BnacorProtocol

presented by @r_etx taiki

Transcript

1. $3:1
   (&&, τʔΫϯͷྲྀಈੑͱBancor
2. $3:1
   (&&, @r_etx -*/&
   $MPWB Taiki Kawa ౦ژ޻ۀେֶ෺ཧֶՊଔۀɾम࢜2೥ LINE ClovaͰ6ϲ݄ؒPM ݱࡏෳ਺ͷBlock Chain ελʔτΞοϓͰBlockchainͷ։ൃ ϝσΟΞࣄۀͰ׆ಈ ࠷ۙ͸ɺPlasmͱCosmosͱlocalܦࡁʹڵຯ͕Δɻ CONSENSYS MEDIA Crypto AGE
3. $3:1
   (&&, ౦޻େͰ͸ɺ
4. $3:1
   (&&, िʹҰ౓ɺ౔༵೔ޕલ10࣌ʙɺ৔ॴ͸ौ୩ͳͲ Ethereumؔ࿈ٕज़ɺ҉߸ֶͳͲΛओʹ΍ͬͯ·ͨ͠ ɹ wallet։ൃ(iOS,Android)ɺ෼ࢄγεςϜ + LT ษڧձ
5. $3:1
   (&&, ͳʹΛษڧ͍ͯ͠Δ͔ৄ͘͠஌Γ͍ͨਓ͸ɼMediumΛɻ ·ͨɺFacebookάϧʔϓ “౦޻େϒϩοΫνΣʔϯݚڀձ” ʹͯৄࡉΛ࿈བྷͯ͠·͢
6. $3:1
   (&&, @CrypGeek
7. $3:1
   (&&, @CrypGeek ڵຯ͋Δํ͸୭Ͱ΋welcomeͳͷͰ੠Λ͔͚͍ͯͩ͘͞!
8. $3:1
   (&&, τʔΫϯͷྲྀಈੑͱBancor
9. $3:1
   (&&, Contents ೋॏͷཉٻͷҰகͱ՟ฎ τʔΫϯΤίϊϛʔ Bancorʹ͍ͭͯ Ձܾ֨ఆํఔࣜ ஍Ҭ௨՟(kenya)
10. $3:1
    (&&, Problem τʔΫϯΤίϊϛʔ΍ɺDapps͕࣮༻్Ͱ׆༻͞ΕΔΑ͏ ʹͳΔʹ͸͍͔ͭ͘ͷ՝୊͕͋Δɻ
11. $3:1
    (&&, Problem Scalability Interoperability Liquidity
12. $3:1
    (&&, Scalability(εέʔϥϏϦςΟ) τϥϯβΫγϣϯ͕஗ͯ͘ίετ͕ߴ͍໰୊ Problem
13. $3:1
    (&&, Plasma, Lightningnetwork, Sharding, Casper Problem Scalability(εέʔϥϏϦςΟ) τϥϯβΫγϣϯ͕஗ͯ͘ίετ͕ߴ͍໰୊
14. $3:1
    (&&, Problem Interoperability(ΠϯλʔΦϖϥϏϦςΟ) ҟͳΔνΣʔϯʹ͓͚Δ૬ޓӡ༻ੑ͕ͳ͍໰୊
15. $3:1
    (&&, Problem Cosmos, Polkadot Interoperability(ΠϯλʔΦϖϥϏϦςΟ) ҟͳΔνΣʔϯʹ͓͚Δ૬ޓӡ༻ੑ͕ͳ͍໰୊
16. $3:1
    (&&, Liquidity(ϦΫΠσΟςΟ) ྲྀಈੑ໰୊ Problem
17. $3:1
    (&&, Bancor Liquidity(ϦΫΠσΟςΟ) ྲྀಈੑ໰୊ Problem
18. $3:1
    (&&, ྲྀಈੑͱ͸ ΋ͷ΍ΞηοτͷऔҾͷ͠΍͢͞ɺ׈Β͔͞ɻ ྲྀಈੑ͕ߴ͍ͱങ͍͍ͨͱ͖ʹɺ͙͢ʹങ͑Δɻ ചΓ͍ͨͱ͖ʹɺ͙͢ʹചΕΔɻ Problem
19. $3:1
    (&&, Double co-incidence of wants Bob͕މຑ౾෗Λ͍࣋ͬͯͯɺ͜ΕΛཛͱަ׵͍ͨ͠ɺ ཛΛ͍࣋ͬͯͯމຑ౾෗͕ཉ͍͠ਓΛݟ͚͍ͭͨɻ ަ׵͍ͨ͠
20. $3:1
    (&&, Double co-incidence of wants ఏҊ Bob͕މຑ౾෗Λ͍࣋ͬͯͯɺ͜ΕΛཛͱަ׵͍ͨ͠ɺ ཛΛ͍࣋ͬͯͯމຑ౾෗͕ཉ͍͠ਓΛݟ͚͍ͭͨɻ ೋॏͷཉٻͷҰக(Double co-incidence of wants)͕ඞཁɻ ަ׵͍ͨ͠ ަ׵͍ͨ͠ Ϛονϯά
21. $3:1
    (&&, Double co-incidence of wants ఏҊ ཉ͍͠΋ͷͰͳ͔ͬͨΒஅΔ Bob͕މຑ౾෗Λ͍࣋ͬͯͯɺ͜ΕΛཛͱަ׵͍ͨ͠ɺ ཛΛ͍࣋ͬͯͯމຑ౾෗͕ཉ͍͠ਓΛݟ͚͍ͭͨɻ ೋॏͷཉٻͷҰக(Double co-incidence of wants)͕ඞཁɻ ަ׵͍ͨ͠
22. $3:1
    (&&, Double co-incidence of wants ՟ฎ͸ɺΈͳڞ௨ʹͲͷ࣌఺Ͱ΋Ձ஋Λײ͡Δ΋ͷɻ ୯Ұ՟ฎΛ༻͍Δ͜ͱʹΑͬͯ͜ͷ໰୊ΛղܾͰ͖ͨɻ ఏҊ ঝ୚͢Δ ަ׵͍ͨ͠ ަ׵͍ͨ͠
23. $3:1
    (&&, Double co-incidence of wants τʔΫϯΤίϊϛʔͰ͸༷ʑͳਓ͕༷ʑτʔΫϯΛ͍࣋ͬͯΔɻ ॴ༗ऀ͕গͳ͍ϚΠφʔͳτʔΫϯͰ͸ɺೋॏͷཉٻͷҰக ͕ى͜Γʹ͍͘ɻ
24. $3:1
    (&&, Problem • ചΓͨͯ͘΋ചΕͳ͍ • ങ͍ͨͯ͘΋ങ͑ͳ͍ • ྲྀಈੑ͕௿͘ͳΓՁ஋͕ͲΜͲΜԼ͕ͬͯ͠·͏ • ෆ౰ͳ஋ஈͰऔҾ͕ߦΘΕΔϦεΫੜ͡Δ • ϘϥςΟϦςΟʔΛ૿Ճͤ͞Δ
25. $3:1
    (&&, Solution εϚʔτίϯτϥΫτʹΑͬͯ ަ׵࣌ͷՁ֨Λࣗಈతʹࢉग़͠Ϛονϯάͳ͠ʹ औҾΛՄೳ͢Δɻ Bancor Protocol
26. $3:1
    (&&, Solution(ങ͍͍ͨ৔߹) ങ͍͍ͨਓͱചΓ͍ͨਓͷϚονϯά͕೉͍͠ɻ ४උۚΛ୲อʹ͍ͯͭ͠Ͱ΋εϚʔτίϯτϥΫτʹΑͬͯ τʔΫϯͷަ׵ɺൃߦ͢ΔͰ͖Δ࢓૊ΈΛఏڙ͢Δ /FX ४උۚ #BODPS
27. $3:1
    (&&, Solution(ചΓ͍ͨ৔߹) ४උۚ #BODPS ങ͍͍ͨਓͱചΓ͍ͨਓͷϚονϯά͕೉͍͠ɻ ४උۚΛ୲อʹ͍ͯͭ͠Ͱ΋εϚʔτίϯτϥΫτʹΑͬͯ τʔΫϯͷަ׵ɺൃߦ͢ΔͰ͖Δ࢓૊ΈΛఏڙ͢Δ
28. $3:1
    (&&, Solution #VSO ४උۚ #BODPS ങ͍͍ͨਓͱചΓ͍ͨਓͷϚονϯά͕೉͍͠ɻ ४උۚΛ୲อʹ͍ͯͭ͠Ͱ΋εϚʔτίϯτϥΫτʹΑͬͯ τʔΫϯͷަ׵ɺൃߦ͢ΔͰ͖Δ࢓૊ΈΛఏڙ͢Δ ചങ͢ΔຖʹτʔΫϯͷ૯ൃߦྔ͸૿
29. $3:1
    (&&, Solution /FX #VSO ४උۚ #BODPS ചങ͢ΔຖʹτʔΫϯͷ૯ൃߦྔ͸૿
30. $3:1
    (&&, Solution ചങ͢ΔຖʹτʔΫϯͷ૯ൃߦྔ͸૿ Bancor্Ͱൃߦ͞ΕͨToken ͸ചങຖʹ૯ൃߦྔ͕ ૿ݮ (Issue/Burn) ͯ͠ചΓ͍ͨͱ͖ʹചΕΔ ങ͍͍ͨͱ͖ʹങ͑ΔϓϥοτϗʔϜΛఏڙͯ͘͠ΕΔ
31. $3:1
    (&&, ͔͠͠ɺͨ͘͞Μͷਓ͕Ҿ͖ग़͢ͱ ४උ͕ۚރׇͯ͠͠·͏Մೳੑ͕͋Δͷ Ձ֨ΛՁܾ֨ఆํఔࣜʹैͬͯಈతʹܾఆ͢Δ Solution ४උۚ #BODPS
32. $3:1
    (&&, ͲͷΑ͏ʹՁ֨Λܾఆ͍ͯ͠Δ͔? Ձܾ֨ఆํఔࣜ
33. $3:1
    (&&, Ձܾ֨ఆํఔࣜ Bancor্Ͱൃߦ͞ΕΔτʔΫϯͷ࣌Ձ૯ֹʹରͯ͠ɺ ४උ͕ۚৗʹҰఆͷׂ߹஝͑ΒΕ͍ͯΔΑ͏ʹՁ֨Λܾఆ͢Δɻ τʔΫϯͷ࣌Ձ૯ֹ = τʔΫϯͷՁ֨ × τʔΫϯͷ૯ൃߦྔ 1 4 ४උۚ 3FTFSWF = ݻఆ४උ཰ × τʔΫϯͷ࣌Ձ૯ֹ 14 ' 3
34. $3:1
    (&&, Ձܾ֨ఆํఔࣜ ४උۚ 3FTFSWF = ݻఆ४උ཰ × τʔΫϯͷ࣌Ձ૯ֹ 14 ' 3 R = FPS
35. $3:1
    (&&, Ձܾ֨ఆํఔࣜ R = FPS P = R FS
36. $3:1
    (&&, ४උ͕ۚগͳ͘ͳͬͨΒτʔΫϯΛ ҆͘ൃߦ͠४උۚΛ૿΍ͯ͠΋Β͏ɻ Ձܾ֨ఆํఔࣜ ͍҆ ४උۚ #BODPS R = FPS P = R FS
37. $3:1
    (&&, Ձܾ֨ఆํఔࣜ R = FPS P = R FS ࣮ࡍʹPΛٻΊͯΈΑ͏ɻ Reserve͸ɺτʔΫϯͷՁ֨P͕ܾ·Βͳ͍ͱ ΋ͱ·Βͳ͍ɻղ͚ͳ͍ɺɺ ͳͷͰɺՁ֨P͕มԽ͠ͳ͍ఔ౓ͪΐͼͬͱ͚ͩτʔΫϯΛ ൃߦͨ͠ͱ͖ͷ४උۚͷมԽ཰ʹ͍ͭͯߟ͑Δɻ dR = PdS
38. $3:1
    (&&, 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)
39. $3:1
    (&&, Ձܾ֨ఆํఔࣜ dR = PdS dR = Fd(PS) = F(dP)S + FP(dS) 2͔ࣜΒɺ͋ΔτʔΫϯͷ૯ൃߦྔSͷͱ͖ͷ ͦͷτʔΫϯͷՁ֨P͕ٻ·Δ
40. $3:1
    (&&, Ձܾ֨ఆํఔࣜ 2͔ࣜΒɺ͋ΔτʔΫϯͷ૯ൃߦྔSͷͱ͖ͷ ͦͷτʔΫϯͷՁ֨P͕ٻ·Δ P = ( S S0 )1 − F F
41. $3:1
    (&&, ͜ΕҎ্΍Δͱ௕͘ͳΔͷͰɺଓ͖͸ɺwebͰ IUUQTRJJUBDPNUSJOHJUFNTGFFBBBEC
42. $3:1
    (&&, ·ͱΊ • Bancor্Ͱൃߦ͞ΕͨToken ͷՁ֨͸εϚʔτίϯτϥΫτ ʹΑͬͯಈతʹมಈ͢Δ • Bancor্Ͱൃߦ͞ΕͨToken ͸ചങຖʹ૯ൃߦྔ͕૿ݮ (Issue/Burn) ͢Δ • Bancor্Ͱൃߦ͞Ε͍ͯͳ͍TokenͰ΋ಉ͡࢓૊Έ͕࢖͑Δ • औҾ૬ख͕͍ͳ͍ͷͰɺεϓϨοτ͕ͳ͍ɻ • ϦεΫ͕গͳ͍ɻ(εϚʔττʔΫϯؒͷม׵ʹ͸ɺσϙ δοτͷೖ͕ۚෆཁ)
43. $3:1
    (&&, Bancor & Kenya έχΞ
44. $3:1
    (&&, Bancor & Kenya έχΞͰ͸ɺBancorΛ༻͍ͯ஍Ҭ௨՟͕ൃߦ͞Ε͍ͯ ͯɺೋͭͷ஍ҬͰϓϩδΣΫτ͕ߦΘΕ͍ͯΔɻ ྲྀಈੑͷߴ͍Ծ૝௨՟Λར༻͢Δ͜ͱͰɺ஍Ҭ಺Ͱͷ ফඅ͕૿͑஍Ҭ׆ੑʹͭͳ͕Δ
45. $3:1
    (&&, @r_etx Taiki Kawa ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ ࣭໰͸ɺtwitterͰ΋ड͚͚ͭͯ·͢!
46. $3:1
    (&&, 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)_