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Blockchainٕज़ग़ݱޙʹ͓͚Δ ࣗ཯ਓ޻γεςϜͷൃల ؔ੢େֶ૯߹৘ใֶ෦ B4 16-0233 ਿݪتҰ

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Introduction/Problem

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Blockchainͷ࠷ۙ(2008೥຤ˠ2021೥) ௨՟ Ծ૝ۭؒ Art Robot IoT

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Blockchainͱ͸:औҾཤྺΛ·ͱΊͨ෼ࢄతͳ୆ா Ҿ༻ܦࡁ࢈ۀলฏ੒̎̓೥౓զ͕ࠃܦࡁࣾձͷ৘ใԽɾαʔϏεԽʹ܎Δج൫੔උʢϒϩοΫνΣʔϯٕज़Λར༻ͨ͠αʔϏεʹؔ͢Δࠃ಺֎ಈ޲ௐࠪʣใࠂॻ֓ཁࢿྉ • औҾ • ྫ:A͔ΒBʹԁͱ͍͏DataΛ1000౉ͨ͠

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Blockchainͱ͸:औҾཤྺΛ·ͱΊͨ෼ࢄతͳ୆ா Ҿ༻ܦࡁ࢈ۀলฏ੒̎̓೥౓զ͕ࠃܦࡁࣾձͷ৘ใԽɾαʔϏεԽʹ܎Δج൫੔උʢϒϩοΫνΣʔϯٕज़Λར༻ͨ͠αʔϏεʹؔ͢Δࠃ಺֎ಈ޲ௐࠪʣใࠂॻ֓ཁࢿྉ • औҾ • A͔ΒBʹԁͱ͍͏DataΛ1000౉ͨ͠ • औҾཤྺΛ·ͱΊΔ • 1ͭલͷऔҾData͔Β࡞ΔHashΛҰॹʹอଘ

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Blockchainͱ͸:औҾཤྺΛ·ͱΊͨ෼ࢄతͳ୆ா Ҿ༻ܦࡁ࢈ۀলฏ੒̎̓೥౓զ͕ࠃܦࡁࣾձͷ৘ใԽɾαʔϏεԽʹ܎Δج൫੔උʢϒϩοΫνΣʔϯٕज़Λར༻ͨ͠αʔϏεʹؔ͢Δࠃ಺֎ಈ޲ௐࠪʣใࠂॻ֓ཁࢿྉ • औҾ • A͔ΒBʹԁͱ͍͏DataΛ1000౉ͨ͠ • ෼ࢄత • ֤ϊʔυ͕ཤྺσʔλΛอଘ • औҾཤྺΛ·ͱΊΔ • 1ͭલͷऔҾData͔Β࡞ΔHashΛҰॹʹอଘ

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Ҿ༻ܦࡁ࢈ۀলฏ੒̎̓೥౓զ͕ࠃܦࡁࣾձͷ৘ใԽɾαʔϏεԽʹ܎Δج൫੔උʢϒϩοΫνΣʔϯٕज़Λར༻ͨ͠αʔϏεʹؔ͢Δࠃ಺֎ಈ޲ௐࠪʣใࠂॻ֓ཁࢿྉ Blockchainͱ͸:औҾཤྺΛ·ͱΊͨ෼ࢄతͳ୆ா

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Ҿ༻ܦࡁ࢈ۀলฏ੒̎̓೥౓զ͕ࠃܦࡁࣾձͷ৘ใԽɾαʔϏεԽʹ܎Δج൫੔උʢϒϩοΫνΣʔϯٕज़Λར༻ͨ͠αʔϏεʹؔ͢Δࠃ಺֎ಈ޲ௐࠪʣใࠂॻ֓ཁࢿྉ Blockchainͱ͸:औҾཤྺΛ·ͱΊͨ෼ࢄతͳ୆ா தԝूݖతʹ৘ใΛ؅ཧ ෼ࢄతʹιϑτ΢ΣΞͰ৘ใΛ؅ཧ

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Ҿ༻ܦࡁ࢈ۀলฏ੒̎̓೥౓զ͕ࠃܦࡁࣾձͷ৘ใԽɾαʔϏεԽʹ܎Δج൫੔උʢϒϩοΫνΣʔϯٕज़Λར༻ͨ͠αʔϏεʹؔ͢Δࠃ಺֎ಈ޲ௐࠪʣใࠂॻ֓ཁࢿྉ ৘ใͷѻ͍ • P2P͕ͩτϥετϨε • ૬खΛ৴པͤͣʹऔҾՄ ೳ • OpenͰվ͟Μࠔ೉ • γεςϜ͕ݎ࿚(Robust) Blockchainͱ͸:औҾཤྺΛ·ͱΊͨ෼ࢄతͳ୆ா

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Blockchainͷ࠷ۙ(2008೥຤ˠ2021೥) ௨՟ Ծ૝ۭؒ Art Robot IoT

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ڵຯ:Blockhainٕज़Ͱ૊৫ͷgovernance ࢀߟ:PVTTFG&M'BRJSΒ"OPWFSWJFXPGEFDFOUSBMJ[FEBVUPOPNPVTPSHBOJ[BUJPOTPOUIFCMPDLDIBJO 0QFO4ZN1SPDFFEJOHTPGUIFUI*OUFSOBUJPOBM4ZNQPTJVNPO0QFO$PMMBCPSBUJPO"VHVTU"SUJDMF/P1BHFTr ؅ཧ:Ұ෦ͷݖҖऀ ؅ཧ:Blockchain্ͷιϑτ΢ΣΞ

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ڵຯ:Blockhainͱࣗ཯෼ࢄ Blockchain ࣗ཯෼ࢄγεςϜ ޿:طଘͷγεςϜ ࣗ཯෼ࢄͳ૊৫ ڱ:طଘͷ૊৫

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ڵຯ:Blockhainͱࣗ཯෼ࢄ Blockchain ࣗ཯෼ࢄγεςϜ ޿:طଘͷγεςϜ ࣗ཯෼ࢄత૊৫ ڱ:طଘͷ૊৫ ??? طଘͷࣗ཯෼ࢄγεςϜ ???

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՝୊:Blockcahinٕज़͕༩͑Δࣗ཯ੑʁ෼ࢄੑ? Blockchain ࣗ཯෼ࢄγεςϜ ޿:طଘͷγεςϜ ࣗ཯෼ࢄత૊৫ ڱ:طଘͷ૊৫ ??? ??? طଘͷࣗ཯෼ࢄγεςϜ ???

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Blockchain ࣗ཯෼ࢄγεςϜ ޿:طଘͷγεςϜ ࣗ཯෼ࢄత૊৫ ڱ:طଘͷ૊৫ ??? ??? ํ਑:γεςϜͷϑϨʔϜΛ༻ҙ(ൣғͱཁૉͷઃఆ) ՝୊:Blockcahinٕज़͕༩͑Δࣗ཯ੑʁ෼ࢄੑ?

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Solution

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ఏҊ:ࣗ཯ਓ޻γεςϜͱ͍͏ܥ γεςϜͷൣғઃఆ γεςϜͷཁૉઃఆ ܥ:ਓؒͱܦࡁ׆ಈ͕Ͱ͖ΔΑ͏ͳࣗ཯ੑͷ͋Δਓ޻ͷγεςϜ

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γεςϜͷൣғઃఆํ਑ Blockchain ࣗ཯෼ࢄత૊৫ ڱ:طଘͷ૊৫ ࣗ཯ੑʁ

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ࣗ཯ੑͱࣗಈੑ • ࣗ཯ੑ • ໨తୡ੒ͷͨΊɺ͍Ζ͍Ζͳৼ෣͍Λࢼ ͨ͠Γɺ৽ͨͳৼ෣͍Λ֫ಘͨ͠ΓͰ͖ Δೳྗ • ࣗಈੑ • ໨తୡ੒ͷߦಈબ୒͕γεςϜࣗ਎ʹͳ ͍(ਓ޻෺͸࡞੒ऀʹ͋Δ) ࢀߟࣗ཯ɾ૑ൃɾ൚༻"*ΞʔΩςΫνϟࣗ཯ͱࣗಈͷҧ͍

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ࣗ཯ੑͱࣗಈੑ • ࣗ཯ੑ • ໨తୡ੒ͷͨΊɺ͍Ζ͍Ζͳৼ෣͍Λࢼ ͨ͠Γɺ৽ͨͳৼ෣͍Λ֫ಘͨ͠ΓͰ͖ Δೳྗ • ࣗಈੑ • ໨తୡ੒ͷߦಈબ୒͕γεςϜࣗ਎ʹͳ ͍(ਓ޻෺͸࡞੒ऀʹ͋Δ) ࢀߟࣗ཯ɾ૑ൃɾ൚༻"*ΞʔΩςΫνϟࣗ཯ͱࣗಈͷҧ͍

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ߴ౓ͳࣗ཯ੑͱͯ͠ͷࣾձੑ • ࣾձੑ͕͋Δ͔Ͳ͏͔ • ଞͷΤʔδΣϯτͱڠྗͯ͠૊৫Λߏ੒ ͠໰୊ղܾΛ࣮ߦͰ͖Δ͔ • ਓؒͱίϛϡχέʔγϣϯɺܦࡁ׆ಈ͕ Ͱ͖Δ͔ʁ

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γεςϜͷൣғ

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γεςϜͷൣғ ࣗ཯ਓ޻ • ࣗ཯ࣗવ • ࣗવ੡ͷࣗ཯ੑ • ࢓૊Έෆ໌ • ࣗ཯ਓ޻ • ࣗ཯ࣗવΛ༻͍ͯɺਓ޻ తʹ࣮ݱ

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γεςϜͷཁૉ~֓؍~

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γεςϜͷཁૉ~Membrane~ • Membrane(ບ) • γεςϜ಺ͱ֎քΛ෼͚Δ • ॴ༗ػೳ

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γεςϜͷཁૉ~Resource~ • Resource(ࢿݯ) • MembraneʹΑͬͯॴ༗Մೳ • Functionʹར༻͢ΔͨΊͷཁૉ • Things,SystemͳͲ...

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γεςϜͷཁૉ~Function,Service~ • Function(ੜ੒ػೳ) • Input:Resource • Output:Resource΍Service • Service(αʔϏε) • ॴ༗ෆՄೳ • ਓؒʹফඅ͞ΕΔੜ੒෺

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γεςϜͷཁૉ~Governance~ • Governance(Ψόφϯε) • ࣗ཯ੑΛ༗͢Δ • ਓؒͷࣗ཯ੑΛ಺แ࣮ͯ͠ݱ • Governance͕ͳ͍γεςϜ

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γεςϜͷཁૉ~֓؍·ͱΊ~

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After Blockchain

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BlockchainʹΑΔγεςϜ΁ͷӨڹ • ػೳత෼ࢄ • Blockchain ্ʹγεςϜΛ࣮૷(Membrane΍ Function͕BlockchainϞδϡʔϧͰҰ෦࣮૷) • ࣗ཯ੑͷ෼ࢄ • governance͕෼ࢄ(governance͕Blockchain ͰҰ෦࣮૷)

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ػೳత෼ࢄ~Blockchain ্ʹγεςϜΛ࣮૷~ ৘ใͷѻ͍ • P2P͕ͩτϥετϨε • ૬खΛ৴པͤͣʹऔҾՄೳ • OpenͰվ͟Μࠔ೉ • γεςϜ͕ݎ࿚(Robust)

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ࣗ཯ੑͷ෼ࢄ ݖҖऀ தԝతͳgovernance ݖҖऀ ҙࢥܾఆ ҙࢥܾఆʹؔ༩Ͱ͖ͳ͍ࣗ཯ੑͷ͋ΔγεςϜ ࿑ಇऀ Ϣʔβʔ גओ ։ൃऀ

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ࣗ཯ੑͷ෼ࢄ ૑ۀऀ ෼ࢄతͳgovernance ҙࢥܾఆ ࿑ಇऀ Ϣʔβʔ גओ ։ൃऀ Blockchain ҙࢥܾఆapp

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ࣗ཯ੑ෼ࢄͷ޲͖ɺෆ޲͖ धཁ͕ෆ໌ͳ Resource,Serviceͷ։ൃ ެڞ෺ϨϕϧͰඞཁͳ Resourceͷ։ൃ

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ࣗ཯ੑ෼ࢄɺԿ͕޲͍ͯΔʁ(࣮ࡍ) धཁ͕ෆ໌ͳ Resource,Serviceͷ։ൃ ެڞ෺ϨϕϧͰඞཁͳ Resourceͷ։ൃ ௨՟ Computer ۚ༥ धཁ͕͋ΔResource ࣮૷͕؆୯ͳ΋ͷʁʁ

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BlockchainʹΑΔγεςϜ΁ͷӨڹ • ػೳత෼ࢄ • Blockchain ্ʹγεςϜΛ࣮૷(Membrane΍ Function͕BlockchainϞδϡʔϧͰҰ෦࣮૷) • ࣗ཯ੑͷ෼ࢄ • ࣗ཯ੑ͕෼ࢄ(governance͕BlockchainͰҰ෦ ࣮૷)

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࣭໰༻εϥΠυ

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ࣗ཯෼ࢄγεςϜͷະདྷ • Service,Resource • Resource͸ϞδϡʔϧԽ • धཁͷ͋ΔResource͕ެڞ෺Խͯ͠Δ • (௨՟,Computer,Storage,Finance,DNSͱ͔...) • Service͸࢒Δ(ͨͩ͠ɺService͸content+Resource͔΋...)

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γεςϜͷཁૉ • طଘͷཁૉ • ৘ใ Information • ෺࣭ Material • ΤωϧΪʔ Energy • ࡉ͔͗͢Δ • ߟ͍͑ͨͷ͸ɺ૊৫ɺ͋ΘΑ͘͹application