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Blockchain Getting Started
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Hide Ogawa
February 14, 2019
Technology
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Blockchain Getting Started
2月14日のブロックチェーンナイト大阪でのブロックチェーン入門の資料です。
Hide Ogawa
February 14, 2019
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Transcript
Blockchain Getting Started ߹ಉձࣾɹ খɹӳ !PHBXBIJEFZVLJ
ඈࣖ ඈࣖ ࣗݾհ খɹӳ !PHBXBIJEFZVLJ ߹ಉձࣾɹ'PVOEFS$&0 ۚ༥ɺσʔλɺϒϩοΫνΣʔϯΛѻ͏ձࣾ લ৬τϨʔμʔɺΞφϦετ ͷΩϓϩεͷۜߦةػͰϏοτίΠϯΛΔ
৽ͨͳΞηοτΫϥε͕ຽ͔ؒΒग़͖ͯͨ͜ͱʹিܸΛड͚Δ ͷϚϯτɾΰοΫε࢈Ͱॳߪೖ ΜͳΓ1ZUIPOɺ#MPDLDIBJO0TBLBΦʔΨφΠβʔ
ඈࣖ ඈࣖ ຊͷ༰ #MPDLDIBJOٕज़׆༻ͷݟ௨͠ #MPDLDIBJOΈͱ #MPDLDIBJOݱࡏͷ׆༻ঢ়گ ·ͱΊ
ඈࣖ ඈࣖ ຊͷ༰ #MPDLDIBJOٕज़׆༻ͷݟ௨͠ #MPDLDIBJOΈͱ #MPDLDIBJOݱࡏͷ׆༻ঢ়گ ·ͱΊ
ඈࣖ ඈࣖ Facebook’s acquisition MIT Technology Review (2019/2/5)
ඈࣖ ඈࣖ ܦࡁ࢈ۀলϨϙʔτ ܦࡁ࢈ۀলஹԁͷࢢنΛݟ͍ͯΔ
ඈࣖ ඈࣖ Gartner Reports Gartner Forecasts that the buisiness value
generated by blockchain, reaching $176 bil by 2023, $3.1tril by 2030. (Japanese GDP 4.9tril)
ඈࣖ ඈࣖ ຊͷ༰ #MPDLDIBJOٕज़׆༻ͷݟ௨͠ #MPDLDIBJOΈͱ #MPDLDIBJOݱࡏͷ׆༻ঢ়گ ·ͱΊ
ඈࣖ ඈࣖ Blockchain ͦͦϒϩοΫνΣʔϯͰԿ͕มΘΔͷ͔ʁ Πϯλʔωοτ্ͰՁΛࣗ༝ʹΓऔΓͰ͖ΔΑ͏ʹͳͬͨ ΠϯλʔωοτɿใͷΓऔΓͰ͖ΔωοτϫʔΫ ϒϩοΫνΣʔϯɿՁͷΓऔΓͰ͖ΔωοτϫʔΫ
ඈࣖ ඈࣖ Blockchain O൪ ϒϩοΫ O ൪ ϒϩοΫ O ൪
ϒϩοΫ σʔλ औҾهͳͲ O൪ϋογϡ φϯε O൪ϋογϡ O൪ϋογϡ σʔλ औҾهͳͲ φϯε O ൪ϋογϡ Oʴ൪ϋογϡ σʔλ औҾهͳͲ φϯε O ൪ϋογϡ ҰํϋογϡؔΛͬͯϋογϡΛ࡞Γɺ࣍ͷϒϩοΫʹͦΕΛೖΕΔ Ұํϋογϡؔɿ͋Δೖྗʹରͯ͠ಉ͡Λฦ͢ɻͦͷฦ͢ ਪଌ͕ࠔɻ
ඈࣖ ඈࣖ Blockchain O൪ ϒϩοΫ O ൪ ϒϩοΫ O ൪
ϒϩοΫ PTBLB 021a054867673a05a5af 57320d207a1989c9f42af7 a4758bf5bc40befcefcefd 0a15bfb7ef39896ff604e51 1b306e9c25805c74ecb4df 245ed0e50e88734de53 LZPUP 0c06cb9c048ee0490b390b ebee90316f74d2a641bbf2 b4168693fda89d7fc901 UPLZP d1067d3993ce1be82fcffd 34688a1021a1fb15f4e979 6fa2f78985e9e475d6a 0a15bfb7ef39896ff604e51 1b306e9c25805c74ecb4df 245ed0e50e88734de53 0c06cb9c048ee0490b390b ebee90316f74d2a641bbf2 b4168693fda89d7fc901
ඈࣖ ඈࣖ Blockchain O൪ ϒϩοΫ O ൪ ϒϩοΫ O ൪
ϒϩοΫ PTBLB 021a054867673a05a5af 57320d207a1989c9f42af7 a4758bf5bc40befcefcefd 0a15bfb7ef39896ff604e51 1b306e9c25805c74ecb4df 245ed0e50e88734de53 LZUP 68f0d9de45d1eaf 8e8c454be4200f6 e8d3ac1581c7d1a f0ff4fed9f2eb2c27 91 UPLZP d1067d3993ce1be82fcffd 34688a1021a1fb15f4e979 6fa2f78985e9e475d6a 0a15bfb7ef39896ff604e51 1b306e9c25805c74ecb4df 245ed0e50e88734de53 0c06cb9c048ee0490b390b ebee90316f74d2a641bbf2 b4168693fda89d7fc901 ෆҰக վ͟Μʹؾ͚Δ
ඈࣖ ඈࣖ Blockchain 11ࢄωοτϫʔΫ ϝϦοτ ɾଟ͘ͷ͕ܨ͕ΕΔ ɾωοτϫʔΫʹ͋Δ͕མͪͯ ωοτϫʔΫ͕ҡ࣋͞ΕΔ
ඈࣖ ඈࣖ Blockchain 11ࢄωοτϫʔΫ શһ͕ಉ͡σʔλΛอ༗
ඈࣖ ඈࣖ Blockchain 11ࢄωοτϫʔΫ ϊʔυ͕ͳ͘ͳͬͯ ωοτϫʔΫʹӨڹ͕ͳ͍
ඈࣖ ඈࣖ Blockchain ߹ҙϝΧχζϜ ϊʔυؒͰಉ͡༰Λߋ৽͢Δɻ ਖ਼͍͠σʔλΛؚΉϒϩοΫΛ࡞ΔͨΊͷϓϩτίϧɻ ɾɹϓϧʔϑɾΦϒɾϫʔΫʢ108ʣ #JUDPJO ɾɹϓϧʔϑɾΦϒɾεςʔΫʢ104ʣ /YU
ɾɹσΟϨήʔςουɾϓϧʔϑɾΦϒɾεςʔΫʢ%104ʣ &04 ɾɹϓϧʔϑɾΦϒɾϏϦʔόϏϦςΟʢ10#ʣ *045
ඈࣖ ඈࣖ Blockchain 108Πϝʔδ QUARTZ Photos: Inside one of the
world’s largest bitcoin mines IUUQTR[DPNQIPUPTDIJOBIBTPOFPGXPSMETMBSHFTUCJUDPJONJOFT
ඈࣖ ඈࣖ Blockchain ωοτϫʔΫࢀՃͷน Public / Private ୭ͰࢀՃͰ͖Δ ࢀՃͰ͖Δਓ͕ݶΒΕΔ ɾݩʑύϒϦοΫʹग़དྷΔͱ͍͏ͷ͕ϝϦοτͩͬͨ
ɾاۀͷ߹ηΩϡϦςΟͷ͕͋ͬͨΓ ɾ௨՟Λ͍࣋ͬͯͳ͍ͱऔҾ͕Ͱ͖ͳ͍ͳͲͷ
ඈࣖ ඈࣖ Blockchain εϚʔτίϯτϥΫτ ܖ༰͕ϒϩοΫνΣʔϯ্ʹϓϩάϥϜͰࡌͤΒΕɺ ͦͷ͕݅ຬͨ͞Εͨ࣌ʹɺܖ͕࣮ߦ͞ΕΔɻ ྫ͑ ΩϩͷμΠΤοτʹޭͨ͠Β ྟ࣌ͷ͓খݣ͍ΛҰສԁৼΓࠐΉͱ͔ ಓ࿏ʹΧϝϥΛઃஔ͓͖ͯ͠ɺறंҧͷंΛݟ͚ͭΔͱɺ
ӡస੮ͷإΛ֬ೝͯ͠ɺͦͷ࣌Ͱͦͷਓͷޱ࠲͔ΒേۚΛऔΔɻ
ඈࣖ ඈࣖ Blockchain ɿεέʔϥϏϦςΟ Ұඵͷॲཧ݅ 514 ɹϏοτίΠϯ݅ɺΠʔαϦΞϜ݅ɺ 7*4" ݅ 4DBMBCJMJUZ5SJMMFNNB
4DBMBCJMJUZ %FDFOUSBMJ[FE 4FDVSJUZ &04514 *045514 ࡾඛBLBNBJ514
ඈࣖ ඈࣖ ຊͷ༰ #MPDLDIBJOٕज़׆༻ͷݟ௨͠ #MPDLDIBJOΈͱ #MPDLDIBJOݱࡏͷ׆༻ঢ়گ ·ͱΊ
ඈࣖ ඈࣖ Blockchain اۀͷऔঢ়گ 1X$ #MPDLDIBJOJTIFSF8IBU`TZPVSOFYUNPWF 4VSWFZPGFYFDVUJWFTGSPNUFSSJUPSJFT IUUQTXXXQXDDPNHYFOJTTVFTCMPDLDIBJOCMPDLDIBJOJOCVTJOFTTIUNM ˋ
ඈࣖ ඈࣖ Blockchain 1X$ #MPDLDIBJOJTIFSF8IBU`TZPVSOFYUNPWF 4VSWFZPGFYFDVUJWFTGSPNUFSSJUPSJFT IUUQTXXXQXDDPNHYFOJTTVFTCMPDLDIBJOCMPDLDIBJOJOCVTJOFTTIUNM
ඈࣖ ඈࣖ Blockchain ৯ۀքͷτϨʔαϏϦςΟ׆༻ ('4* (MPCBM'PPE4BGFUZ*OJUJBUJWF ɿIUUQTXXXNZHGTJDPN *#.IUUQTXXXJCNDPNCMPDLDIBJOTPMVUJPOTGPPEUSVTU
ඈࣖ ඈࣖ Blockchain ৯ۀքͷτϨʔαϏϦςΟ׆༻ ถࠃͷେखࠄࣾΧʔΪϧͷར༻ྫ IUUQTXXXDBSHJMMDPNQBHFDPOOFDU $BSHJMMFYQBOETJUTCMPDLDIBJOUVSLFZQSPHSBN IUUQTXXXQPVMUSZXPSMEOFU.FBU"SUJDMFT$BSHJMMFYQBOETJUT CMPDLDIBJOUVSLFZQSPHSBNNF&
ඈࣖ ඈࣖ Blockchain ւӡۀք *#.ιϦϡʔγϣϯϒϩά IUUQTXXXJCNDPNCMPHTTPMVUJPOTKQKBCMPDLDIBJODBTFTUVEZMPHJTUJDT ޮՌؒेԯυϧʁʮྲྀʷϒϩοΫνΣʔϯʯͷՄೳੑ IUUQXXXJUNFEJBDPKQOFXTBSUJDMFTOFXTIUNM
ඈࣖ ඈࣖ Blockchain ւӡۀք ΠεϥΤϧɹ;*. ;*.`T#MPDLDIBJO#BTFE#-`T*OJUJBUJWF IUUQTXXX[JNDPNOFXTQSFTTSFMFBTFT[JNTCMPDLDIBJOCBTFECMT JOJUJBUJWF
ඈࣖ ඈࣖ Blockchain ۚ༥ۀք ੈքۜߦɹ 8PSMECBOLQSJDFTpSTUHMPCBMCMPDLDIBJOCPOESBJTJOH"NJMMJPO IUUQTXXXXPSMECBOLPSHFOOFXTQSFTTSFMFBTFXPSMECBOL QSJDFTpSTUHMPCBMCMPDLDIBJOCPOESBJTJOHBNJMMJPO XPSMECBOLCMPHTCMPDLDIBJO IUUQTCMPHTXPSMECBOLPSHUBYPOPNZUFSN
ඈࣖ ඈࣖ Blockchain ΦϯϥΠϯγϣοϓ ΞϦόόɹ "MJCBCB$MPVE#BB4 IUUQTXXXBMJCBCBDMPVEDPNQSPEVDUTCBBT ࣄྫ͕ڍ͛ΒΕΔ ɾͷαϓϥΠνΣʔϯͷཧ ʢͷೖޱ͔Βग़ޱ·Ͱɻِࢭʣ
ɾαϓϥΠνΣʔϯϑΝΠφϯε ʢ্ͷσʔλΛ׆༻͠ɺࢿۚௐୡޮԽʣ ɾσδλϧɾΞηοτͷڞ༗ ʢϔϧεέΞͰͷ׆༻ʣ ɾσδλϧίϯςϯπͷ൛ݖཧ ʢ൛ݖཧͷඪ४ԽɺεϚʔτίϯ ɹτϥΫτͰͷίϯςϯπͷ׆༻ʣ
ඈࣖ ඈࣖ Blockchain 1X$ IUUQTXXXQXDDPNHYFOJTTVFT CMPDLDIBJOCMPDLDIBJOJOCVTJOFTTIUNM
ඈࣖ ඈࣖ ຊͷ༰ #MPDLDIBJOٕज़׆༻ͷݟ௨͠ #MPDLDIBJOΈͱ #MPDLDIBJOݱࡏͷ׆༻ঢ়گ ·ͱΊ
ඈࣖ ඈࣖ Blockchain ·ͱΊ ϒϩοΫνΣʔϯ ΠϯλʔωοτใͷΓऔΓΛ͍͕ͯͨ͠ɺ ϒϩοΫνΣʔϯͰՁ͕ΓऔΓͰ͖Δɻ ؒҧͬͨ͜ͱ͕ه͞Εͳ͍͔ͭɺ ه͕վ͟Μ͞Εͳ͍ɺͦͷه͕ແ͘ͳΒͳ͍ΦʔϓϯͳΈɻ ࣮ݧஈ֊ΛऴΘΓɺاۀ࣮༻Խͭͭ͋͠Δɻ
ࠓޙ׆༻͕ظ͞ΕΔ ಁ໌ੑ͕ॏཁͳαϓϥΠνΣʔϯɺ औҾ͕ඇޮͳӡૹɺ ۚ༥ɺεϚʔτίϯτϥΫτͳͲଟذʹΘͨΔ ظ͞ΕΔϚʔέοτͷن ͰஹԁɺͰஹԁ
ඈࣖ ඈࣖ ͓͢͢Ίຊ ͏গ͠ϒϩοΫνΣʔϯΛৄ͘͠Γ͍ͨํ kindle unlimitedͰಡΊ·͢ ͬͱਂ͘Γ͍ͨ߹ Mastering Bitcoin (PDF
ຊޠແྉ) ॻ੶ച͍ͬͯ·͢ IUUQTCJUDPJOCPPLJOGPUSBOTMBUJPOTPGNBTUFSJOHCJUDPJO Mastering Etheream (WebαΠτ) https://github.com/ethereumbook/ethereumbook
ඈࣖ ඈࣖ ࢀߟࢿྉ .*55FDIOPMPHZ3FWJFX 'BDFCPPLTFFNTJOUFSFTUFEJOTQFFEJOHVQCMPDLDIBJOTNBSUDPOUSBDUT#VUXIZ IUUQTXXXUFDIOPMPHZSFWJFXDPNUIFEPXOMPBEGBDFCPPLTFFNTJOUFSFTUFEJOTQFFEJOHVQCMPDLDIBJOTNBSUDPOUSBDUTCVUXIZ DIBJOTQBDF IUUQTDIBJOTQBDFJP ܦࡁ࢈ۀল
ฏ̎̓ զ͕ࠃܦࡁࣾձͷ ใԽɾαʔϏεԽʹΔج൫උ ʢฏ284݄28ʣ http://www.meti.go.jp/main/infographic/pdf/block_c.pdf (BSUOFSCMPDLDIBJO IUUQTXXXHBSUOFSDPNFOJOGPSNBUJPOUFDIOPMPHZJOTJHIUTCMPDLDIBJO
ඈࣖ ඈࣖ ࢀߟࢿྉ QUARTZ Photos: Inside one of the world’s
largest bitcoin mines IUUQTR[DPNQIPUPTDIJOBIBTPOFPGXPSMETMBSHFTUCJUDPJONJOFT 1X$ #MPDLDIBJOJTIFSF8IBU`TZPVSOFYUNPWF IUUQTXXXQXDDPNHYFOJTTVFTCMPDLDIBJOCMPDLDIBJOJOCVTJOFTTIUNM $BQHFNJOJ %PFTCMPDLDIBJOIPMEUIFLFZUPBOFXBHFPG TVQQMZDIBJOUSBOTQBSFODZBOEUSVTU IUUQTXXXDBQHFNJOJDPNXQDPOUFOUVQMPBET%JHJUBM#MPDLDIBJOJO4VQQMZ$IBJO3FQPSUQEG τϨʔαϏϦςΟʹؔͯ͠ɹ&6ͷࢿྉ #MPDLDIBJOUFDIOPMPHZBOENBSLFUUSBOTQBSFODZ IUUQTFDFVSPQBFVJOGPTJUFTJOGPpMFTMBXDPOTVMUBUJPONUXPSLTIPQCMPDLDIBJOUFDIOPMPHZBOENU@DJBJBO@FOQEG