɾަ׵ͷඞཁੑʹΑΓࢧ͖͑ͯͨ
    㱺͔͠͠ࢲ༗͔Βڞ༗ɾڞ༻ʹ޲͚ͨมԽͷஹ͠
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.48/49

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  52. ·ͱΊʹ୅͑ͯ
    ͜Ε͔Βࢲͨͪ͸ɺগͳ͘ͱ΋աڈ 400 ೥ɺ௕͍εύϯͰ͸աڈ 1 ສ೥΄Ͳͷ
    ࣾձͷมԽΛʮૣ໭͠ʯͯ࠶ߏ੒͢Δ
    ݸਓͷສೳੑ (ࣾձͷ෼ࢄ)

    ઐ໳෼Խ (ࣾձͷूத) ← ࠓίί

    ݸਓͷສೳੑ (ࣾձͷ෼ࢄ)
    ະདྷ͸Ή͠Ζङྌ࠾ूࣾձͷಛ௃Λඋ͑Δ (abundant future)
    ङྌ࠾ूࣾձʹϚωʔ͸͙ͦΘͳ͍
    ϛογϣϯͷݩʹू·ΓɺAI ΍ϩϘςΟΫεͷྗΛआΓͯɺࣗݾ࣮ݱͷͨΊʹ
    ڞʹ୳ٻ͢Δ
    ͢΂ͯͷ૊৫͸ NPO or kindergarten (͜Ͳ΋ͨͪͷ༡ͼͷఉ) ʹͳΔ
    ՟ฎ͸͔ͨͪΛม͑ (ઌ૆ฦΓͯ͠) ڞʹ୳ٻ͢Δ஥ؒΛࣔ͢ূͱͳΔʁ
    ϏϤϯυϒϩοΫνΣʔϯͱͦͷ՟ฎԠ༻ — 2019-01-16 – p.49/49

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