仮想通貨交換所のEthereumウォレットを考える

by Shu Kobuchi

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Ծ૝௨՟ަ׵ॴͷ &UIFSFVN΢ΥϨοτΛߟ͑Δ ೥݄೔ )J$POલ໷ࡇ!/FVUSJOP ϑϨηοπגࣜձࣾɹখᔹप 4IV,PCVDIJ

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খᔹपɹ4IV,PCVDIJɹ!TIV@LPCTIVLPCVDIJ ਆށେֶւࣄՊֶ෦ଔۀ ಸྑઌ୺Պֶٕज़େֶӃେֶ৘ใՊֶݚڀՊम࢜ྃ ՈిϝʔΧʔͰιϑτ΢ΣΞ։ൃɺ4*FSͰͷडୗ։ൃΛܦݧ େࡕͷϕϯνϟʔʹͯ৽نࣄۀͱͯ͠#JUDPJO8FC8BMMFUϓϩτλΠϓΛ 3VCZPO3BJMTͰ։ൃ ʙגࣜձࣾΩϡʔϒγεςϜ w ʙେࡕʹͯɺڭҭۀքͷେن໛جװγεςϜͷ։ൃͱอक w ʙɹ౦ژసۈɺٕज़ઓུࣨ ϒϩοΫνΣʔϯΛ͸͡Ί৽نࣄۀاը୲౰ ʙϑϨηοπגࣜձࣾͷγχΞιϑτ΢ΣΞΤϯδχΞ w Ծ૝௨՟औҾॴ޲͚΢ΥϨοτ։ൃΛ୲౰ ࣗݾ঺հ !2

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҉߸௨՟ಡॻձʗษڧձɹIUUQTDSZQUPDVSSFODZDPOOQBTTDPN ॳ৺ऀʙதڃऀ޲͚ͷʮϏοτίΠϯͱ͔ษڧձʯʢ݄̍ճɿฏ೔໷ʣ தڃऀʙ্ڃऀ޲͚ͷʮ҉߸௨՟ྠಡձʯʢ݄̍ճɿฏ೔໷ʣ w ࣍ճ͸ ໦ ʙࣰݪߤࢯʲ(03.04ʳ!൒ଂ໳-*'6-- DSBTIBDBEFNZ *5ܥಈը഑৴ ʹͯϏοτίΠϯͱ͔ษڧձͷΞʔΧΠϒ഑৴த  IUUQTDSBTIBDBEFNZDPNNVOJUZDSZQUPDVSSFODZ :PV5VCFνϟϯωϧʢྠಡձʗษڧձʣIUUQTHPPHM"2&W+ ϩάϛʔ5FDI ษڧձॻ͖ى͜͠ IUUQTHPPHMK,"-3 ίϛϡχςΟ঺հ !3

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΢ΥϨοτͷཁૉ #*1 #*1 #*1 ϗοτ΢ΥϨοτʗίʔϧυ΢ΥϨοτ Ϛϧνγά !4

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#*1 )%8BMMFU #JUDPJO*NQSPWFNFOU1SPQPTBM #*1 )JFSBSDIJDBM%FUFSNJOJTUJD )% 8BMMFUTɿ֊૚తܾఆੑ΢ΥϨοτجຊܗ !5

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#*1 χʔϞχοΫ 4FFE .BTUFS4FFE ͸֮͑ʹ͍ͨ͘ΊɺࣗવݴޠʹΑΔύεϑϨʔζΛ༻ҙ ͠ɺ.BTUFS4FFEΛੜ੒ &UIFSFVNͰ΋࢖ΘΕ͍ͯΔ !6

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#*1 ΞΧ΢ϯτ೿ੜελϯμʔυ )%΢ΥϨοτͷϚϧνΞΧ΢ϯτ֊૚ #JUDPJOҎ֎ͷ௨՟ʹ΋֦ு͠ɺ4-*1ͱ͍͏ن͕֨͋Δ IUUQTHJUIVCDPNTBUPTIJMBCTTMJQTCMPCNBTUFSTMJQNE ҰͭͷύεϑϨʔζͰଟ͘௨՟ΛҰݩ؅ཧͰ͖Δ &UIFSFVNͰ΋࢖༻ !7

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֊૚తܾఆੑ΢ΥϨοτ ϗοτɾίʔϧυ ֊૚తܾఆੑ΢ΥϨοτΛ༻͍ͨϗοτ⁶ίʔϧυ΢ΥϨοτͷؔ࿈෇͚ ίʔϧυ΢ΥϨοτͰੜ੒ͨ͠γʔυ͔Β֦ுൿີ伴ʗ֦ுެ։伴Λੜ੒ ֦ுެ։伴Λϗοτ΢ΥϨοτʹసૹ ίʔϧυͷൿີ伴ʹରԠͨ͠ެ։伴ɾΞυϨεΛϗοτͰੜ੒Մೳ ඇܾఆత ϥϯμϜ ʹΞυϨεΛ࡞੒͢Δඞཁ͕ͳ͍ !8 ϗοτ΢ΥϨοτ ίʔϧυ΢ΥϨοτ γʔυ ֦ு ެ։伴 ֦ு ൿີ伴 HFN"EES J൪໨ͷ ΞυϨε HFO,FZ J൪໨ͷ ൿີ伴 J J

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ૹۚͷྲྀΕ ະॺ໊59࡞੒ DSFBUFSBXUSBOTBDUJPO ൿີ伴Ͱॺ໊ TJHOSBXUSBOTBDUJPO ϒϩʔυΩϟετ TFOESBXUSBOTBDUJPO !9 ະॺ໊59 ॺ໊59 ॺ໊ ϒϩʔυ Ωϟετ

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&UIFSFVNૹۚ .Z&UIFS8BMMFUͰͷ3PQTUFOͰͷૹۚྫ 3BX5SBOTBDUJPO͸6OTJHOFE5SBOTBDUJPO !10

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ίʔϧυ΢ΥϨοτ͔Βͷग़ۚ ΦϯϥΠϯ୺຤ͷ͋Δ෦԰ϧʔϜ ະॺ໊59όΠφϦσʔλͷ23ίʔυΛ࡞੒ ࢴʹҹ࡮ ࢴΛ࣋ͬͯΦϑϥΠϯ୺຤ͷ͋ΔηΩϡϦςΟϧʔϜ΁Ҡಈ ࢴΛΦϑϥΠϯ୺຤ͰಡΈࠐΈɺϋʔυ΢ΣΞ΢ΥϨοτͰॺ໊ ॺ໊ࡁΈ59όΠφϦσʔλΛ23ίʔυͰࢴʹҹ࡮ ͦͷࢴΛ࣋ͬͯΦϯϥΠϯ୺຤ͷ͋Δ෦԰ʹҠಈ ॺ໊ࡁΈ59ͷ23ίʔυͷҹ࡮͞ΕͨࢴΛΦϯϥΠϯ઀ଓ͞Εͨ୺຤ͰಡΈࠐΜ ͰϒϩʔυΩϟετ ϋʔυ΢ΣΞ΢ΥϨοτ͸ۚݿอ؅ ϋʔυ΢ΣΞ΢ΥϨοτ͸ΦϑϥΠϯͰ΋࢖༻Մೳ ίʔϧυ΢ΥϨοτ෦԰͕ԕํͰ΋Մೳ !11

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ϗοτ΢ΥϨοτίʔϧυ΢ΥϨοτ ΢ΥϨοτ͸ൿີ伴ͷ༰ث ൿີ伴͕ΦϯϥΠϯ઀ଓ͞Ε͍ͯΔ୺຤಺ʹ͋Δͷ͕ϗοτ΢ΥϨοτ ൿີ伴͕׬શΦϑϥΠϯͳ୺຤Ͱѻ͑Δ΢ΥϨοτ͕ίʔϧυ΢ΥϨοτ !12

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Ϛϧνγάͷॺ໊ͰϒϩʔυΩϟετ PGͷ৔߹ ະॺ໊59࡞੒ ͭ໨ͷॺ໊ ͭ໨ͷॺ໊ ϒϩʔυΩϟετ !13 ະॺ໊59 ॺ໊59 ॺ໊ ϒϩʔυ Ωϟετ ॺ໊ ॺ໊ࡁ59

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&UIFSFVNͷ.VMUJTJH 1BSJUZ.VMUJTJH8BMMFU໰୊ ίϯτϥΫτͰ࡞੒͞Εͨ.VMUJTJH8BMMFUͷதͷ&UIFSFVN͕ౚ݁ ৄࡉ͸த৓͞ΜͷϒϩάͰ IUUQTZOBLBKPIBUFOBCMPHDPNFOUSZ 1BSJUZ.VMUJTJH8BMMFUʹมΘΔ.VMUJTJHίϯτϥΫτΛ։ൃͨ͠ͱͯ͠΋ɺ 1VCMJDωοτϫʔΫͰ͸ৗʹ߈ܸͷةݥʹࡽ͞ΕΔ ฐࣾϑϨηοπͷ&8. &OUFSQSJTF8BMMFU.BOBHFNFOU 4ZTUFNͷ &UIFSTIJFMEͰ͸ɺ&UIFSFVNίϯτϥΫτͰͷϚϧνγά͸࢖ΘͣɺΞϓϦ Ͱͷෳ਺ਓঝೝͰ੍ޚ !14

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࣍ճͷ҉߸௨՟ಡॻձ ࣍ճ͸ ໦ ʙ!൒ଂ໳-*'6-- ҉߸௨՟ྠಡձ %..ࣰݪߤࢯʲ(03.04ʳ IUUQTHPPHM&):JY ษڧձ͸ Ր ʙ!(.0:PVST ϏοτίΠϯͱ͔ษڧձ DPOOQBTTެ։४උத !15