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Smart Contract Design Pattern
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Your Podcast. Everywhere. Effortlessly.
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yamarkz
August 30, 2018
Technology
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Smart Contract Design Pattern
blockchain.tokyo #11
yamarkz
August 30, 2018
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Transcript
4NBSU$POUSBDU%FTJHO1BUUFSO ,B[VLJ:BNBHVDIJ!ZBNBSL[ CMPDLDIBJOUPLZP
/BNF,B[VLJ:BNBHVDIJ $BSFFS(VOPTZJOD-BZFS9JOD +PC4PGUXBSF&OHJOFFS #MPDLDIBJO4NBSU$POUSBDU 4/4(JUIVC5XJUUFS !ZBNBSL[
CMPDLDIBJOUPLZPςʔϚ εϚʔτίϯτϥΫτ։ൃUJQT
ࠓ͢͜ͱ εϚʔτίϯτϥΫτ։ൃʹ͓͚Δ ՝ղܾͷϕετϓϥΫςΟε lσβΠϯύλʔϯzʹ͍ͭͯհ͠·͢ ˞4PMJEJUZΛ༻͍ͨεϚʔτίϯτϥΫτ։ൃΛલఏͱ͍ͯ͠·͢
ຊൃදͷ(0"- σβΠϯύλʔϯͱԿͳͷ͔͕Θ͔͍ͬͯΔ εϚʔτίϯτϥΫτ։ൃʹ͓͚ΔσβΠϯύλʔϯͷશମ૾Λཧղ͍ͯ͠Δ ࣮ࡍͷ։ൃʹσβΠϯύλʔϯ׆༻͍͚ͯ͠Δঢ়ଶʹͳ͍ͬͯΔ -FU`T(P
σβΠϯύλʔϯͱ σβΠϯύλʔϯΛֶͼɺཧղ͠ɺ׆༻͢Δҙٛ σβΠϯύλʔϯͷྨ σβΠϯύλʔϯͷհ 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 4BUFMMJUF1BUUFSO σβΠϯύλʔϯͷݚڀ ·ͱΊ "HFOEB
σβΠϯύλʔϯͱ σβΠϯύλʔϯΛֶͼɺཧղ͠ɺ׆༻͢Δҙٛ σβΠϯύλʔϯͷྨ σβΠϯύλʔϯͷհ 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 4BUFMMJUF1BUUFSO σβΠϯύλʔϯͷݚڀ ·ͱΊ "HFOEB
σβΠϯύλʔϯͱ
σβΠϯύλʔϯͱʜʁ
σβΠϯύλʔϯͱ σβΠϯύλʔϯઃܭͷܕ σβΠϯઃܭ ύλʔϯܕ
σβΠϯύλʔϯͱ σβΠϯύλʔϯઃܭͷܕ σβΠϯઃܭ ύλʔϯܕ ։ൃ࣮ͷઃܭܕΛzσβΠϯύλʔϯzͱ͍͏
σβΠϯύλʔϯͱ ίϯτϥΫτ։ൃʹ͓͍ͯɺԿ܁Γฦ͠ݱΕΔ࣮ߏʹܕ ύλʔϯ Λݟग़͠ɺ ͦͷܕ ύλʔϯ ͔Βநతͳॲཧͷઃܭ σβΠϯ Λ࡞Γग़͠ɺಛఆͷ՝Λղܾ͢ Δ൚༻తͳॲཧͷઃܭܕ
σβΠϯύλʔϯ ͱͯ͠ఆٛͨ͠ͷɻ ݫີʹσβΠϯύλʔϯΛఆٛ͢Δͱ ͭ·Γɺ සग़͢Δ՝ղܾͷϕετϓϥΫςΟε ࠷ྑͷղܾखஈ ͕ɺ σβΠϯύλʔϯ
σβΠϯύλʔϯͱ ՝ղܾ࣮" ՝ղܾ࣮# ՝ղܾ࣮# ڞ௨ͷ࣮՝ ڞ௨͢ΔղܾΞϓϩʔν ۩ ந ϕετϓϥΫςΟε ҟͳΔΞϓϩʔνͰͷ՝ղܾ
ҟͳΔղܾΞϓϩʔν͔Βڞ௨ͨ͠ղܾΞϓϩʔνΛநग़ ֓೦ਤ
ڞ௨͢ΔղܾΞϓϩʔν ந ҟͳΔղܾΞϓϩʔν͔Βڞ௨ͨ͠ղܾΞϓϩʔνΛநग़ ϕετϓϥΫςΟε σβΠϯύλʔϯͱ ֓೦ਤ ՝ղܾ࣮" ՝ղܾ࣮# ՝ղܾ࣮# ۩
ҟͳΔΞϓϩʔνͰͷ՝ղܾ ڞ௨ͷ࣮՝
ڞ௨ͷ࣮՝ ϕετϓϥΫςΟε ҟͳΔΞϓϩʔνͰͷ՝ղܾ σβΠϯύλʔϯͱ ֓೦ਤ ڞ௨͢ΔղܾΞϓϩʔν ՝ղܾ࣮" ՝ղܾ࣮# ՝ղܾ࣮# ۩
ҟͳΔղܾΞϓϩʔν͔Βڞ௨ͨ͠ղܾΞϓϩʔνΛநग़ ந
۩ ՝ղܾ࣮" ՝ղܾ࣮# ՝ղܾ࣮# ҟͳΔΞϓϩʔνͰͷ՝ղܾ ҟͳΔղܾΞϓϩʔν͔Βڞ௨ͨ͠ղܾΞϓϩʔνΛநग़ ڞ௨ͷ࣮՝ ϕετϓϥΫςΟε ڞ௨͢ΔղܾΞϓϩʔν σβΠϯύλʔϯͱ
֓೦ਤ ڞ௨ͷ࣮՝ͱϕετϓϥΫςΟεΛఆٛ ந
՝ղܾ࣮" ՝ղܾ࣮# ՝ղܾ࣮# ۩ ந ҟͳΔΞϓϩʔνͰͷ՝ղܾ ҟͳΔղܾΞϓϩʔν͔Βڞ௨ͨ͠ղܾΞϓϩʔνΛநग़ ڞ௨ͷ࣮՝ ϕετϓϥΫςΟε ڞ௨͢ΔղܾΞϓϩʔν
σβΠϯύλʔϯͱ ֓೦ਤ ڞ௨ͷ࣮՝ͱϕετϓϥΫςΟεΛఆٛ ࣍ʹɺ͜ͷσβΠϯύλʔϯΛֶͿҙٛʹ͍ͭͯ֬ೝ͍͖ͯ͠·͢
σβΠϯύλʔϯͱ σβΠϯύλʔϯΛֶͼɺཧղ͠ɺ׆༻͢Δҙٛ σβΠϯύλʔϯͷྨ σβΠϯύλʔϯͷհ 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 4BUFMMJUF1BUUFSO σβΠϯύλʔϯͷݚڀ ·ͱΊ "HFOEB
σβΠϯύλʔϯΛֶͼɺཧղ͠ɺ׆༻͢Δҙٛ
σβΠϯύλʔϯΛֶͼɺཧղ͠ɺ׆༻͢Δҙٛ
ͳͥσβΠϯύλʔϯֶͿͷ͔ʜ
σβΠϯύλʔϯΛֶͿཧ༝େ͖ͭ͋͘Δ ղܾࡦͷ࠶ར༻ ઌਓୡͷܦݧͱ࣮ʹΑཱͬͯ֬͞ΕͨσβΠϯύλʔϯʹଇΓɺطग़ͷ՝Λૉૣ͘ղܾ ͢Δ͜ͱͰɺσβΠϯύλʔϯΛ༻͍ͯղܾͰ͖ͳ͍ຊ࣭తͳ՝ղܾʹूத͢Δɻ ·ͨɺϕετϓϥΫςΟεʹଇΔͨΊ৽ͨͳόάΛੜΈग़ͮ͠Β͘ͳΔɻ ڞ௨༻ޠɾڞ௨ೝࣝͷཱ֬ σβΠϯύλʔϯͷཧղʹΑΓɺ։ൃऀؒͷίϛϡχέʔγϣϯʹڞ௨ͷޠኮ ղܾ՝໊ ύλʔϯ໊
ͱڞ௨ͷೝࣝ ந֓೦ ཱ͕֬͞Εɺઃܭͱ։ൃͷ͕ٞԁʹਐΉ༷ʹͳ Δɻ݁Ռɺ։ൃͷ্ͱɺ՝ղܾͷີͳ͕ٞͰ͖Δ༷ʹͳΔɻ ઃܭɾ։ൃྗͷ্ ༏Εͨ՝ղܾΞϓϩʔνΛֶͿ͜ͱͰɺૺ۰͢Δ՝Λநతʹଊ͑ΒΕΔΑ͏ʹͳΓɺ ݁ՌɺίϯτϥΫτ։ൃʹ͓͚Δ՝ੳ՝ղܾྗ্͕͢Δɻ
ղܾࡦͷ࠶ར༻ ઌਓୡͷܦݧͱ࣮ʹΑཱͬͯ֬͞ΕͨσβΠϯύλʔϯʹଇΓɺطग़ͷ՝Λૉૣ͘ղܾ ͢Δ͜ͱͰɺσβΠϯύλʔϯΛ༻͍ͯղܾͰ͖ͳ͍ຊ࣭తͳ՝ղܾʹूத͢Δɻ ·ͨɺϕετϓϥΫςΟεʹଇΔͨΊ৽ͨͳόάΛੜΈग़ͮ͠Β͘ͳΔɻ ཁٻ ՝ ղܾࡦ ؔ"ঝೝ͞ΕͨΞΧϯτ͚͕ͩ ݺͼग़ͤΔΑ͏ʹ͍ͨ͠ ࣌ؒܦաʹΑͬͯίϯτϥΫτͷৼΔ͍Λมߋ͍ͨ͠
σϙδοτϩοΫҾ͖ग़͠ ίϛοτ͢ΔσʔλൿಗੑΛ୲อ͠ɺ໌Β͔ʹ͢Δ λΠϛϯάͰίϛοτσʔλͷ߹ੑ͕อͨΕ͍ͯΔ ͜ͱΛূ໌͍ͨ͠ "DDFTT3FTUSJDUJPO1BUUFSO 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO සग़͢Δ՝ཱ֬͞ΕͨղܾࡦͰղܾ͢Δ
ڞ௨༻ޠɾڞ௨ೝࣝͷཱ֬ σβΠϯύλʔϯͷཧղʹΑΓɺ։ൃऀؒͷίϛϡχέʔγϣϯʹڞ௨ͷޠኮ ղܾ ՝໊ύλʔϯ໊ ͱڞ௨ͷೝࣝ ந֓೦ ཱ͕֬͞Εɺઃܭͱ։ൃͷ͕ٞԁ ʹਐΉ༷ʹͳΔɻͦͷ݁Ռɺ։ൃͷ্ͱɺ՝ղܾͷີͳ͕ٞͰ͖Δ༷ʹ ͳΔɻ ؔ"ͷૢ࡞ಛఆͷΞΧϯτʹݶఆ͍ͨ͠Μ͚ͩͲ
ΞΧϯτ੍ޚͳΒNPEJpFSఆ੍ٛ͠ޚ͢Δʁ NPEJpFSͰ੍ޚ͠Α͏ͱࢥͬͯͨ ͳΔ΄ͲɻΞΧϯτͷૢ࡞ΛڐՄ͢ΔؔඞཁʹͳΔͳ ՝ղܾʹɺձͷΩϟονϘʔϧΛඞཁͱ͢Δ ͲͷΞΧϯτʹڐՄ͍ͨ͠Μ͚ͩͬʁίϯτϥΫτΦʔφʔͷΈʁ Φʔφʔͱ,:$௨ͬͨΞΧϯτ͔ͳ ձͷྫ
ڞ௨༻ޠɾڞ௨ೝࣝͷཱ֬ σβΠϯύλʔϯͷཧղʹΑΓɺ։ൃऀؒͷίϛϡχέʔγϣϯʹڞ௨ͷޠኮ ղܾ ՝໊ύλʔϯ໊ ͱڞ௨ͷೝࣝ ந֓೦ ཱ͕֬͞Εɺઃܭͱ։ൃͷ͕ٞԁ ʹਐΉ༷ʹͳΔɻͦͷ݁Ռɺ։ൃͷ্ͱɺ՝ղܾͷີͳ͕ٞͰ͖Δ༷ʹ ͳΔɻ ؔ"ͷૢ࡞ಛఆͷΞΧϯτʹݶఆ͍ͨ͠Μ͚ͩͲ
"DDFTT3FTUSJDUJPO1BUUFSO͑ʁ ͓L ࣌ؒܦաͷஈ֊͝ͱʹॲཧ༰มߋ͍ͨ͠Μ͚ͩͲ ͦΕͳΒ4UBUF.BDIJOF1BUUFSOͱ͔ͰղܾͰ͖ͦ͏ʁ ͓Lɺͪΐͬͱࢼͯ͠ΈΔ ձͷྫ Θ͔Γ͍͢ɻ
ίϯτϥΫτͷઃܭɾ։ൃྗͷ্ ༏Εͨ՝ղܾΞϓϩʔνΛֶͿ͜ͱͰɺૺ۰͢Δ՝Λநతʹଊ͑ΒΕΔΑ͏ʹͳΓ ίϯτϥΫτ։ൃʹ͓͚Δ՝ੳ՝ղܾྗ্͕͢Δɻ ઃܭɾ։ൃྗͷ্͕ݟࠐΊΔ ղܾࡦͷ࠶ར༻ ڞ௨༻ޠɾڞ௨ೝࣝͷཱ֬ ίϯτϥΫτͷઃܭɾ։ൃྗͷ্ ɾύλʔϯͰղܾͰ͖ͳ͍՝ʹूத͢Δɻ طग़ͷ՝ύλʔϯͰղܾ
ɾڞ௨༻ޠɾڞ௨ೝࣝͷཱ֬ʹΑΓɺີͳίϛϡχέʔγϣϯΛ࣮ݱɻ ɾ৽ͨͳϕετϓϥΫςΟεͷൃݟͳͲʹΑΓɺ՝ղܾͷԠ༻ɺൃలྗͷ্͕ݟࠐΊΔɻ
σβΠϯύλʔϯΛ׆༻͢Δͱ݁ՌͲ͏ͳΔͷ͔ʁཧ͢Δͱ සग़͢Δ՝ʹ࿔͞ΕΔਤ طग़ͷ՝ཱ֬͞ΕͨϕετϓϥΫςΟεΛ༻͍ͯղܾ ύλʔϯͰղܾͰ͖ͳ͍ຊ࣭తͳ՝ʹूத ڞ௨ݴޠɾೝࣝΛཱ֬͢Δ͜ͱͰ՝ղܾͷີͳ͕ٞͰ͖Δ σβΠϯύλʔϯͰଟ͘ͷϝϦοτΛڗड͢Δ͜ͱ͕Ͱ͖Δ ૺ۰͢Δ՝Λநతʹଊ͑ΒΕΔΑ͏ʹͳΓɺ՝ੳ՝ղܾೳྗ্͕͢Δ
σβΠϯύλʔϯΛ׆༻͢Δͱ݁ՌͲ͏ͳΔͷ͔ʁཧ͢Δͱ සग़͢Δ՝ʹ࿔͞ΕΔਤ طग़ͷ՝ཱ֬͞ΕͨϕετϓϥΫςΟεΛ༻͍ͯղܾ ύλʔϯͰղܾͰ͖ͳ͍ຊ࣭తͳ՝ʹूத ڞ௨ݴޠɾೝࣝΛཱ֬͢Δ͜ͱͰ՝ղܾͷີͳ͕ٞͰ͖Δ σβΠϯύλʔϯͰଟ͘ͷϝϦοτΛڗड͢Δ͜ͱ͕Ͱ͖Δ ૺ۰͢Δ՝Λநతʹଊ͑ΒΕΔΑ͏ʹͳΓɺ՝ੳ՝ղܾೳྗ্͕͢Δ ΑΓ۩ମతͳσβΠϯύλʔϯͱͦͷྨΛհ͠·͢
σβΠϯύλʔϯͱ σβΠϯύλʔϯΛֶͼɺཧղ͠ɺ׆༻͢Δҙٛ σβΠϯύλʔϯͷྨ σβΠϯύλʔϯͷհ 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 4BUFMMJUF1BUUFSO σβΠϯύλʔϯͷݚڀ ·ͱΊ "HFOEB
σβΠϯύλʔϯͷྨ
σβΠϯύλʔϯͷྨ͍͔ͭ͘ఏҊ͞Ε͍ͯΔ͕ɺ ௐࠪɾਫ਼ࠪ͢Δͱେ͖͘ҎԼͷྨʹؼண͢Δ w"DUJPOBOE$POUSPM ίϯτϥΫτͷॲཧૢ࡞ͷΈΛఏڙ͢Δάϧʔϓ w"VUIPSJ[BUJPO ίϯτϥΫτͷؔݺͼग़͠ͷೝՄ੍ޚΛఏڙ͢Δάϧʔϓ w-JGFDZDMF ίϯτϥΫτͷ࡞ͱഁյͷ੍ޚΛఏڙ͢Δάϧʔϓ w.BJOUFOBODF ίϯτϥΫτʹมߋՄೳੑΛఏڙ͢Δάϧʔϓ
w4FDVSJUZ ίϯτϥΫτͷ࣮ؔߦͷ҆શੑΛอূ͢ΔػೳΛఏڙ͢Δάϧʔϓ
ΧςΰϦʔྨͱσβΠϯύλʔϯ $BUFHPSZ 1BUUFSO "DUJPOBOE$POUSPM 1VMM1BZNFOU1BUUFSO 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 0SBDMF1BUUFSO "VUIPSJ[BUJPO 0XOFSTIJQ1BUUFSO
"DDFTT3FTUSJDUJPO1BUUFSO -JGFDZDMF .PSUBM1BUUFSO "VUPNBUJD%FQSFDBUJPO1BUUFSO .BJOUFOBODF %BUB4FHSFHBUJPO1BUUFSO 4BUFMMJUF1BUUFSO $POUSBDU3FHJTUFS1BUUFSO $POUSBDU3FMBZ1BUUFSO 4FDVSJUZ $IFDLT&⒎FDUT*OUFSBDUJPO1BUUFSO &NFSHFODZ4UPQ1BUUFSO 4QFFE#VNQ1BUUFSO 3BUFMJNJU1BUUFSO #BMBODF-JNJU1BUUFSO
$BUFHPSZ 1BUUFSO "DUJPOBOE$POUSPM 1VMM1BZNFOU1BUUFSO 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 0SBDMF1BUUFSO "VUIPSJ[BUJPO 0XOFSTIJQ1BUUFSO "DDFTT3FTUSJDUJPO1BUUFSO
-JGFDZDMF .PSUBM1BUUFSO "VUPNBUJD%FQSFDBUJPO1BUUFSO .BJOUFOBODF %BUB4FHSFHBUJPO1BUUFSO 4BUFMMJUF1BUUFSO $POUSBDU3FHJTUFS1BUUFSO $POUSBDU3FMBZ1BUUFSO 4FDVSJUZ $IFDLT&⒎FDUT*OUFSBDUJPO1BUUFSO &NFSHFODZ4UPQ1BUUFSO 4QFFE#VNQ1BUUFSO 3BUFMJNJU1BUUFSO #BMBODF-JNJU1BUUFSO ΧςΰϦʔྨͱσβΠϯύλʔϯ "DUJPOBOE$POUSPM $BUFHPSZ 1BUUFSO .BJOUFOBODF 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 4BUFMMJUF1BUUFSO ύλʔϯΛϐοΫΞοϓͯ͠հ͠·͢
σβΠϯύλʔϯͱ σβΠϯύλʔϯΛֶͼɺཧղ͠ɺ׆༻͢Δҙٛ σβΠϯύλʔϯͷྨ σβΠϯύλʔϯͷհ 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 4BUFMMJUF1BUUFSO σβΠϯύλʔϯͷݚڀ ·ͱΊ "HFOEB
σβΠϯύλʔϯͷհ 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 4BUFMMJUF1BUUFSO
4UBUF.BDIJOF1BUUFSO ՝ ίϯτϥΫτͷঢ়ଶʹԠͯ͡ৼΔ͍Λมߋ͍ͨ͠ ղܾࡦ 4UBUF.BDIJOF1BUUFSOΛ༻͍Δ͜ͱͰঢ়ଶભҠΛఆٛ͠ɺৼΔ͍Λม͑Δ
4UBUF.BDIJOF1BUUFSO "DDFQUJOH%FQPTJUT 'SFF[JOH%FQPTJUT 3FMFBTJOH%FQPTJUT ఆ͞ΕΔίϯτϥΫτͷঢ়ଶͱ࣌ؒܦա ঢ়ଶભҠʹԠͯؔ͡ͷৼΔ͍Λม͑Δ τʔΫϯͷσϙδοτ τʔΫϯͷϩοΫ ૢ࡞ෆೳ τʔΫϯͷҾ͖ग़͠
4UBUF.BDIJOF1BUUFSO ঢ়ଶΛFOVNͰఆٛ OFYU4UBHFؔͰঢ়ଶΛม͑Δ NPEJpFSͰঢ়ଶʹԠͨ͡ॲཧͷϋϯυϦϯάΛߦ͏ σϙδοτͷҾ͖ग़͠ॲཧ
$PNNJUBOE3FWFBM1BUUFSO ՝ ίϯτϥΫτʹه͢ΔσʔλΛػີతʹѻ͍͍ͨ ղܾࡦ ίϛοτ͢Δ࣌Ͱίϛοτओ͚͕ͩσʔλ༰Λ͓ͬͯΓɺίϛοτσʔλΛެ։͢Δ࣌ Ͱɺίϛοτσʔλͱެ։σʔλͰ߹ੑ͕औΕ͍ͯΔ͜ͱΛ໌Β͔ʹ͢Δ͜ͱͰɺίϛοτ σʔλ͕ෆਖ਼ͳ͘ެ։͞Εͨ͜ͱΛূ໌͢Δ
$PNNJUBOE3FWFBM1BUUFSO ίϛοτ࣌ʹσʔλͷൿಗੑΛ୲อ͠ɺ ϦϏʔϧͰ$PNNJUσʔλͱ߹ੑ͕อͨΕ͍ͯΔ͜ͱΛূ໌͠ɺެ։͢Δ $PNNJU 3FWFBM
$PNNJUBOE3FWFBM1BUUFSO σʔλߏΛఆٛ DPNNJUؔ Ҿͷ@DPNNJUCZUFܕʹͳ͓ͬͯΓɺ ίϛοτओҎ֎ݩͷσʔλΛΔ͜ͱ͕Ͱ͖ͳ͍
$PNNJUBOE3FWFBM1BUUFSO SFWFBMؔ @DIPJDFͱ@TFDSFUΛLFDDBLͰϋογϡԽɺ ฦΓͱ@DPNNJUΛൺֱ͠ɺDPNNJUͱ߹ੑ ͕อ͍ͯΔ͔ݕূ
4BUFMMJUF1BUUFSO ՝ ίϯτϥΫτσϓϩΠޙมߋ͕Ͱ͖ͳ͘ͳΔ͕ɺ ৽͍͠ίϯτϥΫτΛσϓϩΠͯ͠ػೳΛมߋ͍ͨ͠ ղܾࡦ ಠཱͨ͠αςϥΠτίϯτϥΫτʹมߋ͞ΕΔՄೳੑͷߴ͍ػೳΛҕৡ͠ɺ ػೳΛར༻͢ΔଆɺαςϥΠτίϯτϥΫτΛࢀর͢Δ͜ͱͰมߋՄೳͳػೳΛར༻͢Δ
4BUFMMJUF1BUUFSO #BTF$POUSBDU ϩδοΫίϯτϥΫτͷΞυϨεΛอ࣋ -PHJD" -PHJD# 4BUFMMJUF$POUSBDU ॲཧͷҕৡ มߋՄೳੑͷߴ͍ॲཧΛ֎෦ίϯτϥΫτʹΓग़͠ɺ ॲཧΛ֎෦ίϯτϥΫτʹҕৡ͢Δ͜ͱͰมߋରԠ͢Δ ڞ௨ͷΠϯλʔϑΣʔε
ҟͳΔॲཧ༰
4BUFMMJUF1BUUFSO มߋ มߋՄೳੑͷߴ͍ॲཧΛαςϥΠτίϯτϥΫτʹఆٛ ϕʔείϯτϥΫτ͔ΒαςϥΠτίϯτϥΫτͷ DBMDVMBUF7BSJBCMFؔΛ$BMM͢Δ
σβΠϯύλʔϯͱ σβΠϯύλʔϯΛֶͼɺཧղ͠ɺ׆༻͢Δҙٛ σβΠϯύλʔϯͷྨ σβΠϯύλʔϯͷհ 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 4BUFMMJUF1BUUFSO σβΠϯύλʔϯͷݚڀ ·ͱΊ "HFOEB
σβΠϯύλʔϯͷݚڀ
σβΠϯύλʔϯͷݚڀ ։ൃ͞ΕΔίϯτϥΫτͷଟ͘ଟֹͷࢿ࢈Λѻ͏ͷ͕ଟ͘ɺैདྷͷιϑτΣΞ։ൃΑΓ ࣭͕ٻΊΒΕΔͨΊɺσβΠϯύλʔϯࠓޙΑΓॏཁͳݚڀςʔϚͱͳͬͯ͘Δɻ ւ֎Ͱ͍͔ͭ͘ݚڀจ͕ग़࢝Ί͍͕ͯɺ·ͩ·ͩະ։ͳঢ়گɻ ௐࠪΛ͍ͯͨ͠தͰɺ՝ͷ̍ͭͱͯ͋͠Δͷ͕ɺεϚʔτίϯτϥΫτ։ൃʹ͓͚Δzϕετ ϓϥΫςΟεzΛݴޠԽͯ͠ఆٛͰ͖͍ͯͳ͍ͱ͍͏՝ɻ ΦϒδΣΫτࢦ։ൃͳͲͰιϑτΣΞͷ࣭Λݪཧݪଇ 40-*%ݪଇͳͲ ʹଇͬͯධՁ Ͱ͖͍ͯΔ͕ɺεϚʔτίϯτϥΫτ։ൃʹ͓͍ͯ໌֬ʹzྑ͍ίϯτϥΫτίʔυzΛݴޠ
ఆٛͰ͖͍ͯͳ͍ɻ ͜ͷ՝ࠓޙɺࣄྫ͕૿͑ΔʹͭΕͯݚڀਐΈ໌֬ʹͳ͍ͬͯ͘ͱࢥΘΕΔɻ σβΠϯύλʔϯࠓޙॏཁͳݚڀςʔϚ lϕετϓϥΫςΟεzͷݴޠԽ͕ඞཁ
σβΠϯύλʔϯͱ σβΠϯύλʔϯΛֶͼɺཧղ͠ɺ׆༻͢Δҙٛ σβΠϯύλʔϯͷྨ σβΠϯύλʔϯͷհ 4UBUF.BDIJOF1BUUFSO $PNNJUBOE3FWFBM1BUUFSO 4BUFMMJUF1BUUFSO σβΠϯύλʔϯͷݚڀ ·ͱΊ "HFOEB
·ͱΊ
·ͱΊ σβΠϯύλʔϯͱԿͳͷ͔͕Θ͔͍ͬͯΔ σβΠϯύλʔϯͱසग़͢Δ՝ղܾͷϕετϓϥΫςΟε ɹͭͷϝϦοτ ղܾࡦͷ࠶ར༻ڞ௨༻ޠɾڞ௨ೝࣝͷཱ֬։ൃྗͷ্ εϚʔτίϯτϥΫτ։ൃʹ͓͚ΔσβΠϯύλʔϯͷશମ૾Λཧղ͍ͯ͠Δ ͭͷάϧʔϓͷύλʔϯ ࣮ࡍͷ։ൃʹσβΠϯύλʔϯ׆༻͍͚ͯ͠Δঢ়ଶʹͳ͍ͬͯΔ લఏࣝͭͷύλʔϯྫͱαϯϓϧίʔυࢀߟจݙ
'JOJTI
ɾ4NBSU$POUSBDUT4FDVSJUZ1BUUFSOT JOUIF&UIFSFVN&DPTZTUFNBOE4PMJEJUZ ɾ%FTJHO1BUUFSOTGPS4NBSU$POUSBDUT JOUIF&UIFSFVN&DPTZTUFN ɾ*EFOUJpDBUJPOPG1SPHSBNNJOH1BUUFSOTJO4PMJEJUZ ɾ4PMJEJUZ4NBSU$POUSBDUT%FTJHO1BUUFSOT ɾ-FBSOJOH4PMJEJUZ1BSU$PNNJU3FWFBM7PUJOH ɾ1SPYZ-JCSBSJFTJO4PMJEJUZ ɾZBNBSL[TPMJEJUZEFTJHOQBUUFSOT ࢀߟࢿྉ
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