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ॳ৺ऀͷͨΊͷϏοτίΠϯૹۚମݧ ೥݄೔!,0' ؔ੢ΦʔϓϯϑΥʔϥϜ ೔ຊ҉߸௨՟Ϣʔβձɹখᔹप 4IV,PCVDIJ

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ࣗݾ঺հ খᔹपɹ4IV,PCVDIJɹ!TIV@LPCTIVLPCVDIJ ෱Ԭݝ൧௩ࢢੜ·Εɹฌݿݝ੢ٶࢢɾๅ௩ࢢҭͪ ਆށେֶւࣄՊֶ෦ଔۀ ಸྑઌ୺Պֶٕज़େֶӃେֶ৘ใՊֶݚڀՊम࢜ྃ मྃޙɺՈిϝʔΧʔɺ4*FSͰͷडୗ։ൃ౳ લ൒େࡕͷϕϯνϟʔͰ#JUDPJO8FC8BMMFUࢼ࡞඼։ൃ ʙ*5ϕϯμʔͷେࡕࢧࣾʹೖࣾ͠4& w ʙϒϩοΫνΣʔϯͷاը౳ਪਐͷͨΊ౦ژຊࣾసۈ ʙԾ૝௨՟ɾϒϩοΫνΣʔϯελʔτΞοϓͷγχΞιϑτ ΢ΣΞΤϯδχΞ w ҉߸ࢿ࢈ࣄۀऀ޲͚΢ΥϨοτ։ൃɾӡ༻ TIVLPC 2

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ίϛϡχςΟ঺հ ೔ຊ҉߸௨՟ϢʔβձɹIUUQTDSZQUPDVSSFODZDPOOQBTTDPN ʮϏοτίΠϯͱ͔ษڧձʯʢ݄̍ճɿฏ೔໷ʣ w ݄೔ ۚ ʙʮϏοτίΠϯΩϟογϡͱ͔ษڧձʯ ʮ҉߸௨՟ಡॻձʯʢ݄̍ճɿฏ೔໷ʣ w ࣍ճௐ੔த :PV5VCFνϟϯωϧIUUQCJUMZZPVUVCFDDTUVEZ 3

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ϏοτίΠϯ͸Φʔϓϯιʔε ϏοτίΠϯ #JUDPJO ͸Φʔϓϯιʔε ୭Ͱ΋։ൃʹࢀՃՄೳʂ
 IUUQTHJUIVCDPNCJUDPJOCJUDPJO ϏοτίΠϯΛ͸͡Ίɺ҉߸௨՟ɾϒϩοΫνΣʔϯͷଟ͘͸044 ٕज़తʹ΋໘ന͍ʂʂ ϥΠτίΠϯ -JUFDPJO ͸#JUDPJOͷιʔείʔυ͔ΒϑΥʔΫ
 IUUQTHJUIVCDPNMJUFDPJOQSPKFDUMJUFDPJO ϞφίΠϯ .POBDPJO ͸-JUFDPJOͷιʔείʔυ͕ϕʔε
 IUUQTHJUIVCDPNNPOBDPJOQSPKFDUNPOBDPJO ΠʔαϦΞϜ &UIFSFVN ΋Φʔϓϯιʔε
 IUUQTHJUIVCDPNFUIFSFVNHPFUIFSFVN 4

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ςετωοτ ϝΠϯωοτ ςετωοτ ಠཱ ຊ෺ͷϏοτίΠϯ͕ྲྀ௨͢ΔωοτϫʔΫ͕ϝΠϯωοτ NBJOOFU ɺ։ൃ ࣌ͳͲʹຊ෺ͷϏοτίΠϯΛ࢖༻͠ͳͯ͘΋͍͍Α͏ʹɺςετωοτ UFTUOFU ͕༻ҙ͞Ε͍ͯ·͢ɻςετωοτ΋ύϒϦοΫͳωοτϫʔΫͰɺ ϝΠϯωοτͱ͸ಠཱͨ͠ωοτϫʔΫͰ͢ɻ 5

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΢ΥϨοτͷछྨ Copay େ෦෼͸೔ຊޠରԠ #JUDPJO$BTI΋ಉҰΞϓϦͰରԠ ϞόΠϧ΢ΥϨοτͷྫ ଟछଟ༷ͳ΢ΥϨοτ͕ଘࡏ தʹ͸ةݥͳ΢ΥϨοτ͕͋Δ͔΋Ε·ͤΜ 044΋ଟ਺͋Γ ࠓճ͸ɺ೔ຊޠʹ΋ରԠͨ͠ςετωοτରԠ΢ΥϨοτʮ#MPDLTUSFBN (SFFOʯΛ࢖༻ 6 Blockstream Green ੈքత#JUDPJOελʔτΞοϓ #MPDLTUSFBN͕ࣾ044Ͱ։ൃ

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#MPDLTUSFBN(SFFO͸044 #MPDLTUSFBNࣾ͸ੈքతͳ#JUDPJOελʔτΞοϓͰɺ༷ʑͳ#JUDPJOͷ044Λ ։ൃ (SFFOJ04ͷ(JU)VCϦϙδτϦ IUUQTHJUIVCDPN#MPDLTUSFBNHSFFO@JPT (SFFO"OESPJEͷ(JU)VCϦϙδτϦ IUUQTHJUIVCDPN#MPDLTUSFBNHSFFO@BOESPJE 7

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#MPDLTUSFBN(SFFOΛΠϯετʔϧ IUUQTCMPDLTUSFBNDPNHSFFO IUUQCJUMZCUDHSFFO 8 Πϯετʔϧ ݕࡧͷ৔߹ CMPDLTUSFBNHSFFO

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(SFFO8BMMFUΛىಈ ΠϯετʔϧͰ͖ͨΒ(SFFO8BMMFUΛ։͖·͢ ˞εϚϗΩϟϓνϟ͸J1IPOFͷ৔߹ɻ"OESPJEΛ͓࢖͍ͷํ͸ɺదٓಡΈସ ͍͑ͯͩ͘͞ɻ 9 5FTUOFUʹ ੾Γସ͑ 5FTUOFUʹ ੾Γସ͑ͨޙ ԡԼ

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෮ݩϑϨʔζ ෮ݩϑϨʔζʢχʔϞχοΫίʔυʣ͕͋ΔͱɺΞϓϦʹΞΫηεͰ͖ͳ͘ ͳͬͨΓɺΞϯΠϯετʔϧͯ͠΋ɺ΢ΥϨοτΛ෮ݩͰ͖·͢ɻʢ(SFFO 8BMMFUҎ֎ͷ΢ΥϨοτͰ΋ՄೳͰ͢ʣ ෮ݩϑϨʔζ͸ൿີ伴ͷେݩͰ͋Γɺઈରʹ୭͔ʹ஌ΒΕͯ͸͍͚·ͤΜɻ εΫϦʔϯγϣοτΛࡱΔ͜ͱ΋͓εεϝ͠·ͤΜɻΫϥ΢υΛܦ༝ͯ͠୭͔ ʹ࢖ΘΕΔ͔΋͠Ε·ͤΜɻࢴʹϝϞͯ͠ɺ୭ʹ΋஌ΒΕͳ͍Α͏ʹอଘ͠· ͠ΐ͏ɻ 10 ޠºϖʔδޠ Λॱ൪௨ΓʹϝϞ ॱং͕߹͏Α͏XPSEΛબ୒ ͜͜Ͱ͸൪໨ͷXPSEͰ લͷޠ͸൪໨ ޙͷޠ͸൪໨

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෮ݩϑϨʔζͱൿີ伴 ෮ݩϑϨʔζ (χʔϞχοΫ ίʔυ) ΢ΥϨοτ ̺ ൿີ伴 Ϛελʔ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ࢠ伴 ଙ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ̺ ൿີ伴 ෮ݩϑϨʔζ͸ɺൿີ伴ੜ੒ͷγʔυʹͳΓ·͢ 伴ଋͷΑ͏ͳ΋ͷͳͷͰɺઈରʹଞਓʹ஌ΒΕͯ͸ͳΓ·ͤΜ 11

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1*/ઃఆͱஈ֊ೝূͷઃఆ 1*/ίʔυͷઃఆͱஈ֊ೝূΛઃఆ͢Δͱ#JUDPJOςετωοτ΢ΥϨοτ͕ ࢖͑ΔΑ͏ʹͳΓ·͢ 12 ޙͰ΋ઃఆͰ͖Δͷ Ͱࠓ͸શͯΦϑͰ 0,

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ड͚औΓ ड͚औΓ͸૬खʹΞυϨεΛڭ͑ΔߦҝͰ͢ ֹۚΛࢦఆ͢Δ͜ͱ΋Ͱ͖·͢ 13 ϝοηʔδ͕ग़ ͯ͘Ε͹0, 23ίʔυΛ λοϓͯ͠Ξυ ϨεΛίϐʔ

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ςετωοτͰडऔ ςετωοτ༻ϏοτίΠϯΛແྉͰ഑෍ͯ͘͠Ε͍ͯΔαΠτ͕͋Γ·͢ IUUQTDPJOGBVDFUFVFOCUDUFTUOFU IUUQCJUMZUFTUCUD 'BVDFU͸ऄޱͱ͍͏ҙຯͰɺόϥϚΩॴͰ͢ɻ ςετωοτ༻ίΠϯͷ'BVDFU͸ෳ਺͋ΓɺϏοτίΠϯҎ֎ͷ΋͋Γ·͢ 14 ಉҰ*1͔Β͸͠͹Β͘ड͚ औΓ͕Ͱ͖ͳ͘ͳΔͷͰɺ ձ৔ͷ8J'JΛ͓࢖͍ͷํ ͸ɺΩϟϦΞͷి೾͔ݸਓ ͷϙέοτ8J'JΛ͓࢖͍ ͍ͩ͘͞ ίϐʔͨ͠Ξυ ϨεΛϖʔετ ͯ͠຃ΛԡԼ

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ςετωοτͰडऔ ը૾ೝূͰਖ਼ղ͢Ε͹ɺ5FTUOFU#JUDPJOΛड͚औΕ·͢ɻ 15 ड͚औΓ੒ޭ

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ड͚औΓͷ֬ೝ ϒϩοΫνΣʔϯΤΫεϓϩʔϥͰड͚औͬͨτϥϯβΫγϣϯͷ֬ೝ 16

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ϒϩοΫͷঝೝ਺ ঝೝ਺͕ଟ͚Ε͹ଟ͍΄Ͳ෴Γʹ͍͘ʢ֬཰తϑΝΠφϦςΟʣ 17 TX Memory Pool(mempool) TX ࠷৽ϒϩοΫ ະঝೝʢ̌ঝೝɿ0 Confirmation) TX Memory Pool(mempool) TX ࠷৽ϒϩοΫ 1ঝೝɿ1 Confirmation ࣗ෼ͷૹۚTX TX ࣗ෼ͷૹۚTX TX Memory Pool(mempool) TX ࠷৽ϒϩοΫ 6ঝೝɿ6 Confirmationʢ঎औҾͰΑ͘࢖ΘΕΔঝೝ਺ʣ TX ࣗ෼ͷૹۚTX ະঝೝTX(τϥϯβΫγϣϯ) ؚ͕·ΕΔ ϚΠφʔใु͸ঝೝ͞ΕΔ·ͰϩοΫ͞Ε͍ͯͯɺͦΕ·Ͱ࢖༻Ͱ͖ͳ͍

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ϨʔτΛ64%͔Β+1:ʹมߋ ςετωοτ͸ແՁ஋ͳͷͰ64%ɺ+1:ͳͲ๏ఆ௨՟ͷϨʔτ͸ແҙຯ ϝΠϯωοτͰ࢖͏৔߹͸੾Γସ͓͑ͯ͘ͱΘ͔Γ΍͍͢ 18 +1:഑৴αʔόʹ ੾Γସ͑ΒΕͨ

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ड͚औΓΞυϨε͸ຖճҟͳΔ ड͚औΓΞυϨε͸ຖճҟͳΔʢϓϥΠόγʔͷ֬อͷͨΊʣ ෳ਺ΞυϨεͷ#5$͸·ͱΊͯૹۚͰ͖ΔͷͰ୯ҰΞυϨε͚ͩͷ࢖༻͸ෆཁ ड͚औΓֹͷࢦఆΛ+1:Ͱೖྗͯ͠#5$ʹ׵ࢉՄೳ 19 ઌ΄Ͳͱ͸ ҟͳΔΞυϨε มߋՄೳ λοϓ +1:ʹมߋ ͞Εͨ

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ΞϦε͕Ϙϒʹ#5$ΛૹΔ Ҏલड͚औֹ͍ͬͯͨΛ߹ࢉͯ͠ɺ૬खʹૹΓɺ͓௼Γ͸ࣗ෼΁ 59தʹهࡌͷͳֹ͍ ͜͜Ͱ͸#5$ ͸ޙʹϚΠφʔ΁ τϥϯβΫγϣϯ5SBOTBDUJPO59 20 ΞϦε Ϙϒ 5SBOTBDUJPO 59 */165 065165 ΞϦε Ωϟϩϧ ΞϦεˠϘϒ #5$ ΩϟϩϧˠΞϦε #5$ ΞϦεˠΞϦε ͓௼Γ #5$ #5$ σϏοτˠΞϦε #5$ #5$ σϏοτ ܭ#5$ ܭ#5$ ϚΠφʔ ωοτϫʔΫख਺ྉ #5$ ˞59ʹهࡌ͸ͳ͍ ൿີ伴Λࠩ͠ࠐΜͰ ϩοΫղআɿిࢠॺ໊ ΞϦεͷ ൿີ伴 ΞϦεͷ ൿີ伴 ΞϦεͷ ެ։伴 Ϙϒͷ ެ։伴 ΞϦεͷ ެ։伴 ΞϦεͷ ެ։伴

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ૹۚ ۙ͘ͷ੮ͷํͱૹΓ߹ͬͯΈ·͠ΐ͏ ยํ͕ૹۚɺยํ͕डऔ 21 ૹۚଆ डऔଆ डऔଆ͸23 ΛݟͤΔ ૹۚଆ͸23ΛಡΈऔΔ ૹֹۚ ೖྗ ख਺ྉ ࢦఆ ԡԼ

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ૹۚͷ֬ೝ ड͚औΓͷํ͸ड͚औͬͨτϥϯβΫγϣϯΛ֬ೝ͍ͯͩ͘͠͞ 22 εϥΠυ

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डऔͱૹۚͷΦϓγϣϯ डऔը໘ͰૹֹۚΛࢦఆͨ͠23ίʔυΛੜ੒Մೳ ϝΠϯωοτͰൿີ伴͕ଞਓʹݟΒΕͨՄೳੑ͕͋ΔͳΒɺʮશͯͷࢿۚΛૹ ۚ͢ΔʯΛ࣮ࢪͯ͠ୀආ 23 5FTUOFUͰϨʔτ ͸ͳ͍͕ (SFFOͰ͸ 64%#5$ .BJOOFUͩͱ ݸਓؒͷૹۚ Ͱ࢖ͬͨΓ͢ Δ

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ϏοτίΠϯͷϢʔεέʔε ϏοτίΠϯ͸Ծ૝௨՟ͷதͰ͸ɺ࠷΋ϙϐϡϥʔͳࢧ෷͍खஈ 24 ϏοΫΧϝϥ͸CJU'MZFSͱఏܞ͓ͯ͠Γɺ ϏοτίΠϯࢧ෷͍Մೳ
 ʢCJU'MZFSͷΞΧ΢ϯτ͸ෆཁʣ ϏοτίΠϯͰߪೖͨ͠ SHARP੡υϥΠϠʔ

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ϏοτίΠϯͷϢʔεέʔε ҿ৯ళͰ΋౦ژΛத৺ʹԾ૝௨՟ܾࡁՄೳͳళ͕͋Δ ࿡ຊ໦ͷόʔʮ5XP%PHT5BQSPPNʯͰ͸ΫϥϑτϏʔϧ΍ੴ༼Ͱম͔Εͨ ຊ֨1J[[BΛָ͠ΊΔ 25

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ϏοτίΠϯͷख਺ྉ ϒϩοΫੜ੒ͰಘΒΕΔϏοτίΠϯใुͱख਺ྉͷྫ ͷ৔߹͸ɺϒϩοΫใुख਺ྉ߹ܭ#5$ IUUQTCMPDLDIBJOJOGPCMPDL DBEEGDDBBGCFFGDBDEB 26 ࢀߟʣࠞࡶ࣌

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τϥϯβΫγϣϯΛ೔ຊԁͷࢧ෷͍Ͱྫ͑Δ ΞϦε͕Ϙϒͷఆ৯԰ͰԁͷϥϯνΛ৯΂·ͨ͠ɻ ΞϦε͸ԁࡳΛຕɺԁࡳΛຕɺԁۄΛຕ͍࣋ͬͯ·͢ɻ ΞϦε͸ࢧ෷͍ʹɺԁࡳຕɺԁۄຕΛ࢖͍·ͨ͠ɻ ԁΛ౉͢ͱɺ͓௼Γ͸ԁͰ͢ɻ τϥϯβΫγϣϯ͸*/165෦ʢऩೖʣͱ065165෦ʢࢧग़ʣͷऩࢧ͕߹͏ෳࣜ฽ه Ͱ͢ɻ 27 ΞϦε Ϙϒ ΞϦε τϥϯβΫγϣϯ 1000ԁࡳ 500ԁۄ INPUT OUTPUT ࢧ෷ 1200ԁ ߹ܭ1500ԁ ͓௼Γ 300ԁ ߹ܭ1500ԁ

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҉߸ࢿ࢈ܾࡁͱଞͷܾࡁखஈͱͷൺֱ ೔ຊͰ΋ීٴ͖͍ͯͯ͠ΔΩϟογϡϨεܾࡁ ΫϨδοτΧʔυ΍1BZQBZͳͲϞόΠϧܾࡁͱ҉߸ࢿ࢈ܾࡁ͸ಉ͘͡Ωϟο γϡϨεͷిࢠܾࡁʹ͸มΘΓͳ͍͕ɺ҉߸ࢿ࢈ʹ͸ಗ໊ੑ͕͋Δ ΩϟογϡϨε͸ސ٬৘ใΛΠϯηϯςΟϒʹͯ͠ސ٬ʹϙΠϯτ౳ͷؐݩΛ ߦ͏ ·ͨɺ෼ࢄܕͰதԝ؅ཧऀ͕͍ͳ͍ͷ΋ଞͱશ͘ҟͳΔಛ௃ ࠃՈɾதԝۜߦ͕σδλϧ๏ఆ௨՟Λൃߦ͢Δࡍ͸ɺඇಗ໊Ͱ͋Δͱܦࡁ׆ಈ ͷ؂ࢹ͕Ͱ͖ͯ͠·͏ͨΊɺಗ໊ੑͷߟྀ͕ඞཁ 28 ಗ໊ ʢՁ஋Ҏ֎ͷ৘ใͳ͠ ඇಗ໊ Ωϟογϡ ݱۚ খ੾ख ΩϟογϡϨε ʢిࢠܾࡁʣ ҉߸ࢿ࢈ ΫϨδοτΧʔυʗ ʓʓQBZ౳ϞόΠϧܾࡁ

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ؔ੢ͰͷϒϩοΫνΣʔϯͷಈ͖ IUUQTKQDPJOUFMFHSBQIDPNOFXTTCJIPMEJOHTLJUBPDFPTBJEUIBU TCJXJMMDSFBUFTFDVSJUZUPLFOFYDIBOHFJOPTBLB 4#*)%๺ඌ$&0͕େࡕͰ450ڌ఺։ઃͷߟ͑ 29

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.BJOOFU ຊ෺ ͷίΠϯͷೖखํ๏ .BJOOFUͷ#5$͸҉߸ࢿ࢈ަ׵ॴͰޱ࠲Λ։͍͓ͯങ͍ٻΊ͍ͩ͘͞ ˞౤ࢿΛਪ঑͢Δ໨తͰ͸͍͟͝·ͤΜ 30

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࢓૊Έͷղઆ ࠓճ͸ૹۚମݧͰ͕ͨ͠ɺ࢓૊Έʹ͍ͭͯͷ04$ΦϯϥΠϯͰղઆ͠ ·ͨ͠ͷͰɺ͝ཡ͍ͩ͘͞ʢ෼ʣ IUUQTZPVUVCF,5;DXZ-WX IUUQTTQFBLFSEFDLDPNTIVLPCCJUVUPLPJOCVSPUVLVUJFOSVNFO BEBFEDDGC 31