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©2018 Ginco, Inc. ΢ΥϨοτΛ࡞Δ্Ͱͷ5JQTͱ %&9࣮૷ͷ࿩ H i - C o n 2 0 1 8 M A S A T A K A M O R I S H I T A 2 0 1 8 / 1 1 / 1 0 / S A T

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A B O U T M Y S E L F ©2018 Ginco, Inc. ࣗݾ঺հ Masataka Morishita @guiltymorishita ৽ଔͰגࣜձࣾΞΧπΩʹೖࣾ͠ Πϯϑϥ։ൃʹैࣄ ݱࡏ͸(JODPͷ$50Λ຿Ί ༷ʑͳϒϩοΫνΣʔϯͷݚڀ։ൃΛߦ͏ ࠷ۙ͸ϒϩοΫνΣʔϯपΓͷϥΠϒϥϦΛ(PͰॻ͘ͷ͕࢓ࣄ

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©2018 Ginco, Inc. Crypto Wallet ©2018 Ginco, Inc.

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©2018 Ginco, Inc. ·ͱΊͯͻͱͭʹ Bitcoin Bitcoin Cash Litecoin XRP Ethereum Classic Ethereum

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©2018 Ginco, Inc. ϢʔβʔϑϨϯυϦʔͳσβΠϯ

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©2018 Ginco, Inc. ΫϥΠΞϯτܕ΢ΥϨοτͷجຊΛ஧࣮ʹ ߴਫ४ͷηΩϡϦςΟͱ҆શੑ ֤σόΠεͷ தʹͷΈอ؅ ̍ͭͷόοΫΞοϓΩʔͰ
 ෳ਺ͷ௨՟Λ؅ཧ ௨৴ͷ҉߸Խͱ ಠࣗͷೝূํࣜ ൿີ伴ͷ؅ཧํࣜ ΢ΥϨοτͷߏ଄ ௨৴ํࣜ

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©2018 Ginco, Inc. ಠࣗͷݎ࿚ͳΠϯϑϥ Node શͯͷϒϩοΫνΣʔϯ ϊʔυΛࣗΒཱͯΔ Block Explorer ϒϩοΫΤΫεϓϩʔϥΛ ࣗ෼ୡͰ࡞Δ Scalability ߴ͍εέʔϥϏϦςΟΛ ֬อ

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©2018 Ginco, Inc. (JODPͷઆ໌͸Ҏ্

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©2018 Ginco, Inc. ΢ΥϨοτΛ ࡞Γ͍ͨਓ޲͚

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©2018 Ginco, Inc. ΞδΣϯμ A G E N D A 5 5 5 5 ΢ΥϨοτͱ͸ʁ ॳ৺ऀ޲͚ ΢ΥϨοτ։ൃͰେ੾ͳ͜ͱ ΢ΥϨοτ։ൃͰؾ͍ͮͨ͜ͱ %&9ͷ࣮૷

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©2018 Ginco, Inc. ΢ΥϨοτͱ͸ʁ P A R T 1

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©2018 Ginco, Inc. ΢ΥϨοτͷछྨ

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©2018 Ginco, Inc. ϞόΠϧ ΢ΥϨοτͷछྨ W A L L E T T Y P E औҾॴ Web

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©2018 Ginco, Inc. ϞόΠϧ ΢ΥϨοτͷछྨ W A L L E T T Y P E औҾॴ Web

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©2018 Ginco, Inc. Ͳ͏͍͏෼͚ํ͔

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©2018 Ginco, Inc. ൿີ伴ͷอଘ৔ॴ

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©2018 Ginco, Inc. ൿີ伴ͷอଘ৔ॴ K E Y S T O R A G E L O C A T I O N 5 औҾॴɿαʔόʹ伴Λอଘ ϞόΠϧɿΫϥΠΞϯτʹ伴Λอଘ 58FCɿ伴Λอଘ͠ͳ͍ ϝϞϦ্ͰΩϟογϡ

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©2018 Ginco, Inc. ผͷ෼͚ํ

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©2018 Ginco, Inc. Ϣʔβ͕伴Λ؅ཧ ΢ΥϨοτͷछྨ W A L L E T T Y P E ӡӦऀ͕伴Λ؅ཧ αʔόܕ ΫϥΠΞϯτܕ

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©2018 Ginco, Inc. ΢ΥϨοτͷछྨ αʔόʔܕ΢ΥϨοτ 5 ΫϥΠΞϯτܕ΢ΥϨοτ ൿີ伴Λ୺຤಺Ͱ؅ཧ 5 αʔόʔܕ΢ΥϨοτ ൿີ伴ΛαʔϏεఏڙऀͷαʔόʔ্Ͱ؅ཧ W A L L E T T Y P E

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©2018 Ginco, Inc. ͦΕͧΕͷಛ௃

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©2018 Ginco, Inc. αʔόܕ S E R V E R T Y P E 5 5 5 5 ΦϑνΣʔϯͱΦϯνΣʔϯͷߦ͖དྷָ͕ ͔ͳΓॊೈʹαʔϏεΛ࡞ΕΔ Ϣʔβ͸伴ͷ؅ཧ͕͍Βͳ͍ͷͰ҆৺ ؅ཧऀ͸伴ͷ؅ཧ͕େม

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©2018 Ginco, Inc. ΫϥΠΞϯτܕ C L I E N T T Y P E 5 5 5 5 Ϣʔβ͕શͯͷݖݶΛ࣋ͯΔ ϒϩοΫνΣʔϯͷྑ͞Λ׆͔ͤΔ ϒϩοΫνΣʔϯͷ࢓༷ʹറΒΕΔ ϢʔβͷϦςϥγʔ͕ࢼ͞ΕΔ

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©2018 Ginco, Inc. ͲͬͪΛબ΂͹ྑ͍͔

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©2018 Ginco, Inc. ࣮ݱ͍ͨ͜͠ͱʹΑΔ

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©2018 Ginco, Inc. ૬ஊ͠ʹདྷ͍ͯͩ͘͞

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©2018 Ginco, Inc. ΢ΥϨοτͷجຊػೳ

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©2018 Ginco, Inc. ΢ΥϨοτͷجຊػೳ B A S I C F U N C T I O N S 5 ࢒ߴͷදࣔ ૹۚ 5 ड͚औΓ

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©2018 Ginco, Inc. ΢ΥϨοτ։ൃͰ େ੾ͳ͜ͱ P A R T 2

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©2018 Ginco, Inc. Ͳ͏͍͏ػೳΛ࣮૷͢Δ͔

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©2018 Ginco, Inc. ΢ΥϨοτͷ༻్

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©2018 Ginco, Inc. 5 5 5 Ծ૝௨՟؅ཧ %BQQTϒϥ΢β ։ൃऀ޲͚ ΢ΥϨοτͷ༻్ P U R P O S E O F W A L L E T 5 ൚༻ .JTU

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©2018 Ginco, Inc. ༻్ผͷػೳ

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©2018 Ginco, Inc. Ծ૝௨՟؅ཧʹඞཁͳػೳ N E C E S S A R Y F U N C T I O N S 5 ΞΧ΢ϯτ 伴 ͷ؅ཧ 5 ཤྺͷදࣔ

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©2018 Ginco, Inc. %BQQTϒϥ΢βʹඞཁͳػೳ N E C E S S A R Y F U N C T I O N S 5 ίϯτϥΫτͷ࣮ߦ 5 Ξηοτͷදࣔ

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©2018 Ginco, Inc. %BQQTϒϥ΢βʹඞཁͳػೳ N E C E S S A R Y F U N C T I O N S 5 τϥϯβΫγϣϯͷৄࡉදࣔ 5 ωοτϫʔΫ੾Γସ͑

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©2018 Ginco, Inc. ໨తʹ߹ΘͤͨػೳΛ ࣮૷͕ඞཁ

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©2018 Ginco, Inc. ΤϯυϢʔβ޲͚͸ Ͱ͖Δ͜ͱ͕গͳ͍΄͏͕ 6*ɾ69తʹྑ͍

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©2018 Ginco, Inc. ։ൃऀ޲͚͸ Ͱ͖Δ͜ͱ͕ଟ͍ํ͕ ޷·ΕΔ

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©2018 Ginco, Inc. %BQQT޲͚͸

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©2018 Ginco, Inc. Ͳ͜·ͰରԠͨ͠Βྑ͍͔ Θ͔Βͳ͍

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©2018 Ginco, Inc. %BQQTϢʔβͷ෯ͷ޿͞ D A P P S U S E R 5 ੲ͔Β*$0ࢀՃͯ͠·͢ 5 ࠷ۙ#JUDPJOങ͍·ͨ͠

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©2018 Ginco, Inc. શһ͕ೲಘ͢Δ ΢ΥϨοτΛ࡞Δͷ͸೉͍͠

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©2018 Ginco, Inc. ͳͷͰ

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©2018 Ginco, Inc. ΢ΥϨοτ։ൃऀ͸ ࢥ૝Λڧ࣋ͪ͘·͠ΐ͏

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©2018 Ginco, Inc. ࣗ෼ͷࢥ૝ͷൣғ಺Ͱ Ϣʔβͷر๬Λ࠷େԽ

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©2018 Ginco, Inc. ΢ΥϨοτ։ൃͰ ؾ͍ͮͨͱ͜Ζ P A R T 3

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©2018 Ginco, Inc. &UIFSFVN΁ͷ઀ଓ

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©2018 Ginco, Inc. &UIFSFVN΁ͷ઀ଓ C O N N E C T I O N T O E T H E R E U M 5 5 5 ࣗ෼ͷϊʔυ ϓϩόΠμαʔϏε ύϒϦοΫ"1* HFUI

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©2018 Ginco, Inc. ࣗ෼ͷϊʔυ O W N N O D E S 5 1SPT ޷͖ͳΑ͏ʹઃఆͰ͖Δ ϦΫΤετ੍ݶ͕ͳ͍ 5 $POT ಉظ͕ඞཁ ϥϯχϯάίετ͕ߴ͍

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©2018 Ginco, Inc. ϓϩόΠμαʔϏε P R O V I D E R S E R V I C E S 5 1SPT खܰʹ࢖͑Δ ίετ͕௿͍ 5 $POT ࡉ͔͍ઃఆ͸Ͱ͖ͳ͍ ṖͷΤϥʔ͕͋Δ

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©2018 Ginco, Inc. ύϒϦοΫ"1* P U B L I C A P I 5 1SPT +40/31$͡Όͳ͍ (FUIʹແ͍"1*΋͋Δ 5 $POT ϦΫΤετ੍ݶ͕͖͍ͭ جຊతͳ"1*͔͠ͳ͍

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©2018 Ginco, Inc. ࡞Γ͍ͨ΢ΥϨοτʹ ߹Θͤͯબ୒

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©2018 Ginco, Inc. (BT-JNJUʹ͍ͭͯ

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©2018 Ginco, Inc. (BT-JNJUʹ͍ͭͯ A B O U T G A S L I M I T 5 ΤϯδχΞͰ΋࠷ॳ͸ཧղ͕೉͍͠ 5 ΤϯυϢʔβ͸શ͘஌Βͳͯ͘΋ྑ͍

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©2018 Ginco, Inc. ͱΓ͋͑ͣద౰ʹ େ͖͍஋ΛೖΕΔͱྑ͛͞

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©2018 Ginco, Inc. ͳΜͯ͜ͱ͸ ͯ͠͸͍͚·ͤΜ

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©2018 Ginco, Inc. (BT-JNJUʹ͍ͭͯ A B O U T G A S L I M I T 5 Ϣʔβͷࢿ࢈ΛकΔͨΊద੾ͳ஋ʹ͢Δ 5 #MPDL(BT-JNJUҎԼʹͳΔΑ͏ʹ͢Δ

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©2018 Ginco, Inc. (BT-JNJUʹ͍ͭͯ A B O U T G A S L I M I T 5 &UIFSͷૹۚ͸Λ࢖͏

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©2018 Ginco, Inc. (BT-JNJUʹ͍ͭͯ A B O U T G A S L I M I T 5 ίϯτϥΫτͷ࣮ߦ͸FTUJNBUF(BT Λ࢖͏ 5 ͋Δఔ౓෼͔Δ৔߹͸ݻఆ஋Ͱ΋Մ

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©2018 Ginco, Inc. FTUJNBUF(BT ʹ͍ͭͯ A B O U T E S T I M A T E G A S 5 FTUJNBUF(BT ͸ਖ਼֬ͳ஋Ͱ͸ͳ͍ 5 ίϯτϥΫτʹΑͬͯ͸ڊେͳ஋ͱͳΔՄೳੑ

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©2018 Ginco, Inc. Ϣʔβ͕ҙਤͤͣ &UIFSΛࣦ͏͔΋

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©2018 Ginco, Inc. (BT1SJDFʹ͍ͭͯ

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©2018 Ginco, Inc. (BT1SJDFʹ͍ͭͯ A B O U T G A S P R I C E 5 ख਺ྉΛܾΊΔͨΊͷ஋ 5 ଟ͚Ε͹ଟ͍΄Ͳૣ͘ঝೝ͞ΕΔ

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©2018 Ginco, Inc. ͱΓ͋͑ͣద౰ʹ େ͖͍஋ΛೖΕΔͱྑ͛͞

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©2018 Ginco, Inc. ͳΜͯ͜ͱ͸ ͯ͠͸͍͚·ͤΜ

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©2018 Ginco, Inc. (BT1SJDFʹ͍ͭͯ A B O U T G A S P R I C E 5 ϢʔβʹܾΊͯ΋Β͏ 5 (BT1SJDF ͷ஋Λ࢖͏

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©2018 Ginco, Inc. &5)(BT4UBUJPO E T H G A S S T A T I O N

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©2018 Ginco, Inc. (BT1SJDFͷ࠷௿஋ L O W E S T G A S P R I C E

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©2018 Ginco, Inc. /PODFʹ͍ͭͯ

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©2018 Ginco, Inc. /PODFʹ͍ͭͯ A B O U T N O N C E 5 59ͷॲཧॱΛܾΊΔ΋ͷ 5 ͔Β࿈ଓ͍ͯ͠ͳ͍59͸ॲཧ͞Εͳ͍

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©2018 Ginco, Inc. ద౰ͳ஋͸/(

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©2018 Ginco, Inc. 5 ૹͬͨ59ΛΧ΢ϯτ͓ͯ͘͠ (FU5SBOTBDUJPO$PVOU Λ࢖͏ 5 &UIFSTDBOͷཤྺ͔ΒΧ΢ϯτ͢Δ /PODFʹ͍ͭͯ A B O U T N O N C E

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©2018 Ginco, Inc. (FU5SBOTBDUJPO$PVOU G E T T R A N S A C T I O N C O U N T 5 ૹ৴ͨ͠ঝೝࡁΈ59ͷ਺ΛऔಘͰ͖Δ 5 1FOEJOH59ͷ਺͸ਖ਼֬Ͱ͸ͳ͍

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©2018 Ginco, Inc. UFTUOFUͰ͸ಈ͍ͯ΋ NBJOOFUͰ͸ಈ͔ͳ͍͔΋

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©2018 Ginco, Inc. ೖྗόϦσʔγϣϯ

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©2018 Ginco, Inc. ೖྗόϦσʔγϣϯ I N P U T V A L I D A T I O N

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©2018 Ginco, Inc. ೖྗόϦσʔγϣϯ I N P U T V A L I D A T I O N 5 ख਺ྉº(BT1SJDF 5 ૹۚՄೳֹ࢒ߴख਺ྉ

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©2018 Ginco, Inc. &3$ͷ৔߹͸

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©2018 Ginco, Inc. ೖྗόϦσʔγϣϯ I N P U T V A L I D A T I O N 5 ख਺ྉ࢖༻(BTº(BT1SJDF 5 ૹۚՄೳֹ࢒ߴ

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©2018 Ginco, Inc. શֹೖྗ

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©2018 Ginco, Inc. શֹೖྗ A L L B A L A N C E I N P U T

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©2018 Ginco, Inc. 5 ૹۚՄೳֹΛͦͷ··ೖྗ શֹೖྗ A L L B A L A N C E I N P U T

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©2018 Ginco, Inc. τϥϯβΫγϣϯཤྺ

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©2018 Ginco, Inc. ͳͯ͘΋͍͍͚Ͳ ͋ͬͨΒ͘͢͝ศར

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©2018 Ginco, Inc. ཤྺʹ͍ͭͯ A B O U T H I S T O R Y 5 ૹͬͨ59ΛΩϟογϡ͓ͯ͘͠ 5 &UIFSTDBO͔ΒཤྺΛऔಘ͢Δ

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©2018 Ginco, Inc. 59ͷ4UBUFΛ ߋ৽͍ͯ͘͠ͷ͕େม

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©2018 Ginco, Inc. 8FCϥΠϒϥϦΛ࢖ͬͯ XFCTPDLFUͰऔಘՄೳ

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©2018 Ginco, Inc. %SPQ3FQMBDF

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©2018 Ginco, Inc. %SPQ3FQMBDF D R O P / R E P L A C E 5 %SPQૹͬͨ59͕ԿΒ͔ͷཧ༝Ͱফ͑Δ 5 3FQMBDFૹͬͨ59ͷ্ॻ͖

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©2018 Ginco, Inc. %SPQͷରԠ D R O P S U P P O R T 58BMMFU 5 HFUI 1FOEJOH5Y)BTI (FU5SBOTBDUJPO ֬ೝͰ͖ͳ͘ͳͬͨΒ%SPQ

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©2018 Ginco, Inc. %&9ͷ࣮૷ P A R T 3

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©2018 Ginco, Inc. DEX ΢ΥϨοτ಺Ͱ྆ସ͕Մೳʹ

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©2018 Ginco, Inc. ©2018 Ginco, Inc. εϚʔτίϯτϥΫτͰτϥετϨεʹऔҾ͕Ͱ͖Δ ,ZCFS/FUXPSL K Y B E R N E T W O R K 5 &5) 5 &3$ 5 &3$ 5 &3$

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©2018 Ginco, Inc. ©2018 Ginco, Inc.

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©2018 Ginco, Inc. ©2018 Ginco, Inc. 3BUFΛऔಘ &5),/$ ,/$0.( &YQFDUFE3BUFTPMͷHFU&YQFDUFE3BUF  ͔Βऔಘ ަ׵Λ࣮ߦ ,ZCFS/FUXPSLTPMͷUSBEF  Ͱަ׵ ,ZCFS/FUXPSLͷϓϩηε P R O C E S S O F K Y B E R N E T W O R K

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©2018 Ginco, Inc. ৄ͘͠͸ ݄ ͷΠϕϯτͰ

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©2018 Ginco, Inc. ͔͜͜Β͸ࠂ஌

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©2018 Ginco, Inc. Ginco Tech Blog UFDIHJODPJP

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©2018 Ginco, Inc. (JODPͰಇ͍ͯ͘ΕΔ஥ؒืूதʂ R E C R U I T M E N T 8BOUFEMZ͔'BDFCPPL͔5XJUUFSͰ·ͣ͸ؾܰʹ࿈བྷ ࠾༻৬ Ԡืํ๏ J04 "OESPJE  αʔόαΠυ Πϯϑϥ  2" 6* 69 ϏδϡΞϧ  άϥϑΟοΫ ࠃ಺ւ֎ϚʔέςΟϯά  Ϧαʔνϟʔ ਓࣄ  όοΫΦϑΟε ΤϯδχΞ σβΠφʔ Ϗδωε

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©2018 Ginco, Inc. ࣭໰͕͋Ε͹ ؾܰʹ ࿩͔͚͍ͯͩ͘͠͞