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「フィンテック (2019夏)」第9-10回「レッジャー(台帳) 技術と新たなアプリケーション...
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Kenji Saito
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July 08, 2019
Technology
1
190
「フィンテック (2019夏)」第9-10回「レッジャー(台帳) 技術と新たなアプリケーション基盤」 / Ledger Technology and New Foundations for Applications
2019年7月8日、早稲田大学 大学院経営管理研究科の「フィンテック ─ 金融革新とインターネット (2019夏)」第9-10回にて使用したスライドです。
Kenji Saito
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July 08, 2019
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Transcript
ະདྷએݴɻ ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019
Ն ૣҴాେֶ େֶӃܦӦཧݚڀՊ ߨࢣ (ඇৗۈ) ੪౻ ݡ࣐
[email protected]
ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.1/70
͜ͷεϥΠυ https://speakerdeck.com/ks91 ʹஔ͔Ε͍ͯ·͢ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10
ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.2/70
εέδϡʔϧ(Ծ) ୈ 1 ճ 6݄10 ϑΟϯςοΫͱԿ͔ (1) • ୈ 2
ճ 6݄10 ϑΟϯςοΫͱԿ͔ (2) • ୈ 3 ճ 6݄17 Πϯλʔωοτͷٕज़ͱΨόφϯε (1) • ୈ 4 ճ 6݄17 Πϯλʔωοτͷٕज़ͱΨόφϯε (2) • ୈ 5 ճ 6݄24 ϑΟϯςοΫલ (1) • ୈ 6 ճ 6݄24 ϑΟϯςοΫલ (2) • ୈ 7 ճ 7݄ 1 ϒϩοΫνΣʔϯ (1) • ୈ 8 ճ 7݄ 1 ϒϩοΫνΣʔϯ (2) • ୈ 9 ճ 7݄ 8 Ϩοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ (1) • ୈ10ճ 7݄ 8 Ϩοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ (2) • ୈ11ճ 7݄15 αΠόʔϑΟδΧϧࣾձͱۚ༥ͷະདྷ (1) ୈ12ճ 7݄15 αΠόʔϑΟδΧϧࣾձͱۚ༥ͷະདྷ (2) ୈ13ճ 7݄22 ϑΟϯςοΫɾΞΠσΞιϯ (1) ୈ14ճ 7݄22 ϑΟϯςοΫɾΞΠσΞιϯ (2) ୈ15ճ 7݄29 ൃදͱ૯ׅ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.3/70
ࠓिͷࠂ ΞΧσϛʔΩϟϯϓ 2019 Ն (Ҿ͖ଓ͖ืूத) ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն
ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.4/70
ΞΧσϛʔΩϟϯϓ 2019Ն ΞΧσϛʔΩϟϯϓ 2019 ՆʮੈքΛ࠶ൃ໌ͤΑ ∼ REINVENT THE WORLDʯ ୈ
1 ظ : 8 ݄ 2 (ۚ)∼6 (Ր) [4 ധ 5 ] @ SFC ࡏ౩ 2 Maker Faire Tokyo 2019 ʹʮग़లʯ ୈ 2 ظ : 8 ݄ 12 (݄)∼16 (ۚ) [4 ധ 5 ] @ ۚീܠ ౡ͔Βͷখதֶੜɾߴߍੜͱౡɾؔ౦ͷେֶੜɾӃੜ͕ͨͪࢀՃ ελοϑࢀՃඅ 5,000 ԁͷ༧ఆ (৯අɾ॓ധඅɾอݥྉ ॾʑࠐΈ) ࠓ৽͍͠ʮࣾձͱςΫϊϩδʔʯͷମݧ͕ຬࡌʂ ͜Ͳ͔ͨͪΒଓʑͱʮੈքͷԿΛ࠶ൃ໌͍͔ͨ͠ʯ͕ಧ͍͍ͯ·͢ ืू͢ΔϘϥϯςΟΞ ɺ͜Ͳͨͪͱ͢ΔάϧʔϓϦʔμʔ/อ݈൝/৯ࣄ൝ ୈ 1 ظঁੑϦʔμʔ 2 ໊ɺୈ 1 ظอ݈൝ɺ྆ظ৯ࣄ൝ (ಛʹୈ 2 ظ) Λܹ͘͠ืूʂ ʮٳΉʯ ʮಇ͘ʯ ʮ༡Ϳʯ ʮֶͿʯ͕ಉ࣌ʹى͖Δૉఢͳମݧʹͥͻ͝ࢀՃΛʂ https://forms.gle/XtwGNeCy83waekot8 ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.5/70
ࠓिͷ༻ޠ (࠷ۙͷχϡʔε͔Β) ଟཁૉೝূͱଟஈ֊ೝূ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10
ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.6/70
ଟཁૉೝূͱଟஈ֊ೝূ ଟཁૉೝূ ࣍ͷ 3 ཁૉͷ͏ͪ 2 ͭҎ্Λ (ಉ࣌ʹ) ༻͢Δ هԱใ
. . . ຊਓ͚͕͍ͩͬͯΔԿ͔ ॴ࣋ใ . . . ຊਓ͚͕ͩॴ༗͍ͯ͠ΔԿ͔ ੜମใ . . . ຊਓͷମͷಛ ۩ମྫʁ ଟஈ֊ೝূ ଟஈ֊Λ౿Ήೝূ . . . ͜ΕΛ௨աɺ࣍ʹ͜ΕΛ௨աɺ. . . ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.7/70
ࠓͷτϐοΫ 1. ՝ϨϏϡʔ 2. ͪΐͬ͜ͱ͓͞Β͍ʴʴ 3. ͜Ε͔ΒͷϒϩοΫνΣʔϯϏδωεΛߟ͑Δ 4. εϚʔτίϯτϥΫτͱΠʔαϦΞϜ 5.
Libra ͱ BBc-1 6. ౼ٞ : εϚʔτίϯτϥΫτ 7. ՝ͷग़ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.8/70
1. ՝ϨϏϡʔ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ
(ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.9/70
՝4.ʮεϚʔτίϯτϥΫτʯ ʮεϚʔτίϯτϥΫτʯͱ͍͏ݴ༿ͷΠϝʔδ͔Βࣗ༝ʹൃͯ͠ɺ ເޠͱͯ͠ͷ۩ମతͳԠ༻ࣄྫΛໝ͠ɺ؆ܿʹड़͍ͯͩ͘͞ αΠΤϯεϑΟΫγϣϯɾϓϩτλΠϐϯάͳײ͡Ͱ͓ئ͍͠·͢ ఏग़ظݶ 2019 7 ݄ 6
() 17:59 JST ఏग़ํ๏ Course N@vi ͔Β ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.10/70
ͱରࡦ . . . ճͷΛݟ·͢ ରࡦ . . .
͜Ε͔ΒतۀΛΑΓΑ͘͢ΔͨΊͷରࡦΛߟ͑·͢ 19+α ໊த 20 ໊ఏग़ (ॕ͑ʂશһఏग़ʂ) Ҿ͖ଓ͖େม໘ന͔ͬͨͰ͢ʂ SF ͬΆ͍ͷগͳ͔͔ͬͨ Έͳ͞ΜͷΞΠσΞ ޏ༻ܖɺؔ੫ɺब৬ΤϯτϦʔγʔτɺෆಈ࢈ି (+ΦʔΫγϣϯ)ɺΪϟϯϒϧɺ εϚʔτϩοΫɺ໔੫ɺ՝ۚͷফ໓ɺॿ͚߹͍ɺϓϩϨεతۚમަবɺ;Δ͞ͱೲ੫ɺ (ւ֎ͷ) Ҿͬӽ͠ (+ೲ੫ؔ࿈खଓ͖)ɺεέδϡʔϧͱަ௨ͷ࿈ಈɺࣗಈं (ΨιϦϯं)ɺ ֶҐɺ৬ྺɺۈঢ়گɺ͓ళͷ༧ɺϋϦουঁ༏ͱͷ݁ࠗɺҨݴ৴ୗɺޱଋɺ ੜ໋อݥ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.11/70
M͞Μͷ࡞ εέδϡʔϧཧͱަ௨खஈ͕શ࿈ܞͨ͠αʔϏε ྫ͑λεΫεέδϡʔϧΛ༧ఆදʹೖΕ͓ͯ͘ͱɺࣗಈͰλΫγʔͳͲ ͷަ௨खஈ͕ख͞Εɺɹग़ൃ࣌ؒʹͳΔͱࣗલʹλΫγʔ͕౸ணɺత ·ͰγʔϜϨεʹ࿈ܞ͞Εɺɹ΄ͱΜͲԿߟ͑Δ͜ͱͳ͘౸ண͢Δ͜ͱ ͕Ͱ͖ΔΑ͏ʹͳΔ ंαʔϏεɺࣗಈӡసɺεέδϡʔϧཧػೳ͕࿈ܞ͠ɺަ௨௨ۈͷ ख͕ؒ΄ͱΜͲͳ͘ͳΔ ਓͷྲྀΕΛѲͰ͖ΔͷͰɺौͳͲͷൃੜ͠ʹ͘͘ͳΔ ौΛճආ͢ΔͨΊʹՃྉۚΛ͏͜ͱͰճආͰ͖ΔͳͲͷ
ΦϓγϣϯΛ༻ҙ͢Δ ⇒ ૉΒ͍͠Ͱ͢Ͷʂ εϚʔτίϯτϥΫτͰͳ͍͔͠Ε·ͤΜ (ࣄલʹԿ͔ΛϓϩάϥϜ͠ͳ͚Ε) ਓؒͷߦಈΛשى͢Δͱ͍͏ҙຯͰݱঢ়Ͱ͋Δఔ (ܦ࿏୳ࡧ·Ͱ) Ͱ͖͍ͯ·͢Ͷ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.12/70
S͞Μͷ࡞ Ҿͬӽ࣌͠ʹඞཁͳखଓ͖ΛશͯεϚʔτίϯτϥΫτʹ͢Δ ࠃ͕Ҿͬӽ͠ʹؔ͢Δखଓ͖ΛҰݩԽͰ͖ΔϓϥοτϑΥʔϜΛ৽ͨʹ࡞͢Δ Ҿͬӽ͢ਓɺݱΞύʔτͱ৽ΞύʔτͷॅॴɺҾͬӽ͠༧ఆͳͲΛ WEB Ͱਃ͢Δ ిؾɺΨεձࣾͳͲબ͠ͳ͚ΕͳΒͳ͍༰ҰཡԽ͠ɺબࣜʹ͢Δʢʹܖͱ͢Δʣ ॅຽථͷҠͷखଓ͖ʢసग़ಧ ⇒ సೖಧʣࣗಈͰߦ͏
༣ศہͷసૹಧ͚ࣗಈͰઃఆ͢Δ ۜߦͱ࿈ܞ͠ɺॅॴมߋखଓ͖ΛࣗಈͰߦ͏ ໔ڐূͷॅॴมߋཪ໘ͷγʔϧ͕৽ॅॴʹૹΒΕͯ͘Δ ⇒ ·͞ʹσδλϧϑΝʔετͰ͢Ͷ (once only principle) ໔ڐূࠓͳΒεϚϗʹೖΕ͍ͨͰ͢Ͷ ྫ͑ EU Ͱͦ͏ͨ͠ͱ͢Δͱʁ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.13/70
Y͞Μͷ࡞ ຊਓαϥϦʔϚϯͰ͋Δࢲ͕ɺϋϦουঁ༏ͱ݁ࠗͰ͖ΔՄೳੑͰ͋Δ ࢲࣗݾΛތுͯ͠ɺϋϦουঁ༏ͱΦϯϥΠϯ্Ͱग़ձ͏ ϋϦουঁ༏͕མͪࠐΜͰ͍ΔλΠϛϯάʹ௮͚ࠐΈɺ༏͍͠உੑΛԋ͡Δ ͦͯ͠ΦϯϥΠϯ্Ͱ݁ࠗ͢Δ ҰձΘͣͯ͠ͷ͕݁ࠗՄೳͱͳΔ ݁ࠗޙʹग़ձ͍ɺͦͷϋϦουঁ༏ʹຊੑΛΒΕɺࠗΛಥ͖͚ͭΒΕͨͱ͢Δ ͔ͦ͠͠ͷ࣌ͰɺϋϦουঁ༏͔ΒଟֹͷҚँྉΛٻ͠ɺലେͳࢿ࢈ͷҰ෦ΛಘΔ͜ͱ͕ Ͱ͖Δ ͜ͷγεςϜΛ͑ɺࠃࡍ݁ࠗΛར༻ͨ͠ډॅݖͷ֫ಘࠃ੶ͷมߋɺҚँྉΛతͱͨ͠
݁ࠗٗɺ͞·͟·ͳ൜ࡑ͕૿͑ΔͱࢥΘΕΔ εϚʔτίϯτϥΫτɺ͍ํΛؒҧ͑ΔͱѱӨڹ͕େ͖͍ͱݴ͑Δ ⇒ ఏىͰ͢Ͷ () ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.14/70
S͞Μͷ࡞ Ҩݴ৴ୗΛۜߦʹґཔ͢Δ߹ɺݱঢ়େͳखྉΛͱΒΕΔ͕ɺεϚʔτ ίϯτϥΫτʹΑΓਓ݅අͷݮ͕ਤΕΕɺίετԽʹΑΔधཁ͕ ੜ·ΕΔͱߟ͑·ͨ͠ Լه͕ܖࣥߦ·ͰͷϑϩʔʹͳΓ·͢ ˓ 1 ܖఆٛɿҨݴͷ༰ͷৄࡉΛઃఆɻࢮޙ͔ʹࣥߦ͢ΔΑ͏औΓܾΊΔ ˓ 2
ΠϕϯτͷػɿҨݴऀͷࢤΛͭ ˓ 3 ܖͷ࣮ߦɿࢮ௨ਓΑΓࢮ࿈བྷΛड͚ͨ߹ɺࣗಈతʹҨݴ༰Λࣥߦ͢Δ ˓ 4 ࢧ͍ɾਫ਼ࢉɿίετͷࢧ͍·ͰࣗಈͰྃ ⇒ ͜Εͥͻޙ΄ͲσΟεΧογϣϯ͠·͠ΐ͏ ࢮΛͲ͏ఆ͢Δ͔Ͱ͕͢ɺݱঢ়Ͱࣾձతʹ͍ͬͯ·͢Ͷ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.15/70
2. ͪΐͬ͜ͱ͓͞Β͍ʴʴ ϒϩοΫνΣʔϯͷΓཱͪ ϒϩοΫνΣʔϯͷਅՁʁ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ
9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.16/70
ϒϩοΫνΣʔϯͷΓཱͪ ͡·Γ : ϏοτίΠϯΛཱͤ͞ΔͨΊʹߟҊ͞Εͨ ͕͍ࣗͬͯΔ͓ۚΛࣗͷ͖ʹ͏ͷΛ୭ʹࢭΊͤ͞ͳ͍ (൱ఆͤ͞ͳ͍) → (ࢧ͍ͷ) ه (͕վ͟Μ͞Εͯͳ͍͜ͱ)
Λূ໌Ͱ͖Δ ূ໌Ͱ͖Δ = ͍͔ͳΔݖҖʹڌΒͳ͍ = தԝ৴͡ͳ͍ ⇒ Ή͠Ζ தԝࣗಈԽͤΑ ͪͳΈʹɺ૽͕Ε͍ͯΔଟ͘ͷ෦ʮΠϯλʔωοτͷຊདྷతͳಛʯ ϒϩοΫνΣʔϯʹݻ༗ͷͰͳ͘ɺ ·ͨɺ࣮ࡍʹϒϩοΫνΣʔϯͰୡͰ͖͍ͯ·ͤΜ ʮඇूத/ࢄʯ ʮ߹ҙܗʯ ʮθϩμϯλΠϜʯ ʮηΩϡΞ/҆શʯ ʮ҆Ձͳใڞ༗ʯ . . . ʑ ͓ͦΒ͘Ұ൪ࠅ͍ͷʮ߹ҙܗʯ Ұൠతͳޠኮͱ CS (Computer Science) ͷޠኮͷࠞಉ͕ى͖͍ͯ·͢ ࣮ࡍʹໃ६͢Δෳͷه͕͋Δ߹ʹͻͱͭΛࣗಈతʹબ͍ͯ͠Δ͚ͩ (CS ʹ͓͚Δίϯηϯαεͷ֓೦) ʮҙࢥදࣔͷ߹கʯɺΔͱ͢ΕϚϧνγά (ෳॺ໊) ͰΓ·͢ (߹ҙ্ཱ͕ͨ͠Ͱɺ߹ҙΛදݱ͢Δ) ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.17/70
நԽ͞Εͨ (ڱ͍ҙຯͷ) ϒϩοΫνΣʔϯ(ݹ͍໘) ϒϩοΫ൪߸O ϒϩοΫ൪߸O ϒϩοΫ൪߸O ϒϩοΫ൪߸O
ϒϩοΫ൪߸O ϒϩοΫ൪߸O ϒϩοΫ൪߸O ϒϩοΫ൪߸O ͍ͪΜهɾॻ͖͑ͷίετ͕ߴ͍ྺ࢙ ࠷վ͟Μ͠ʹ͍͘ྺ࢙ ͕༗ޮ ͻͱͭखલͷϒϩοΫͷ ʮμΠδΣετʯ σδλϧॺ໊͞Εͨ ʮτϥϯβΫγϣϯ औҾ ʯ ϒϩοΫΛ࡞ΔͨΊʹɺͦͷʮμΠδΣετʯ͕͋ΔҎԼͱ͍͏݅Λຬͨͨ͠Γ 1SPPGPG8PSL Ծ௨՟ͷ࣋ͪʹԠͨ͡ݖརΛͬͨථͰউͬͨΓ 1SPPGPG4UBLF ͢Δඞཁ͕͋Δ ίετ͕͔͔Δ ϒϩοΫΛ࡞ΔਓͦͷதʹࣗʹѼͯͨ Ծ௨՟ͰͷใुΛॻ͖ࠐΉ͜ͱ͕Ͱ͖ɺ ͦͷϒϩοΫ͕༗ޮͳྺ࢙ͷதʹ͋Δ߹ʹ ݶΓใु༗ޮͱͳΔ τϥϯβΫγϣϯͷଘࡏΛ֬ೝ͢Δ ͨΊͷޮతͳํ๏͕ఏڙ͞ΕΔ ਖ਼ੑ ଘࡏੑ །Ұੑ Proof of Work (࡞ۀূ໌) ͷ߹ɺೖ͞ΕΔిྗίετԾ௨՟ͷࢢՁͱۉߧ͢Δ Ծ௨՟ͷ ίετͰकΒΕΔهͷΈʹશһ͕ೖΔ͜ͱͰඇվ͟Μͷূ໌Λߦ͏ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.18/70
ϒϩοΫνΣʔϯ/ாٕज़ͷػೳΛղ͢Δ ਖ਼ੑͷอূ ྫ6590ߏͱσδλϧॺ໊ ଘࡏੑͷূ໌ ྫ࡞ۀূ໌͖ϋογϡνΣʔϯ །Ұੑͷ߹ҙ ྫφΧϞτɾίϯηϯαε ϧʔϧͷهड़ ྫ#5$ͷҠస ɾ
τϥϯβΫγϣϯͷ༰͕վ͟ΜͰ͖ͣɺ ɾ ͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺ ɾ ͔ͭɺਖ਼ͳϢʔβʹΑΓೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δ ɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺ ɾ ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻Ͱ͖ͳ͍ ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕ೖ͞Εͨ߹ɺ ɹ ͍ͣΕ ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔ ɾΞϓϦέʔγϣϯϩδοΫ Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ ػೳ͕Լ͔ΒੵΈ্͕͍ͬͯ·͢ (ྫϏοτίΠϯͰ͕͢ɺ֤Λͯ͠ผʑͷٕज़Ͱ࣮ݱՄೳ) ྫ͑ΞηοτΛʮ࠴ݖʯ ɺτϥϯβΫγϣϯΛʮͦͷূ݊Խͱചങʯͱஔ͖͑ͯಡΜͰΈ͍ͯͩ͘͞ ϏοτίΠϯ ࠴ݖͰͳ͍Ξηοτ ͳͷͰɺ࣮ಛघࣄྫͩͱ͍͏͜ͱ͕͔Γ·͢ ৽حੑͲ͜ʹ͋Δʁ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.19/70
ϒϩοΫνΣʔϯ/ாٕज़ͷػೳΛղ͢Δ ਖ਼ੑͷอূ ྫ6590ߏͱσδλϧॺ໊ ଘࡏੑͷূ໌ ྫ࡞ۀূ໌͖ϋογϡνΣʔϯ །Ұੑͷ߹ҙ ྫφΧϞτɾίϯηϯαε ϧʔϧͷهड़ ྫ#5$ͷҠస ɾ
τϥϯβΫγϣϯͷ༰͕վ͟ΜͰ͖ͣɺ ɾ ͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺ ɾ ͔ͭɺਖ਼ͳϢʔβʹΑΓೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δ ɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺ ɾ ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻Ͱ͖ͳ͍ ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕ೖ͞Εͨ߹ɺ ɹ ͍ͣΕ ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔ ɾΞϓϦέʔγϣϯϩδοΫ Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ σδλϧॺ໊ͰͰ͖Δʂ τϥετʹཔΔඞཁ͕͋ͬͨʂ ઃܭʹΑͬͯෆཁʹͰ͖Δʂ ΞϓϦέʔγϣϯʂ ػೳ͕Լ͔ΒੵΈ্͕͍ͬͯ·͢ (ྫϏοτίΠϯͰ͕͢ɺ֤Λͯ͠ผʑͷٕज़Ͱ࣮ݱՄೳ) ྫ͑ΞηοτΛʮ࠴ݖʯ ɺτϥϯβΫγϣϯΛʮͦͷূ݊Խͱചങʯͱஔ͖͑ͯಡΜͰΈ͍ͯͩ͘͞ ϏοτίΠϯ ࠴ݖͰͳ͍Ξηοτ ͳͷͰɺ࣮ಛघࣄྫͩͱ͍͏͜ͱ͕͔Γ·͢ ৽حੑͲ͜ʹ͋Δʁ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.19/70
ϒϩοΫνΣʔϯͷਅՁʁ େࡶʹݴͬͯɺϒϩοΫνΣʔϯͰॳΊͯՄೳʹͳΔ͜ͱʁ ྫ 1 : ҨݴॻͷσδλϧԽ (͋͘·Ͱࢥߟ࣮ݧతͳҙຯͰ) ຊਓ͕͘ͳͬͨޙɺσδλϧॺ໊ʹͬͨൿີݤൿີͱݶΒͳ͍ (ຊਓ࿙ӮʹରॲͰ͖ͳ͍) ʮੜલʹॺ໊͞Εͨ··อશ͍ͯ͠·͢ʯͱݴ͍ுΔެূਓ৴͡ΒΕͳ͍
(ൿີݤΛಘͨ૬ଓਓͱڞͷՄೳੑ) ྫ 2 : ΦϯϥΠϯόϯΩϯάͷ௨ாσʔλͷূڌূ݊ (ۜߦͷෛ࠴Λද͢) Խ CSV ϑΝΠϧͱͯ͠μϯϩʔυͯ͠ɺ୭Ͱ࡞ΕΔσʔλূڌʹͳΒͳ͍ ۜߦͷσδλϧॺ໊͕͍ͯɺͻͱͨͼൿີݤ͕࿙Ӯͨ͠ΒͬͺΓ୭Ͱ࡞ΕΔσʔλʹͳͬͯ͠·͏ ʮಛఆͷաڈʹҐஔ͚ͮΒΕͨσδλϧॺ໊͖σʔλ͕ɺ վ͟Μ͞ΕͨͷͰͳ͍ʯ͜ͱΛ (ͦ͏ݴ͍ுΔౕΛ৴͡ΔͷͰͳ͘) ূ໌͢Δ ͋ͳͨͷϒϩοΫνΣʔϯͰͦΕ͕Ͱ͖·͔͢ʁͱ͏ͷ͕ ʮҨݴॻςετʯ ୭͔͕ʮϒϩοΫνΣʔϯͰ͢ʯͱݴͬͯചΓࠐΜͰདྷͨͷ͕ຊʹҙຯ͋Δͷͳͷ͔͔֬ΊΔͨΊͷςετ ͜ͷਅՁΛຬͨ͠͏ΔΞΠσΞ (࡞ۀূ໌͖ϋογϡνΣʔϯ) ͕͋Γɺͦͷपลʹطଘͷٕज़ΛΈ߹Θͤͨͷ͕ ϏοτίΠϯͷϒϩοΫνΣʔϯ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.20/70
ࠓɺͦΕͲͷఔͰ͖͍ͯΔʁ ʮҨݴॻςετʯʹ߹֨͢Δٕज़ݱࡏ͋Δ͔ ύϒϦοΫͳϒϩοΫνΣʔϯͰɺԾ௨՟ͷࢢՁ͕ߴ͍ؒɺ·͋Ͱ͖͍ͯΔ վ͟Μ͠Α͏ͱ͢Δͱେ͖ͳίετΛΘͳ͚ΕͳΒͳ͍ɺͱ͍͏कΓํ Ծ௨՟ͷՁ͕֨Լ͕ͬͨΓམ͢Δͱ৴པͰ͖ͳ͍ͷʹͳΔ ϓϥΠϕʔτͳாγεςϜʮݴ͍ுΔʯ͚ͩʹͳͬͯ͠·͍ɺͰ͖͍ͯͳ͍ ʮ×× ͕ࣾ࡞ͬͯಈ͔͢ϒϩοΫνΣʔϯʯେͷ߹ɺແҙຯ ← ͥͻ͓ؾΛ͚͍ͭͩ͘͞
߹֨͢ΔΑ͏ʹ৽͍ٕ͠ज़Λ࡞͍ͬͯ·͢ BBc-1 (Beyond Blockchain One; https://github.com/beyond-blockchain) هͱ࣮ମʹؔ͢Δຊ࣭తͳ՝͋Γ·͢ ٕज़͚ͩͰղܾͰ͖ͳ͍ྖҬ ΛؚΉ (ެ։ݤຊʹຊਓͷͷ͔ʁ) ιʔείʔυͷެ։ੑؚΊɺେ·͔ʹ . . . ʮࣗಈԽ͞Ε͍ͯΔΈΛͲ͏৴པͰ͖Δ͔ʯͱ͍͏ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.21/70
3. ͜Ε͔ΒͷϒϩοΫνΣʔϯ ϏδωεΛߟ͑Δ ٕज़γʔζΛ׆͔͢χʔζΛΈཱͯͳ͚Ε ෆ ࠓ͋Δχʔζ͔Βߟ͑ͯ ഁյ ͕ى͖ͳ͍ దͳʮ͍ʯΛཱͯͳ͚ΕͳΒͳ͍ ϑΟϯςοΫ
— ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.22/70
͋Γ͕ͪͳύλʔϯ (ෆ) োੑ (by Խ) ͷͨΊͷٕज़ (since 1984) (ݖݶͷࢄؔͳ͍) (εέʔϧ͠ͳ͍)
ಉ͡ΠϕϯτྻΛड͚औΔঢ়ଶϚγϯಉ͡ঢ়ଶʹͳΔͱ͍͏લఏ (ܾఆత) Πϕϯτͷॱংʹ߹ҙ͢Δඞཁ͕͋Δ . . . σδϟϰʁɹ (͍ΘΏΔʮ༻ϒϩοΫνΣʔϯʯͷߏʹࠅࣅ) ⇒ তͷ͔࣌Β͋ΔރΕٕͨज़ɾख๏Λ͞৽͍͠ͷͰ͋Δ͔ͷΑ͏ʹݴ͏ͷͰ͋Ε . . . ʮΔඞཁ͋Δͷʁʯ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.23/70
ຊདྷɺૂ͏͖ύλʔϯ (ഁյ) Τϯυ (ͬ͜) ੍͕ޚ (ίϯτϩʔϧ) ΛͭͨΊͷٕज़ (ݖݶͷࢄ) (εέʔϧ͠͏Δ) ੍ޚ͞ΕΔͷ͕Ұ؏ੑΛͬͯଘࡏ͢Δͱ͍͏ΠϦϡʔδϣϯΛҡ࣋
ͦͷͨΊʹোੑ (by Խ) ͕ඞཁʹͳΔ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.24/70
Q. ҙͷ(ใۭؒత) ۭதʹσδλϧͳଋΛݻఆ Ͱ͖Δͱͨ͠ΒɺͲΜͳ͜ͱʹ͑·͔͢ʁ ͦͷۭதʹ͓͍ͯɺଋͷ༰୭ͰࢀরɾݕূͰ͖·͢ ଋ͞ΕͨओମͰ͋Δ͜ͱΛূ໌Ͱ͖ΕɺଋΛࣗಈతʹ࣮ߦͤ͞Δ͜ͱͰ͖·͢ (ଋ = ϓϩάϥϜ /
ଋ = εϓϨουγʔτͷηϧ) ⇒ ಛʹ͍ҙຯͰͷެڞࡒͷެਖ਼ͳӡ༻ʹ͍͍ͯΔ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.25/70
ۭதʹݻఆ͢Δͱ ۭதʹݻఆ͞Ε͍ͯΔԿ͔ (ࣸਅΠϝʔδͰ͢) ߏ͍ͯ͠Δओମઈ͑ͣೖΕସΘͬͯ ͍Δ͕ɺ͔͕ͨͪҡ࣋͞Ε͍ͯΔ ݟ͑Δਓͷ୭͕ݟͯಉ͡ʹݟ͑Δ ۭதʹݻఆ͞Ε͍ͯͳ͍߹ Ͳ͏ͯ͠ೖΕସ͑ΒΕͳ͍୭͔͕͍Δ ͍ͦͭʹΑͬͯࢭΊΒΕΔ͔Εͳ͍ ۭதʹݻఆ͞Ε͍ͯΔͳΒ
ύϒϦοΫ (ެڞ) ͔ͭϑΣΞ (ެਖ਼) Ͱ͋Δ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.26/70
ۭதଋݻఆஔ (͜ΕΛϒϩοΫͷνΣʔϯͰ࣮ݱ͢Δ͔Ͳ͏͔େࣄͰͳ͍) ఆٛ͞ΕۭͨதࢀՃऀͨͪͷྗ͚ͩͰҡ࣋͢Δ (ಛఆͷཧऀ͍ͳ͍) ଋ/ΞηοτݖརΛ࣋ͭࢀՃऀ͔͠ૢ࡞Ͱ͖ͳ͍ ಛఆͷ୭͔͕ҡ͍࣋ͯ͠ͳ͍ͷͰɺఆٛ͞Εۭͨத͕ଘଓ͢Δ͔͗Γଋ/ΞηοτଘଓͰ͖Δ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019
Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.27/70
ྫ — ࣗಈΤεΫϩʔʹΑΔͷചങ (தԝͷࣗಈԽ) 1. ۚͷ࣋ͪಀ͛Λ͙ͨΊʹചങܖΛۭதʹݻఆ (ͲͪΒ͕ͬͯ༰ΛݕূՄ) 2. ͷݖརۚΛചങܖʹ༬ୗ͢Δ (ؾ͕มΘͬͨΒऔΓͯ͠Α͍)
3. ࣮ߦ (͜ΕͲͪΒ͕ͬͯΑ͍) ͢Δͱɺ͕݅ଗ͍ͬͯΔͳΒͷݖརͱ͕ۚಉ࣌ʹҠస͢Δ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.28/70
લϖʔδͷτΠϓϩάϥϜΛ ࣮ࡍʹࢼ͍ͨ͠ਓ. . . ҎԼͷ Ethereum ʹؔ͢Δ෦͚ͩΛ͏ͱͰ͖·͢ https://speakerdeck.com/ks91/introduction-to-bbc-1-and-ethereum https://speakerdeck.com/ks91/practice-2-for-bbc-1-and-ethereum ϑΟϯςοΫ
— ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.29/70
͜͜·Ͱͷ·ͱΊʹ͑ͯ ϒϩοΫνΣʔϯɺΞηοτʹରͯ͠Τϯυ͕શݖΛͭ͜ͱΛࢦͯ͠ ͭ͘ΒΕ͍ͯΔ (·ͨɺهΛશʹอશ͢Δ͜ͱͷؼ͕݁ͦΕͰ͋Δ) தԝࣗಈԽ͞ΕΔ ٕज़తͳ՝ଟ͍ ϒϩοΫνΣʔϯ͕Ͱ͖Δͱ͞Ε͍ͯΔ͜ͱ͕࣮ࡍʹͰ͖Εҙٛେ͖͍ Ұํɺଟ͘ͷԠ༻ (࣮ূ࣮ݧ) ࣄྫඞͣ͠ϒϩοΫνΣʔϯ͕ղ͖͍ͨΛ
ղ͖͍ͨΑ͏ʹݟ͑ͳ͍ ෆͳࣄྫ͕େྔʹͭ͘ΒΕ͍ͯΔͷ͕ݱঢ় దͳʮ͍ʯΛཱͯΔ͜ͱ͕ɺ·ͣԿΑΓॏཁͰ͋Δ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.30/70
4. εϚʔτίϯτϥΫτͱΠʔαϦΞϜ εϚʔτίϯτϥΫτͱԿ͔ Ethereum ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ
9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.31/70
εϚʔτίϯτϥΫτͱԿ͔ ڱ͍ҙຯͰޠΔ ͍ҙຯͰޠΔ εϚʔτίϯτϥΫτͱࣗಈൢചػ ܖͱʁ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն
ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.32/70
ڱ͍ҙຯͰޠΔ εϚʔτίϯτϥΫτͱ σδλϧʹදݱ͞ΕΔࢿ࢈Λ༧ΊఆΊΒΕͨϧʔϧʹैͬͯ ࣗಈతʹҠసɾঢ়ଶભҠͤ͞ΔΈ ޠײͱ߹Θͳ͍ ͔͠͠ɺ͜ͷڱٛͷҙຯʹҙຯ͕͋Δ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019
Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.33/70
͍ҙຯͰޠΔ εϚʔτίϯτϥΫτͱ ܖΛػցͰ࣮͢ΔΈ ·ͨɺͦͷΑ͏ʹ࣮ͯ͠͞Εͨܖ ↑ ະདྷͷࣙॻʹࡌΔఆٛ ݪॳతʹࣗಈൢചػͳͲεϚʔτίϯτϥΫτʹͨΔ ࣗಈൢചػ . .
. ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.34/70
ݱ࣮ vs. ϒϩοΫνΣʔϯ ࢥߟ࣮ݧ ϏοτίΠϯͰࢧ͏ͱɺ্ۭΛඈͿυϩʔϯ͕ӡΜͰ͖ͨ؈δϡʔεΛ མͱͯ͘͠ΕΔͱ͍͏αʔϏεΛ࡞Δͱ͢Δ υϩʔϯ͍ͭ؈δϡʔεΛམͱͤΑ͍ͷ͔ʁ ࣮࣌ؒͰਐߦ͢Δݱ࣮ͱɺϒϩοΫνΣʔϯͷಈ࡞͔͚Ε͍ͯΔ ͜ͷυϩʔϯʹΑΔࣗൢػͷྫखͳ͚ͩ ී௨ͷࣗൢػͰ·ͬͨ͘ಉ͜͡ͱ͕ݴ͑Δ
ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.35/70
ܖͱʁ ܖͱ (by ࣙԓ) 1. ଋ 2. ରཱ͢Δෳͷҙࢥදࣔͷ߹கʹΑཱͬͯ͢Δ๏ߦҝ ଃ༩ɾചങɾަɾିआɾෛɾޏ༻ɾҕɾدୗͳͲ͕ͦͷྫ ཱͷຊ࣭తཁ݅
ࣄऀؒͷҙࢥදࣔͷ߹க ͦͷͨΊͷϝσΟΞ ޱ಄ɺѲखɺ೪൘ʹூΔɾম͘ɾׂΔɺࢴ (खॻ͖)ɺࢴ (ҹ)ɺ . . . ػցͰͰ͖Δ͜ͱʁ cf.ʮϝσΟΞ͕ϝοηʔδͩʯby McLuhan cf.ʮάʔςϯϕϧΫͷۜՏܥʯby McLuhan ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.36/70
άʔςϯϕϧΫͷۜՏܥ ஶऀͱ͍͏֓೦ͷੜ Պֶతํ๏ͷཱ֬ φγϣφϦζϜͷଅਐ өըͷੜΛ४උ ͱະͷ໌֬ͳ۠ผͷཱ֬ ⇒ ݸਓओٛͷཱ֬ େऺจԽͷըҰԽ
: ⇒ ࢈ۀࣾձΛ४උͨ͠ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.37/70
స͢ΔάʔςϯϕϧΫͷۜՏܥ ஶऀͱ͍͏֓೦ͷഁյ Պֶతํ๏ͷݟ͠ ٿنͷࢹͷଅਐ ສਓ͕ө૾࡞ՈʹͳΔ ͱະͷෆ໌ྎԽ ⇒ ΦʔϓϯσβΠϯ ίϥϘϨʔγϣϯ ڠ
ಇͷଅਐ จԽࣄͷଟ༷Խ : ⇒ ࢈ۀࣾձͷ࣍ͷࣾձΛ४උ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.38/70
Ethereum ͷ֓ཁ ϒϩοΫνΣʔϯͱঢ়ଶભҠ EVM (Ethereum Virtual Machine) ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ
2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.39/70
ΠʔαϦΞϜͱʁ Vitalik Buterin, “Ethereum White Paper: A NEXT GENERATION SMART
CONTRACT & DECENTRALIZED APPLICATION PLATFORM” ϒϩοΫνΣʔϯٕज़ΛԠ༻ ฏۉϒϩοΫִؒ 15 ඵΛඪ ͦ͜ʹϓϩάϥϛϯάݴޠΛࡌͤΔ νϡʔϦϯάશ = ສೳνϡʔϦϯάϚγϯΛΤϛϡϨʔτͰ͖Δ (ͨΓલ) DApps (தԝΛࣗಈԽ͢ΔΞϓϦ) ͷͨΊͷج൫ ݱࡏͷۚ༥ɾ՟ฎܦࡁγεςϜΛ࣌Εʹ͠Α͏ͱ͢Δҙਤ͕ݟ͑Δ εϚʔτίϯτϥΫτ ͱͦͦͦ͏͍͏ͷ σδλϧࢿ࢈ͷҠసঢ়ଶભҠΛࣗಈԽ͢Δ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.40/70
ϒϩοΫνΣʔϯͱঢ়ଶભҠ ϒϩοΫνΣʔϯ = ঢ়ଶϚγϯ (ঢ়ଶભҠγεςϜ) ͷ run = ίϯϐϡʔλͷಈ࡞ ϑΟϯςοΫ
— ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.41/70
༻ޠମܥ Ether Ethereum ʹ͓͚Δ௨՟ ֎෦ΞΫλʔ σδλϧॺ໊Ͱ͖Δ࣮ࡏͰɺΞΧϯτΛͭ EOA : Externally-Owned Account
ࣗΦϒδΣΫτ (෦ΞΫλʔ) γεςϜͰࣗಈ࡞͠ɺΞΧϯτΛͭ ͱݴ͏ͷͷɺϝοηʔδΛૹΒͳ͍ͱಈ͔ͳ͍ (ͦͯ͠ϚΠφʔ͕ಈ͔͢) ΞΧϯτ Ether ߴΛͪɺετϨʔδ (ঢ়ଶ) EVM ίʔυΛͯΔ EVM ίʔυ εϚʔτίϯτϥΫτͷϓϩάϥϜ εϚʔτίϯτϥΫτ = Ethereum ʹ͓͚ΔԠ༻ϓϩάϥϜ ̸ = εϚʔτͳܖ ϒϩοΫνΣʔϯʹॻ͖ࠐ·ΕΔ͜ͱͰਅਖ਼ੑ͕୲อ͞ΕΔ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.42/70
EVM : Ethereum Virtual Machine ࣗΦϒδΣΫτ͕ϝοηʔδΛड͚Δͱىಈ͠ɺίϯτϥΫτΛ࣮ߦɺঢ়ଶΛมԽͤ͞Δ ࣮ߦεςοϓຖʹ Gas ͷڙڅ͕ඞཁ (ແݶϧʔϓΛආ͚ɺEVM
ͷ࣮ߦऀ = ϚΠφʔͷखྉͱͳΔ) ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.43/70
ϒϩοΫνΣʔϯͷٕज़తͳ՝ͷཧ ඇ࣮࣌ؒੑ (֬తಈ࡞) ൿಗͷࠔੑ (ສਓͷݕূՄೳੑͷ୲อ) ϫϯωε (ࢄ vs. ෳ) εέʔϥϏϦςΟ͕ͳ͍
(શࢀՃऀʹෳ͞ΕΔͳΒεέʔϧ͠ͳ͍) ਐԽͷΨόφϯε͕ࠔ (શһ͕ҰؙͱͳΔඞཁ͕͋ΔͳΒมΘΕͳ͍) ΠϯηϯςΟϒͷϛεϚον (ج൫ͱԠ༻ͰͷࢀՃಈػͷෆҰக) ωΠςΟϒ௨՟ͷՁͰࢧ͑ΒΕ͍ͯΔ (མ͢Δͱͯ͢ͷԠ༻͕ࢭ·Δ) ⇒ θϩϕʔεͰઃܭͤ͠ղ͚Δ ࣮ࡍʹਐߦதͰ͢ (ྫ : BBc-1) ଟ͘ͷாٕज़θϩϕʔεͰߟ͍͑ͯͳ͍ͱ͜Ζ͕ ྫ : ࡞ۀূ໌ͷ͔ͳ͍ϋογϡνΣʔϯվ͟Μ͠์ ྫ : ʮ৽ฉϞσϧʯͰݴ͑ɺۀքࢴࣾใʹࡌͤΔΑ͏ͳ͜ͱΛͯ͠ଘࡏূ໌ʹͳΒͳ͍ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.44/70
՝ͱ Ethereum ͷΞϓϩʔν (ϒϩοΫνΣʔϯͷߟ͑ํͷ··ղ͘) ඇ࣮࣌ؒੑ (֬తಈ࡞) ⇒ τϥϯβΫγϣϯΛϑΝΠφϥΠζ͢ΔΈ (Casper) ൿಗͷࠔੑ
(ສਓͷݕূՄೳੑͷ୲อ) ⇒ ZoE (Zcash on Ethereum) ϫϯωε (ࢄ vs. ෳ) εέʔϥϏϦςΟ͕ͳ͍ (શࢀՃऀʹෳ͞ΕΔͳΒεέʔϧ͠ͳ͍) ⇒ γϟʔσΟϯάɺPlasma ਐԽͷΨόφϯε͕ࠔ (શһ͕ҰؙͱͳΔඞཁ͕͋ΔͳΒมΘΕͳ͍) ⇒ ༏͍͠ಠࡋऀ (ۤস) (Benevolent Dictator For Life (BDFL)) ΠϯηϯςΟϒෆ߹ੑ ωΠςΟϒ௨՟ͷՁͰࢧ͑ΒΕ͍ͯΔ (མ͢Δͱͯ͢ͷԠ༻͕ࢭ·Δ) ⇒ ΞϓϦΛ࣮ߦ͍ͨ͠ਓʑ͕ങ͍ࢧ͑Δʁ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.45/70
՝ͱ BBc-1 ͷΞϓϩʔν (ϒϩοΫνΣʔϯͷߟ͑ํΛࣺͯͯղ͘) ඇ࣮࣌ؒੑ (֬తಈ࡞) ⇒ τϥϯβΫγϣϯͷίϛοτ·Ͱʹ֬తಈ࡞͕ೖΒͳ͍ ൿಗͷࠔੑ (ສਓͷݕূՄೳੑͷ୲อ)
⇒ υϝΠϯ֎τϥϯβΫγϣϯͷ༰ΛൿಗɺଆͰ҉߸ԽՄ ϫϯωε (ࢄ vs. ෳ) εέʔϥϏϦςΟ͕ͳ͍ (શࢀՃऀʹෳ͞ΕΔͳΒεέʔϧ͠ͳ͍) ⇒ υϝΠϯ୯ҐͰεέʔϧΞτɺυϝΠϯকདྷతʹ DHT ਐԽͷΨόφϯε͕ࠔ (શһ͕ҰؙͱͳΔඞཁ͕͋ΔͳΒมΘΕͳ͍) ⇒ υϝΠϯ͝ͱͷ࣏ࣗ (υϝΠϯϓϩτίϧؔ͠ͳ͍) ΠϯηϯςΟϒෆ߹ੑ ωΠςΟϒ௨՟ͷՁͰࢧ͑ΒΕ͍ͯΔ (མ͢Δͱͯ͢ͷԠ༻͕ࢭ·Δ) ⇒ ωΠςΟϒ௨՟࣋ͨͣɺίϯςΩετূ໌ޓॿతʹಈ࡞ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.46/70
εϚʔτίϯτϥΫτϓϩάϥϛϯά ϓϩάϥϛϯάݴޠ ಛͱ՝ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10
ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.47/70
ϓϩάϥϛϯάݴޠ EVM ͕ղऍ͢ΔͷόΠτίʔυ ͦͷଞʹߴڃݴޠͷίϯύΠϥΛ༻ҙ ߴڃݴޠ : ਓ͕ؒಡΈॻ͖Ͱ͖Δݴޠ Ұํɺػցʹ͍ۙݴޠʮڃݴޠʯͰ . .
. ͦΜͳ͜ͱΛݴͬͯΔͱͦͷ͏ͪਓೳʹౖΒΕΔ͔ ྫ : Solidity — JavaScript ʹࣅͨݴޠ ݱࡏͷϓϥΠϚϦݴޠ LLL — Lisp ʹࣅͨݴޠ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.48/70
Solidity αϯϓϧίʔυ (͜Ε͕ߴڃݴޠͩʂ) pragma solidity >=0.4.18 <0.6.0; contract IndivisibleAsset {
/* ׂͰ͖ͳ͍ࢿ࢈ͷॴ༗ݖͷҠసΛ࣮ݱ */ string public _name; string public _symbol; uint256 public _quantity; address public _owner; constructor(string name, string symbol, uint256 quantity) public { _name = name; _symbol = symbol; _quantity = quantity; _owner = msg.sender; } function transfer(address to) public returns (bool) { require (_owner == msg.sender); _owner = to; return true; } } ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.49/70
ϓϩάϥϛϯάݴޠ Solidity ͷಛ JavaScript ෩ ΦϒδΣΫτࢦ ίϯτϥΫτΛܗ (ܕ, Ϋϥε) ͱͯ͠هड़͢Δ
σϓϩΠ͢Δࡍʹߏஙࢠ (constructor) ͕ݺΕΔ σϓϩΠ (deploy) = ίϯτϥΫτΛϒϩοΫνΣʔϯʹඋ͢Δ ͦͷࡍʹߏஙࢠʹ͢ύϥϝʔλΛܾΊΔ σϓϩΠ͞ΕͨίϯτϥΫτ۩ମతͳ࣮ମ (Πϯελϯε) ΞΧϯτΛͭ (ΞυϨεͰࣝผ͞ΕΔ) ετϨʔδͱ ETH ߴΛͭ ଞͷίϯτϥΫτʹϝοηʔδΛૹΕΔ σϓϩΠ͞ΕͨίϯτϥΫτʹϝοηʔδΛૹͬͯૢ࡞͢Δͱ͍͏Ϟσϧ ϝοηʔδʹԠ͢Δίʔυͷਅਖ਼ੑ͕୲อ͞ΕΔͱ͍͏લఏͷ্Ͱ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.50/70
ಛͱ՝ ಛ ϒϩοΫͷݕূͷաఔͰϓϩάϥϜΛ࣮ߦ͠ɺͦͷ݁ՌΛঢ়ଶʹөͤ͞Δ ෳͷݕূऀ͕ʹ࣮ߦ ϒϩοΫνΣʔϯͷதʹด͡Δ ΠʔαϦΞϜͷମܥͷதͰ߹త ՝ ϓϩάϥϜͷத͔Βೖग़ྗίϚϯυΛग़ͤͳ͍ ֎෦ΞΫλʔҎ֎ͷ֎քͷӨڹΛड͚ͨΓɺ ·
ex. ηϯα͔ΒͷσʔλΛಡΈʹߦ͚ͳ͍ ֎քʹӨڹΛٴ΅͢͜ͱ͕Ͱ͖ͳ͍ · ex. ϞʔλʔΛճ͢ίϚϯυΛૹΕͳ͍ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.51/70
ϒϩοΫνΣʔϯͱεϚʔτίϯτϥΫτ ADEPT ͱચ୕ػ ڱ͍ҙຯͰޠΔҙຯ ίϯτϥΫτͷਅਖ਼ੑ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն
ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.52/70
ADEPT ͱચ୕ػ ADEPT : IBM ͷ IoT ݚڀϓϩδΣΫτ ϒϩοΫνΣʔϯΛ༻͍ͨચ୕ػͷྫ͕ग़ͯ͘Δ ҰମԿΛΔʁ
Ϟʔλʔ੍ޚͰ͖ͳ͍ શϚΠφʔ͕֤ʑͷλΠϛϯάͰಈ͖ͳ͕Βॲཧ͍ͯ͠Δ → ϒϩοΫνΣʔϯ͔Βೖग़ྗίϚϯυग़ͤͳ͍ ⇒ ʮڱ͍ҙຯʯʹԡ͠ࠐ·Εͨಈ࡞ ચࡎΛൃ͢Δʂ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.53/70
ڱ͍ҙຯͰޠΔҙຯ εϚʔτίϯτϥΫτͱ σδλϧʹදݱ͞ΕΔࢿ࢈Λ༧ΊఆΊΒΕͨϧʔϧʹैͬͯ ࣗಈతʹҠసɾঢ়ଶભҠͤ͞ΔΈ ޠײͱ߹Θͳ͍ ͔͠͠ɺϒϩοΫνΣʔϯͰՄೳͳͷ͜ͷ͜ͱ ݁ՌϒϩοΫνΣʔϯͷதʹด͡Δ ܖʹରՁ͕͍ܾࡁͱෆՄͳͷͰɺ͜Ε͚ͩͰॏཁͱ͍͑ॏཁ ϑΟϯςοΫ —
ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.54/70
ίϯτϥΫτͷਅਖ਼ੑ ୭͕ݕূऀͱͯ͠ϒϩοΫͷݕূͱίϯτϥΫτͷ࣮ߦʹࢀՃͰ͖Δ ⇒ ୭͕ίϯτϥΫτͷίʔυʹΞΫηεͰ͖Δ ਖ਼͍͠ίϯτϥΫτ͕࣮ߦ͞Ε͍ͯΔ͔ݪཧతʹݕূՄೳ ೖग़ྗϒϩοΫνΣʔϯͷ֎ଆʹ͋ΔͷͰɺܖͷ༰શ෦ΛΒΕΔ͜ͱͳͦ͘Ε͕Մೳ ʮਖ਼͍͠ίϯτϥΫτ͕࣮ߦ͞Εͨʯͱ୭͕֬ೝͰ͖Δ͜ͱ͕ εϚʔτίϯτϥΫτͷਅՁʁ ʮ༰ଘࡏ୭ʹ൱ఆͰ͖ͳ͍هʯͱͯ͠ͷϓϩάϥϜίʔυͱͦͷ࣮ߦ݁Ռ ͨͩ͠ɺΠʔαϦΞϜͷํ๏།ҰͷΓํͰͳ͍
ίϯτϥΫτͷϥΠϑαΠΫϧͷཧํ๏ͳͲؚΊͯ՝ଟ͍ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.55/70
The DAO ࣄ݅ (࿐ݟͨ͠Ψόφϯεͷ՝) ΠʔαϦΞϜ্ʹ࡞ΒΕͨࣗࢄࢿϑΝϯυ The DAO Split (ϑΝϯυׂ) ࠶ؼݺͼग़͠ʹΑΔ
360 ສ ETH (50∼60 ԯԁ) ౪ (2016/6/17) બࢶ Կ͠ͳ͍ ιϑτϑΥʔΫ (ޓੑΛҡ࣋ͨ͠ΞυϨεౚ݁) ࢿۚΒͳ͍ ϋʔυϑΥʔΫ (ྺ࢙ͷॻ͖͑; ݱࡏΛ੍͢ΔऀաڈΛ੍͢) ͋Δҙຯʮϫϯωεͷ᠘ʯͷ࠷ѱͷൃݱ ίϛϡχςΟʮϋʔυϑΥʔΫʯΛબΜͩʂ (2016/7/20 ࣮ߦ) ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.56/70
τʔΫϯͷઃܭ ՟ฎϒϩοΫνΣʔϯ͕ಘҙͱ͢ΔԠ༻ ͦͷԠ༻ྗΛ͘։์͢ΔநΫϥε ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10
ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.57/70
ERC20 τʔΫϯ ERC (Ethereum Request for Comment) ͷୈ 20 ൪ͷจॻ
https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md contract ERC20 { function totalSupply() constant returns (uint totalSupply); function balanceOf(address _owner) constant returns (uint balance); function transfer(address _to, uint _value) returns (bool success); function transferFrom(address _from, address _to, uint _value) returns (bool success); function approve(address _spender, uint _value) returns (bool success); function allowance(address _owner, address _spender) constant returns (uint remaining); event Transfer(address indexed _from, address indexed _to, uint _value); event Approval(address indexed _owner, address indexed _spender, uint _value); } ଞʹΦϓγϣϯͱͯ͠ name/໊শ, symbol/୯Ґɾه߸, decimals/খҎԼԿܻ͔ approve ଞͷϢʔβ͔ΒͷҾ͖ग़͠ΛڐՄ͠ɺallowance ͦͷϦϛοτΛฦ͢ ز͔͕ͭ͋ΓɺERC223 (ޡૹ৴༧), ERC721 (Non-Fungible) ʹΑΓ֦ு͞Ε͍ͯΔ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.58/70
5. Libra ͱ BBc-1 Libra BBc-1 ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019
Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.59/70
Libra (Facebook) ۚ༥แઁΛᨳ͏άϩʔόϧ୯Ұࢢ௨՟γεςϜ ʮϑΟϯςοΫɾΞΠσΞιϯʯͰѻ͏ͷͰɺ ϗϫΠτϖʔύʔΛख़ಡ͓͍͍ͯͯͩ͘͠͞ https://libra.org/ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019
Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.60/70
The Libra Blockchain The Libra Blockchain ͷϗϫΠτϖʔύʔͷ࠷ॳͷਤΛநԽ͢Δͱ͜͏ͳΔΘ͚Ͱ . . .
https://developers.libra.org/docs/the-libra-blockchain-paper ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.61/70
The Libra Blockchain – ઃܭ্ͷબ ϧʔϧ Move ݴޠͰهड़͞ΕΔεϚʔτίϯτϥΫτ །Ұੑ BFT
(1,000 نͰΔͭΓΒ͍͠) ଘࡏূ໌ ϚʔΫϧ (ϧʔτΛ publish ͍ͯ͠ΔΑ͏ʹݟ͑ͳ͍) ਖ਼ੑ εςʔτཧ + σδλϧॺ໊ ʮۭதʯॳظʹ͓͍ͯϓϥΠϕʔτͳۭؒ 5 ҎʹάϩʔόϧԽɺpermissionless ԽΛਤΔ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.62/70
BBc-1 (Beyond Blockchain One) (զʑ) ϒϩοΫνΣʔϯͰͰ͖Δͱ͞Ε͍ͯΔ͜ͱΛɺຊʹɻ https://github.com/beyond-blockchain https://beyond-blockchain.org ϑΟϯςοΫ —
ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.63/70
֓ཁ طଘͷϒϩοΫνΣʔϯΑΓڧݻͳվ͟Μݕग़ɾରԠੑ ϒϩοΫ Proof of Work ͱ͍ͬͨɺޮΛଛͳ͏ཁҼΛऔΓ͍ɺଈ࣌ੑɺলࢿݯ ͓ΑͼεέʔϥϏϦςΟΛୡͰ͖Δઃܭ σʔλͷڞ༗ൣғΛઃఆ͠ൿಗੑΛୡͰ͖Δɺ ʮυϝΠϯʯͱݺΕΔαϒωοτϫʔΫ
Bitcoin ͷߟ͑ํΛ౿ऻͨ͠ɺ(ಉҰυϝΠϯͷ) ୈࡾऀʹΑΔݕূՄೳੑΛ୲อͨ͠σʔλߏ ϓϥΠϕʔτͳԠ༻ͰτϥϯβΫγϣϯͷূ໌ػೳΛఏڙ Ϣʔβࣝผࢠͱެ։ݤΛ͢Δ͜ͱʹΑΓɺൿີݤ͕ࣦΘΕͨ߹ͷճ෮खஈΛఏڙ ίΞ෦ͰϕʔγοΫͳػೳ͚ͩΛఏڙ͢Δ͜ͱʹΑΔߴͳ֦ுੑ BBc Trust (ϏϤϯυϒϩοΫνΣʔϯݑষ) Λ࣮ https://beyond-blockchain.org/public/bbc-trust.pdf (ݪจ) https://beyond-blockchain.org/public/bbc-trust_ja.pdf (ຊޠεϥΠυ) Design Paper (white paper) https://beyond-blockchain.org/public/bbc1-design-paper.pdf ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.64/70
ʮͷͼ͠Ζʯ͕͋Δઃܭ BBc-1 ͷॳظͷઃܭࢀরιϑτΣΞ͕ಘҙͰͳ͍෦ʹվળɾ֦ுͷ༨͕͋Δ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10
ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.65/70
BBc-1 – ઃܭ্ͷબ ϧʔϧ ΞϓϦέʔγϣϯʹͯҙʹهड़ (ॳظ Python) །Ұੑ σδλϧΞηοτෛ࠴Ͱ͋Γɺ࠴ऀ͕อূ͢Δ ଘࡏূ໌
ίϯςΩετূ໌ (υϝΠϯΛލ͙ TX ؒͷࢀরؔͷཤྺަࠩ) (ॳظύϒϦοΫͳϒϩοΫνΣʔϯʹΞϯΧϦϯά) ਖ਼ੑ UTXO/Relation ͔ͭࣝผࢠͱެ։ݤΛɺυϝΠϯ֎ʹൿಗ ʮۭதʯ୯ҰͷۭؒͰͳ͘ɺυϝΠϯͰׂ͞Ε͍ͯΔ ݖͰ͖Δ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.66/70
6. ౼ٞ : εϚʔτίϯτϥΫτ Ҩݴͷࣥචɾอɾߋ৽ɾࣥߦΛࣗಈԽ͍ͨ͠ͱ͠·͢ Ͳ͜·Ͱਫ਼៛ʹ (͵͔Γͳ͘) σβΠϯͰ͖Δ͔ɺνϟϨϯδͯ͠Έ·͠ΐ͏ ϑΟϯςοΫ —
ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.67/70
7. ՝ͷग़ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ
(ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.68/70
՝5.ʮαΠόʔϑΟδΧϧʯ ࣗಈӡసंͱϑΟϯςοΫΛΈ߹ΘͤͨΞΠσΞΛ؆ܿʹड़͍ͯͩ͘͞ɻ ʮܾࡁɾૹۚʯ ʮࢿ࢈ӡ༻ʯ ʮ༬ۚɾ༥ࢿʯ ʮࢿۚௐୡʯ ʮอݥʯ ʮࢿຊࢢʯ ͔ΒͻͱͭબΜͰϑΟϯςοΫΛద༻ͯ͠Έ͍ͯͩ͘͞ɻ ఏग़ظݶ
2019 7 ݄ 13 () 17:59 JST ఏग़ํ๏ Course N@vi ͔Β ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா) ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.69/70
·ͨདྷिʂ ϑΟϯςοΫ — ۚ༥ֵ৽ͱΠϯλʔωοτ 2019 Ն ୈ 9-10 ճʮϨοδϟʔ (ா)
ٕज़ͱ৽ͨͳΞϓϦέʔγϣϯج൫ʯ — 2019-07-08 – p.70/70