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Blockchain Kyoto #10 Presentation

Hide Ogawa
December 17, 2018

Blockchain Kyoto #10 Presentation

/ Trustless
/ Trust
/ Market Design
/ Decentralization

Hide Ogawa

December 17, 2018
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Transcript

  1. 3FEFTJHO
    #MPDLDIBJO,ZPUP
    ΦΨϫɹώσϢΩ

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  2. )FMMP
    খ઒ɹӳ޾ɹ!NB[BSJNPOP
    #MPDLDIBJO,ZPUP ͸ΜͳΓ1ZUIPOͷձΦʔΨφΠβʔ
    ܦӦ߹ಉձࣾ௕໨
    ϒϩοΫνΣʔϯ࢖ͬͯΈ͍ͨ
    ͳʹ͝ͱʹ΋શྗΛʂɹ

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  3. 5PEBZ
    ͜͜࠷ۙௐ΂ͨ͜ͱΛ·ͱΊͯ࿩͠·͢
    5SVTUMFTT
    5SVTU
    ϚʔέοτσβΠϯ
    ඇதԝूݖ૊৫

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  4. 5SVTUMFTT
    ϒϩοΫνΣʔϯք۾ͰΑ͘࢖ΘΕΔ͜ͷݴ༿
    ୭΋৴༻͠ͳ͍Ͱ΋ϒϩοΫνΣʔϯ͕
    ࢖͑Δͱ͍͏Α͏ʹඈ༂ͨ͠ཧղ͕ߦΘΕ͍ͯΔ
    ͜ͷձͰ΋ͦͷΑ͏ͳٞ࿦͕ߦΘΕͨ
    ʢྫ͑͹ճઢͳͲΠϯϑϥʹର͢Δ৴༻͸ඞཁͰ͋Δʣ
    ߥా͞ΜʹΑΔͱ
    4BUPTIJ1BQFSʹ͸ʮ৴པͰ͖Δୈࡾऀػؔ
    ͷ஥հͳ͠ʹૹ͕ۚͰ͖Δʯ͕ͦΕҎ্ͷ͜ͱ͸ॻ͍͍ͯͳ͍ɻ
    ʢݴ༿ͷ࢖͍ํͷҧ͍ʣ

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  5. 5SVTUMFTT
    ϊʔϕϧܦࡁֶ৆ड৆ͷέωεɾΞϩʔ
    ʮ΄΅͢΂ͯͷ঎औҾʹ͸ɺ͓ͷͣͱ৴པͷཁૉ͕ଘࡏ͠ɺ
    ҰఆظؒऔҾ͕ܧଓ͢Δ৔߹ʹ͸ඞͣ৴པ͕ଘࡏ͢Δʯɻʢதུʣ
    ʮ͜ͷੈքʹ͓͚Δܦࡁൃలͷ஗Εͷ΄ͱΜͲ͸ɺ૬ޓ৴པ͕
    ͚͍ܽͯΔ͜ͱ͕ݪҼͩͱݴ͑ΔͩΖ͏ʯ
    ϨΠνΣϧɾϘοπϚϯ
    53645ੈք࠷ઌ୺ͷاۀ͸͍͔ʹʪ৴པʫΛ߈ུ͔ͨ͠
    ,JOEMFͷҐஔ/P

    ೔ܦ#1ࣾ,JOEMF൛

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  6. 5SVTUMFTT

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  7. 5SVTU
    ৴པͱ͸ԿͰ͠ΐ͏ʁʁʁ

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  8. 5SVTU
    ϨΠνΣϧɾϘοπϚϯ
    53645 ࣾձֶऀ΋৺ཧֶऀ΋ܦࡁֶऀ΋ɺ৴པΛຐ๏
    ͷΑ͏ͳܦࡁͷສೳༀͰ͋ΓɺࣾձΛͻͱͭʹ·ͱΊ
    ܦࡁΛճ͍ͯ͘͠५׈ࡎͩͱߟ͍͑ͯΔɻ
    ৴པ
    ɾط஌ͷ΋ͷͱະ஌ͷ΋ͷͷ伱ؒΛຒΊΔ͜ͱ
    ɾ৴པ͸ະ஌ͷ΋ͷʹࣗ৴Λ࣋ͭ͜ͱ
    ྫ͑͹ɺະ஌ͷ΋ͷΛͦΕΛ஌Βͳ͍ਓʹ
    ࢖ͬͯ΋Β͑ΔΑ͏ʹ͢Δ͜ͱ
    ɾͦͷ৴པͷ͔ͨͪͷมԽ͕
    ςΫϊϩδʔʹΑΓى͜Δ

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  9. 5SVTU

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  10. 5SVTU
    ຊͰ͸ΞϦόόͷδϟοΫɾϚʔ͕͜Ε·Ͱڞ࢈ౘͷίω
    ࣾձͰ͋ͬͨதࠃͰωοτͰ͏·͘৴༻Λಘͯɺ
    ΞϦόό͕੒௕͍ͯͬͨ͜͠ͱ͕ड़΂ΒΕΔɻ
    ͦ͜Ͱ࢖ΘΕͨͷ͸Πϯλʔωοτͱ͍͏৽͍͠
    ςΫϊϩδʔʹΑͬͯ৴པͷนΛ৐Γӽ͑ͤ͞Δ
    ͱ͍͏͜ͱͩͬͨɻ
    ৴པͷඈ༂ʢ໘ന͍ͱࢥ͏Μ͚ͩͲ໌֬ʹఆٛ͸͞Ε͍ͯͳ͍ʣ
    ϦεΫΛऔͬͯ৽͍͠ߦಈʹग़Δͱ͖ʹى͜Δ
    ωοτγϣοϐϯά͕࢖ΘΕͩͨ͠Γ
    ػؔʹର͢Δ৴པ͸ෆਖ਼ͳͲʹΑΓ
    ࣦΘΕɺঃʑʹݸਓʹ৴པ͕Ҡಈ࢝͠Ί͍ͯΔ
    ʢΧτϦοΫ༮ࣇٮ଴ɺ78೩අෆਖ਼ɺ೔࢈ͷෆਖ਼ʣ

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  11. 5SVTU
    "JSCOC

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  12. 5SVTU
    "JSCOC
    ஌Βͳ͍ਓ͕஌Βͳ͍ਓͷՈʹധ·ΔϏδωεϞσϧ
    ΞϝϦΧͱ͔ॐͰܸͨΕΔ͔΋͠ΕΜ͠ͳʔ
    $UP$ݸਓରݸਓ
    ͜Ε·Ͱେ͖͍ػ͕ؔߦ͍ͬͯͨϏδωεΛݸਓ͕ߦ͍࢝Ί͍ͯΔ
    ϓϥοτϑΥʔϜͰ৴པ͕ൃੜ͢ΔΑ͏ͳσβΠϯ͕
    ໨ࢦ͞Ε͍ͯΔɻ

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  13. 5SVTU
    ɹ৴པͷ͔ͨͪͷมԽ
    ৴པͷͨΊͷσβΠϯ
    ͦΕΒͷσβΠϯͷͨΊʹ
    ॏཁͳ͜ͱͬͯʁʁ

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  14. 5SVTU

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  15. 5SVTU

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  16. .BSLFU%FTJHO
    ɾɹࢢ৔ݟ͑͟ΔखʹΑΓधڅ͕ௐ੔͞ΕՁ͕ܾ֨ఆ
    ɹɹ͞ΕΔඇதԝूݖతͳଘࡏɻ
    ɹ
    ɾɹࢢ৔ɹରɹܭըܦࡁɹ
    ɾɹࢢ৔ͷࣦഊɹϦʔϚϯγϣοΫʢେۚ༥ڪ߄ʣ
    ɾɹ͏·͍͘͘ࢢ৔ͱ͏·͍͔͘ͳ͍ࢢ৔
    ɹɹͦͷத਎Λ΋͏ͪΐͬͱݟͨ΄͏͕ྑ͍ͷͰ͸ʁʁ

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  17. .BSLFU%FTJHO
    ɾ৽੍౓ܦࡁֶ
    ɹɹɾ৽ݹయ೿͔Βͷൃల
    ɹɹɾࢢ৔͸์͓͍ͬͯͯ΋͏·͍͘͘ͱ͜Ζͱͦ͏Ͱ
    ɹɹɹͳ͍ͱ͜Ζ͕͋Δɻ
    ɹɹɹɹͦͷࠩɹɹɹʹʹʹʹʼɹ੍౓ *OTUJUVUJPOTʣ
    ɹɹɾ੍౓
    ɹɹɾϑΥʔϚϧϧʔϧʢཱݑతͳ΋ͷʣͱΠϯϑΥʔ
    ɹɹɹϚϧϧʔϧʢࠃಠಛͳ΋ͷʣ
    ɾ੍౓ͷ૊Έ߹Θͤ͸ෳࡶͰɺ੒ޭͨ͠ࠃͷγεςϜΛ
    ಋೖ͔ͨ͠ΒͱଞͷࠃͰ΋੒ޭ͢Δͱ͸ݶΒͳ͍ɻ

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  18. .BSLFU%FTJHO
    ɾϚʔέοτσβΠϯ
    ɹɾࢢ৔ͷࣦഊ΍ػೳෆશʹؕͬͨܦࡁ੍౓ΛͲͷΑ͏
    ɹɹʹ࠶ઃܭͨ͠Βྑ͍ͷ͔ʁͱ͍͏໰୊Λղܾ͢Δɻ
    ɹɾࣗ༝ࢢ৔͕ద੾ʹػೳ͢ΔͨΊʹ͸Կ͕ඞཁ͔ɺ
    ɹɹࢼߦࡨޡ͠ͳ͕ΒͦΕΛ୳͢ɻ͔ͳΓࡉ͔͍υϝΠ
    ɹɹϯ஌͕ࣝඞཁɻ
    ɹɾ΋ͱͱͳΔͷ͸Ϛονϯάɻࣗ෼ͷબ޷ͷΈͰͳ͘
    ɹɹ૬खͷબ޷΋ຬͨ͞ΕΔΑ͏ͳղ͕ٻΊΒΕΔɻ

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  19. .BSLFU%FTJHO
    ࠞཚͨ͠ࢢ৔Λ
    ͏·੍͘౓ઃܭͨ͠Θ͔ΓΑ͍ࣄྫ
    ֗தͰϘʔϧΛୣ͍߹͏
    ໎࿭ۃ·Γͳ͍ήʔϜ

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  20. .BSLFU%FTJHO
    ϧʔϧ͕࡞ΒΕϏοάϏδωεʹ

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  21. .BSLFU%FTJHO
    ਅͷࢢ৔
    டং͋Δ૪͍ͷ৔ॴ

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  22. .BSLFU%FTJHO
    ɾࢀՃऀ੍͕౓ͷཪΛ߈Ίͳͯ͘ྑ͍Α͏ʹɻ
    ɾඞཁͳ͜ͱٻΊ͍ͯΔ΋ͷΛߟ͑Δ͚ͩͰྑ͍Α͏ʹɻ
    ɾଟগɺ੍౓ͷཪΛ͔͘Α͏ͳਓ͕͍ͯ΋ࢢ৔͕ػೳ͢ΔΑ͏ʹɻ
    ɾࢀՃऀ͕҆શ͔ͭ؆୯ʹࢢ৔ʹࢀՃͰ͖ΔΑ͏ʹɻ
    ɾࢢ৔ͷഁյɿࡒ࢈ͷอূʹؔ͢Δਓʑͷ৴པΛ่͢ɻ

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  23. .BSLFU%FTJHO
    ͏·͍ࢢ৔ઃܭ
    औҾඅ༻͕গͳ͍
    औҾඅ༻ɹ
    ɾܦࡁऔҾΛߦ͏ࡍͷίετ
    ɾԾ૝௨՟ަ׵ॴͰͷऔҾʢख਺ྉʣ
    ɾ͓ۚͰදͤΔίετͱදͤͳ͍ίετͷଘࡏ

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  24. .BSLFU%FTJHO
    ɾɹࢢ৔͸͏·͍͘͘Α͏ઃܭ͕ඞཁʂ
    ɾɹͦͷ໨҆͸औҾίετͷ཈੍۩߹
    ɾɹٯʹݴ͏ͱऔҾίετͷߴ͍ࢢ৔͸ࢀೖνϟϯεʂ

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  25. %FDFOUSBMJ[BUJPO
    ɾɹதԝूݖPSඇதԝूݖܕɹ
    ޷Έ͸ਓʹΑΔɻ
    τϯσϞφΠఱ࠽ʹ཰͍ΒΕΔ૊৫ͷҰһͱͯ͠ಇ͔͘ɺ
    ࣗ෼ͰͲΜͲΜ΍͍͖͍ͬͯͨλΠϓ͔ʁ
    ྫ͑͹ɺࣗ෼ͰͲΜͲΜ΍͍͖͍ͬͯͨਓ͕
    τοϓͷྗ͕ڧ͗͢Δ૊৫ʹ͍ΔͱϑΟοτ͠ͳ͍͠ɺ
    ٯ΋·ͨ͋Δɻ

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  26. %JDFOUSBMJ[BUJPO
    ɾɹதԝूݖPSඇதԝूݖܕɹ
    ίετ͕ඇதԝूݖͷ΄͏͕͍҆ͱݴΘΕΔ͜ͱ΋ଟ͍
    ͔͠͠ɺҰํతʹͦͷΑ͏ͳ͜ͱΛ͍͏ࣄ΋Ͱ͖ͳ͍
    খ͞ͳ૊৫ͩͱதԝूݖతͳ૊৫ͷҙࢥܾఆͷίετ͸ͦΕ΄Ͳͳ͍
    ҰํͰڊେ૊৫ͩͱதԝूݖͩͱҙࢥܾఆͷίετ͸ߴ͘ɺ
    ͦͷ૊৫ͷϥϯχϯάίετ΋ߴ͍
    ҰํͰ૊৫ͷܗΛม͑Δࠔ೉͞΋͋Δ

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  27. %FDFOUBSBMJ[BUJPO
    ɾɹதԝूݖPSඇதԝूݖܕ
    தԝूݖతͳ૊৫͸཰͍͍ͯΔఱ࠽͕͍ͳ͘ͳΔͱ่յ͢Δ
    ෼ࢄܕ૊৫͸ίϯηϯαε͕औΕͳ͍ͱ่յ͢Δ

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  28. %FDFOUSBMJ[BUJPO
    ɾɹதԝूݖPSඇதԝूݖܕɹ

    ݱࡏͷ೔ຊͰ͸ԿͰ΋੓෎ʹཔΔ܏޲ʹ͋Δɻ
    ͦͯ͠ɺίετ͸૿͑ଓ͚ɾɾɾɾ
    ੫཰΋্͕͍ͬͯ͘ɻ
    ྫ͑͹

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  29. %FDFOUSBMJ[BUJPO
    ߴ͍ͳΒ͍҆ͱ͜Ζʹಈ͘ͷ͕
    ࢿຊओٛͳ͸ͣͳͷͰ͕͢ɾɾɾ
    ͜ͷΑ͏ͳࣄྫ͕࠷ۙͨ͘͞Μ͋Γɺ೔ຊ͸࣮֬ʹ୤ࢿຊओٛԽ
    ͍ͯ͠ΔΑ͏ʹݟ͑Δɻ

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  30. %JDFOUSBMJ[BUJPO
    ࡾݖ෼ཱ
    ߦ੓ݖ
    ཱ๏ݖ ࢘๏ݖ
    ͜ͷΑ͏ͳݖྗͷ෼ࢄԽػೳ͕
    ૊Έࠐ·Ε͍ͯΔ͕ɺ࣮࣭తʹ͸Ͳ͏͔ʁ

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  31. %FDFOUSBMJ[BUJPO
    ϒϩοΫνΣʔϯͷࡾݖ෼ཱ
    ϚΠφʔ
    σΟϕϩούʔ Ϣʔβʔ
    ෼ཱʹͳ͍ͬͯΔ͔ʁʁ
    Ϣʔβʔऑ͗͢͡Όͳ͍ʁʁʁ
    ϚΠφʔڧ͗͢͡Όͳ͍ʁʁ

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  32. %FDFOUSBMJ[BUJPO
    ϒϩοΫνΣʔϯͷઃܭΛม͑Δ
    ϚΠφʔ
    σΟϕϩούʔ Ϣʔβʔ
    ؂ࢹ૊৫
    ؂ࢹ૊৫ͷ
    ΠϯηϯςΟϒઃܭʁʁ
    औҾॴɹ☓
    ؂ࠪػؔ☓

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  33. %FDFOUSBMJ[BUJPO
    ɾɹඇதԝूݖPS෼ࢄܕɹ
    ϒϩοΫνΣʔϯͰ͸ඇதԝूݖͱ͍͏ݴ༿͕࢖ΘΕ͍ͯΔ
    ߟ͑ͯΈΔͱ෼ࢄܕͱ͸·ͨҧ͏

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  34. %JTUSJCVUFE
    2VBSB8IBU`TUIFEJ⒎FSFODFCFUXFFOEJTUSJCVUFEBOE
    EFDFOUSBMJ[FEJO#JUDPJOMBOE IUUQTCJUMZ[9HT[
    7JUBMJL5IFNFBOJOHPG%FDFOUSBMJ[BUJPOIUUQTCJUMZU&6:Z5

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  35. %JTUSJCVUFE
    ɾඇதԝूݖɹதԝ͕ෳ਺
    ɾ෼ࢄɹதԝूݖͰ΋ࢄΒ͹ͬͯͨΒྑ͍
    ɾͲͷΑ͏ͳઃܭ͕ٻΊΒΕ͍ͯΔ͔ʁ
    ɾϓϩτίϧ͕͋ͬͯͦͷӡ༻Λଟ͘ͷਓ͕ؔΘΔͱ͍͏
    ͷ͸ඇதԝूݖPS෼ࢄʁʁ

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  36. ݱ࣌఺·ͱΊ
    ɾઃܭ͸ॏཁ
    ์͓͍ͬͯͯ͏·͘͜ͱ͸ͦ͏ͦ͏ͳ͍ɻ
    ͦ͏ͳΔΑ͏ઃܭ͢Δ͜ͱɺͦΕΛमਖ਼͢Δ͜ͱॏཁɻ
    ɾڊਓͷݞͷ্ʹཱͭ
    ࠓ೔ݟͨΑ͏ʹ৭ʑͱܦࡁֶͰߟ͑ΒΕ͍ͯΔ
    ෦෼͕͋Δɻ
    ɾڵຯਂ͍෼໺Ͱ͋Δ
    ςοΫؔ࿈ٕज़ͷΈͰͳ͘๏ֶɺࣾձֶɺܦࡁֶ
    ͳͲଟ͘ͷ෼໺ͷߟ͕͑ඞཁͳ෼໺Ͱ͋Δɻ
    ͷͰɺΑΓଟ͘ͷ෼໺ͷਓʹࢀՃͯ͠΋ΒͬͯҙݟΛฉ͖͍ͨɻ

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