BancorProtocol

Transcript

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   (&&, τʔΫϯͷྲྀಈੑͱBancor
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   (&&, @r_etx -*/&
   $MPWB Taiki Kawa ౦ژ޻ۀେֶ෺ཧֶՊଔۀɾम࢜2೥ LINE ClovaͰ6ϲ݄ؒPM ݱࡏෳ਺ͷBlock Chain ελʔτΞοϓͰBlockchainͷ։ൃ ϝσΟΞࣄۀͰ׆ಈ ࠷ۙ͸ɺPlasmͱCosmosͱlocalܦࡁʹڵຯ͕Δɻ CONSENSYS MEDIA Crypto AGE
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   (&&, ౦޻େͰ͸ɺ
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   (&&, िʹҰ౓ɺ౔༵೔ޕલ10࣌ʙɺ৔ॴ͸ौ୩ͳͲ Ethereumؔ࿈ٕज़ɺ҉߸ֶͳͲΛओʹ΍ͬͯ·ͨ͠ ɹ wallet։ൃ(iOS,Android)ɺ෼ࢄγεςϜ + LT ษڧձ
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   (&&, ͳʹΛษڧ͍ͯ͠Δ͔ৄ͘͠஌Γ͍ͨਓ͸ɼMediumΛɻ ·ͨɺFacebookάϧʔϓ “౦޻େϒϩοΫνΣʔϯݚڀձ” ʹͯৄࡉΛ࿈བྷͯ͠·͢
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   (&&, @CrypGeek
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   (&&, @CrypGeek ڵຯ͋Δํ͸୭Ͱ΋welcomeͳͷͰ੠Λ͔͚͍ͯͩ͘͞!
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   (&&, τʔΫϯͷྲྀಈੑͱBancor
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   (&&, Contents ೋॏͷཉٻͷҰகͱ՟ฎ τʔΫϯΤίϊϛʔ Bancorʹ͍ͭͯ Ձܾ֨ఆํఔࣜ ஍Ҭ௨՟(kenya)
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    (&&, Problem τʔΫϯΤίϊϛʔ΍ɺDapps͕࣮༻్Ͱ׆༻͞ΕΔΑ͏ ʹͳΔʹ͸͍͔ͭ͘ͷ՝୊͕͋Δɻ
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    (&&, Problem Scalability Interoperability Liquidity
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    (&&, Scalability(εέʔϥϏϦςΟ) τϥϯβΫγϣϯ͕஗ͯ͘ίετ͕ߴ͍໰୊ Problem
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    (&&, Plasma, Lightningnetwork, Sharding, Casper Problem Scalability(εέʔϥϏϦςΟ) τϥϯβΫγϣϯ͕஗ͯ͘ίετ͕ߴ͍໰୊
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    (&&, Problem Interoperability(ΠϯλʔΦϖϥϏϦςΟ) ҟͳΔνΣʔϯʹ͓͚Δ૬ޓӡ༻ੑ͕ͳ͍໰୊
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    (&&, Problem Cosmos, Polkadot Interoperability(ΠϯλʔΦϖϥϏϦςΟ) ҟͳΔνΣʔϯʹ͓͚Δ૬ޓӡ༻ੑ͕ͳ͍໰୊
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    (&&, Liquidity(ϦΫΠσΟςΟ) ྲྀಈੑ໰୊ Problem
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    (&&, Bancor Liquidity(ϦΫΠσΟςΟ) ྲྀಈੑ໰୊ Problem
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    (&&, ྲྀಈੑͱ͸ ΋ͷ΍ΞηοτͷऔҾͷ͠΍͢͞ɺ׈Β͔͞ɻ ྲྀಈੑ͕ߴ͍ͱങ͍͍ͨͱ͖ʹɺ͙͢ʹങ͑Δɻ ചΓ͍ͨͱ͖ʹɺ͙͢ʹചΕΔɻ Problem
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    (&&, Double co-incidence of wants Bob͕މຑ౾෗Λ͍࣋ͬͯͯɺ͜ΕΛཛͱަ׵͍ͨ͠ɺ ཛΛ͍࣋ͬͯͯމຑ౾෗͕ཉ͍͠ਓΛݟ͚͍ͭͨɻ ަ׵͍ͨ͠
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    (&&, Double co-incidence of wants ఏҊ Bob͕މຑ౾෗Λ͍࣋ͬͯͯɺ͜ΕΛཛͱަ׵͍ͨ͠ɺ ཛΛ͍࣋ͬͯͯމຑ౾෗͕ཉ͍͠ਓΛݟ͚͍ͭͨɻ ೋॏͷཉٻͷҰக(Double co-incidence of wants)͕ඞཁɻ ަ׵͍ͨ͠ ަ׵͍ͨ͠ Ϛονϯά
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    (&&, Double co-incidence of wants ఏҊ ཉ͍͠΋ͷͰͳ͔ͬͨΒஅΔ Bob͕މຑ౾෗Λ͍࣋ͬͯͯɺ͜ΕΛཛͱަ׵͍ͨ͠ɺ ཛΛ͍࣋ͬͯͯމຑ౾෗͕ཉ͍͠ਓΛݟ͚͍ͭͨɻ ೋॏͷཉٻͷҰக(Double co-incidence of wants)͕ඞཁɻ ަ׵͍ͨ͠
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    (&&, Double co-incidence of wants ՟ฎ͸ɺΈͳڞ௨ʹͲͷ࣌఺Ͱ΋Ձ஋Λײ͡Δ΋ͷɻ ୯Ұ՟ฎΛ༻͍Δ͜ͱʹΑͬͯ͜ͷ໰୊ΛղܾͰ͖ͨɻ ఏҊ ঝ୚͢Δ ަ׵͍ͨ͠ ަ׵͍ͨ͠
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    (&&, Double co-incidence of wants τʔΫϯΤίϊϛʔͰ͸༷ʑͳਓ͕༷ʑτʔΫϯΛ͍࣋ͬͯΔɻ ॴ༗ऀ͕গͳ͍ϚΠφʔͳτʔΫϯͰ͸ɺೋॏͷཉٻͷҰக ͕ى͜Γʹ͍͘ɻ
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    (&&, Problem • ചΓͨͯ͘΋ചΕͳ͍ • ങ͍ͨͯ͘΋ങ͑ͳ͍ • ྲྀಈੑ͕௿͘ͳΓՁ஋͕ͲΜͲΜԼ͕ͬͯ͠·͏ • ෆ౰ͳ஋ஈͰऔҾ͕ߦΘΕΔϦεΫੜ͡Δ • ϘϥςΟϦςΟʔΛ૿Ճͤ͞Δ
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    (&&, Solution εϚʔτίϯτϥΫτʹΑͬͯ ަ׵࣌ͷՁ֨Λࣗಈతʹࢉग़͠Ϛονϯάͳ͠ʹ औҾΛՄೳ͢Δɻ Bancor Protocol
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    (&&, Solution(ങ͍͍ͨ৔߹) ങ͍͍ͨਓͱചΓ͍ͨਓͷϚονϯά͕೉͍͠ɻ ४උۚΛ୲อʹ͍ͯͭ͠Ͱ΋εϚʔτίϯτϥΫτʹΑͬͯ τʔΫϯͷަ׵ɺൃߦ͢ΔͰ͖Δ࢓૊ΈΛఏڙ͢Δ /FX ४උۚ #BODPS
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    (&&, Solution(ചΓ͍ͨ৔߹) ४උۚ #BODPS ങ͍͍ͨਓͱചΓ͍ͨਓͷϚονϯά͕೉͍͠ɻ ४උۚΛ୲อʹ͍ͯͭ͠Ͱ΋εϚʔτίϯτϥΫτʹΑͬͯ τʔΫϯͷަ׵ɺൃߦ͢ΔͰ͖Δ࢓૊ΈΛఏڙ͢Δ
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    (&&, Solution #VSO ४උۚ #BODPS ങ͍͍ͨਓͱചΓ͍ͨਓͷϚονϯά͕೉͍͠ɻ ४උۚΛ୲อʹ͍ͯͭ͠Ͱ΋εϚʔτίϯτϥΫτʹΑͬͯ τʔΫϯͷަ׵ɺൃߦ͢ΔͰ͖Δ࢓૊ΈΛఏڙ͢Δ ചങ͢ΔຖʹτʔΫϯͷ૯ൃߦྔ͸૿
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    (&&, Solution /FX #VSO ४උۚ #BODPS ചങ͢ΔຖʹτʔΫϯͷ૯ൃߦྔ͸૿
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    (&&, Solution ചങ͢ΔຖʹτʔΫϯͷ૯ൃߦྔ͸૿ Bancor্Ͱൃߦ͞ΕͨToken ͸ചങຖʹ૯ൃߦྔ͕ ૿ݮ (Issue/Burn) ͯ͠ചΓ͍ͨͱ͖ʹചΕΔ ങ͍͍ͨͱ͖ʹങ͑ΔϓϥοτϗʔϜΛఏڙͯ͘͠ΕΔ
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    (&&, ͔͠͠ɺͨ͘͞Μͷਓ͕Ҿ͖ग़͢ͱ ४උ͕ۚރׇͯ͠͠·͏Մೳੑ͕͋Δͷ Ձ֨ΛՁܾ֨ఆํఔࣜʹैͬͯಈతʹܾఆ͢Δ Solution ४උۚ #BODPS
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    (&&, ͲͷΑ͏ʹՁ֨Λܾఆ͍ͯ͠Δ͔? Ձܾ֨ఆํఔࣜ
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    (&&, Ձܾ֨ఆํఔࣜ Bancor্Ͱൃߦ͞ΕΔτʔΫϯͷ࣌Ձ૯ֹʹରͯ͠ɺ ४උ͕ۚৗʹҰఆͷׂ߹஝͑ΒΕ͍ͯΔΑ͏ʹՁ֨Λܾఆ͢Δɻ τʔΫϯͷ࣌Ձ૯ֹ = τʔΫϯͷՁ֨ × τʔΫϯͷ૯ൃߦྔ 1 4 ४උۚ 3FTFSWF = ݻఆ४උ཰ × τʔΫϯͷ࣌Ձ૯ֹ 14 ' 3
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    (&&, Ձܾ֨ఆํఔࣜ ४උۚ 3FTFSWF = ݻఆ४උ཰ × τʔΫϯͷ࣌Ձ૯ֹ 14 ' 3 R = FPS
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    (&&, Ձܾ֨ఆํఔࣜ R = FPS P = R FS
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    (&&, ४උ͕ۚগͳ͘ͳͬͨΒτʔΫϯΛ ҆͘ൃߦ͠४උۚΛ૿΍ͯ͠΋Β͏ɻ Ձܾ֨ఆํఔࣜ ͍҆ ४උۚ #BODPS R = FPS P = R FS
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    (&&, Ձܾ֨ఆํఔࣜ R = FPS P = R FS ࣮ࡍʹPΛٻΊͯΈΑ͏ɻ Reserve͸ɺτʔΫϯͷՁ֨P͕ܾ·Βͳ͍ͱ ΋ͱ·Βͳ͍ɻղ͚ͳ͍ɺɺ ͳͷͰɺՁ֨P͕มԽ͠ͳ͍ఔ౓ͪΐͼͬͱ͚ͩτʔΫϯΛ ൃߦͨ͠ͱ͖ͷ४උۚͷมԽ཰ʹ͍ͭͯߟ͑Δɻ dR = PdS
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    (&&, Ձܾ֨ఆํఔࣜ R = FPS P = R FS ࣮ࡍʹPΛٻΊͯΈΑ͏ɻ Reserve͸ɺτʔΫϯͷՁ֨P͕ܾ·Βͳ͍ͱ ΋ͱ·Βͳ͍ɻղ͚ͳ͍ɺɺ ͳͷͰɺՁ֨P͕มԽ͠ͳ͍ఔ౓ͪΐͼͬͱ͚ͩτʔΫϯΛ ൃߦͨ͠ͱ͖ͷ४උۚͷมԽ཰ʹ͍ͭͯߟ͑Δɻ dR = PdS dR = Fd(PS) = F(dP)S + FP(dS)
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    (&&, Ձܾ֨ఆํఔࣜ dR = PdS dR = Fd(PS) = F(dP)S + FP(dS) 2͔ࣜΒɺ͋ΔτʔΫϯͷ૯ൃߦྔSͷͱ͖ͷ ͦͷτʔΫϯͷՁ֨P͕ٻ·Δ
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    (&&, Ձܾ֨ఆํఔࣜ 2͔ࣜΒɺ͋ΔτʔΫϯͷ૯ൃߦྔSͷͱ͖ͷ ͦͷτʔΫϯͷՁ֨P͕ٻ·Δ P = ( S S0 )1 − F F
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    (&&, ͜ΕҎ্΍Δͱ௕͘ͳΔͷͰɺଓ͖͸ɺwebͰ IUUQTRJJUBDPNUSJOHJUFNTGFFBBBEC
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    (&&, ·ͱΊ • Bancor্Ͱൃߦ͞ΕͨToken ͷՁ֨͸εϚʔτίϯτϥΫτ ʹΑͬͯಈతʹมಈ͢Δ • Bancor্Ͱൃߦ͞ΕͨToken ͸ചങຖʹ૯ൃߦྔ͕૿ݮ (Issue/Burn) ͢Δ • Bancor্Ͱൃߦ͞Ε͍ͯͳ͍TokenͰ΋ಉ͡࢓૊Έ͕࢖͑Δ • औҾ૬ख͕͍ͳ͍ͷͰɺεϓϨοτ͕ͳ͍ɻ • ϦεΫ͕গͳ͍ɻ(εϚʔττʔΫϯؒͷม׵ʹ͸ɺσϙ δοτͷೖ͕ۚෆཁ)
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    (&&, Bancor & Kenya έχΞ
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    (&&, Bancor & Kenya έχΞͰ͸ɺBancorΛ༻͍ͯ஍Ҭ௨՟͕ൃߦ͞Ε͍ͯ ͯɺೋͭͷ஍ҬͰϓϩδΣΫτ͕ߦΘΕ͍ͯΔɻ ྲྀಈੑͷߴ͍Ծ૝௨՟Λར༻͢Δ͜ͱͰɺ஍Ҭ಺Ͱͷ ফඅ͕૿͑஍Ҭ׆ੑʹͭͳ͕Δ
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    (&&, @r_etx Taiki Kawa ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ ࣭໰͸ɺtwitterͰ΋ड͚͚ͭͯ·͢!
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    (&&, Reference • https://qiita.com/tring/items/7f0586ee90a2a806ad6b • https://www.bancor.network/ • https://storage.googleapis.com/website-bancor/2018/04/ 01ba8253-bancor_protocol_whitepaper_en.pdf • Bancor ϓϩτίϧ:Smart Tokenͷֵ৽ੑͱ͸ɻʮCoincidence of WantsͷղܾʯͱͦΕ͕΋ͨΒ͢ʮऔҾͷ࠶ൃ໌ʯ • Bancor Protocol ͸τʔΫϯΤίϊϛʔΛࢧ͑Δେൃ໌ͱͳΔ ͔ʁʢલޙฤ)_