仮想通貨OSSを使った リアル通貨送金の実現

@Enterprise APIs Hack-Night #4 2016.4.21
http://eahn.connpass.com/event/29170/

1. Ծ૝௨՟OSSΛ࢖ͬͨ ϦΞϧ௨՟ૹۚͷ࣮ݱ Junichi Okamura @Enterprise APIs Hack-Night #4 2016.4.21
2. Who am I? • Junichi Okamura @benzookapi • API Lover/Midnight Creator/TDD (Talk Driven Development) Advocator • Rock/Wine/DQ/JOJO/I18N/Marketing/Payment • Scala/Java/Ruby/Python/Node.js/PHP/Mobile/Unity/../ppt
3. ͍ͭ΋ͷਖ਼૷
4. Today’s Topic Ծ૝௨՟OSS
5. Ծ૝௨՟ͱ͸ʁ ๏ఆ௨՟ʹରͯ͠ಛఆͷࠃՈʹΑΔՁ஋ͷอূΛ࣋ͨͳ͍௨՟ ʢBy Wikipedia ઌੜʣ
6. ๏ఆ௨՟ͱ͸ʁ ੫ۚ΍௞ۚͳͲΛؚΉۚમ࠴຿ͷڧ੍తͳหࡁखஈͱͯ͠ɺڧ੍௨༻ ྗ͕๏తʹೝΊΒΕ͍ͯΔ௨՟ͷ͜ͱɻͭ·Γɺ๏ఆ௨՟ʹΑΔ࠴຿ หࡁΛڋ൱͢Δ͜ͱ͸Ұൠʹ͸Ͱ͖ͳ͍ɻݱࡏͷ೔ຊͰ͸ɺ೔ຊۜߦ ͕ൃߦ͢Δ೔ຊۜߦ݊ɺ͓Αͼ଄ฎہ͕੡଄͠੓෎͕ൃߦ͢Δ՟ฎʢߗ ՟ʣͷΈ͕๏ఆ௨՟Ͱ͋Δɻ ʢBy Wikipedia ઌੜʣ
7. ͭ·Γ Ծ૝௨՟ͱ͸ࠃՈʹن੍͞Εͳ͍௨՟Ͱ͋Δ
8. Ծ૝௨՟ͷྫ BitCoin ʢBitcoinϒϩοΫνΣʔϯ PoWʣ counterparts ʢBitcoinϒϩοΫνΣʔϯ PoWʣ Omni ʢBitcoinϒϩοΫνΣʔϯ PoWʣ SideChains ʢBitcoinϒϩοΫνΣʔϯʴ PoW/PoSʣ EthereumʢಠࣗϒϩοΫνΣʔϯɹPoW/PoSʣ BitSharesʢಠࣗϒϩοΫνΣʔϯ DPoSʣ RippleʢಠࣗϒϩοΫνΣʔϯʴ ɹRipple Consensus ʣ StellarʢಠࣗϒϩοΫνΣʔϯʴ SCPʣ Group1: Group2: Group3: ※BitCoinҎ֎͸૯শͯ͠BitCoin2.0Έ͍ͨʹݺ͹Ε·͢ ͍͍ͩͨ200͙Β͍͋ΔͱݴΘΕ·͢
9. Group෼͚ͷج४ ϒϩοΫνΣʔϯʹݩாʢLedgerʣ ɹBitCoin͕͢Ͱʹ࣋ͬͯΔ΋ͷ ɹBitCoinͷ΋ͷʹԣʹͭͳ͛Δ΋ͷ ɹBitCoinͱ͸ผʹ࡞Δ΋ͷ औҾͷঝೝ ɹBitCoinͷPoWʢProof Of Workʣʹಇ͘΋ͷ͕͑Β͍ʢ஗͍͚Ͳฏ౳ʣ ɹͦͷଞͷPoSʢProof Of Stateʣʹ࣋ͬͯΔ΋ͷ͕͑Β͍ʢૣ͍͚Ͳෆฏ౳ʣ
10. Group1:BitCoinͷதʢ্ʣ BitCoinͷݩாʢLedgerʣ্ʹ৐͔͍ͬͬͯΔ΋ͷ BitCoinʹػೳΛ௥Ճ͍ͯ͠Δ͜ͱ͕ଟ͍ʢಠࣗ௨՟ൃߦͳͲʣ BitCoinͷಛੑΛҾ͖ܧ͙ʢPoWͷ஗͞ͳͲʣੈͷԾ૝௨՟͸΄΅͜Ε
11. Group2:BitCoinͷ֎ BitCoinͷݩாʢLedgerʣͷ֎ʹ৽ͨʹࣅͨΑ͏ͳ΋ͷΛ࡞Δ ௨՟Ҏ֎ͷػೳΛࢹ໺ʹೖΕ͍ͯΔ͜ͱ͕ଟ͍ʢεϚʔτίϯτϥΫ τͳͲʣ BitCoinͷجຊతͳಛੑ͸Ҿ͖ܧ͙͕ঝೝํ๏Λม͑ͨΓɺBitCoinͱԣ ʹͭͳ͛ΔͳͲͯ͠େ෯ͳվળΛࢼΈΔʢSideChainͳͲʣ
12. Group3:୤BitCoin BitCoinͷϒϩοΫνΣʔϯͱ͸ผͷίϯηϓτ ޿͛͗ͨ͢෩࿊ෑΛૹۚͷརศੑͱ͍͏ݱ࣮՝୊ʹϑΥʔΧε͠௚͠ ͍ͯΔ BitCoinͷಛੑ͸Ҿ͖ܧ͕ͳ͍ɺϒϩοΫνΣʔϯ͕ܝ͛ͨDecentrized Λ͋Δఔ౓ۂ͛ͯͰ΋࣮༻ੑΛ໨ࢦ͢ʢ৽͍͠Consensusʣ
13. ຊ೔औΓ্͍͛ͨͷ͸ Group3: Ripple Stellar
15. Rippleͱ͸ʁ Ripple Inc. ʹΑͬͯ։ൃ͕ߦΘΕ͍ͯΔ෼ࢄܕ୆ாٕज़Λར༻ͨ͠ଈ࣌άϩεܾࡁγε ςϜɺ ֎ࠃҝସɾૹۚωοτϫʔΫ ίϯηϯαεɾϨδϟʔͱXRPͱݺ͹ΕΔωΠςΟϒ௨՟Λ༻͍ΔΦʔϓϯιʔεͷΠ ϯλʔωοτɾϓϩτίϧ͸ɺϦοϓϧɾτϥϯβΫγϣϯɾϓϩτίϧʢRTXPʣ· ͨ͸Ϧοϓϧɾϓϩτίϧͱݺ͹ΕΔ ʢBy Wikipediaɹઌੜʣ
16. Ripple developer site https://ripple.com/build/
17. ۜߦ->Ripple·Ͱͷมભ By Ripple Inc. ๏ఆ௨՟ͱ಺෦௨՟ͷऔҾʹFXࣗମΛ ಺แ͍ͯ͠Δͷ͕BitCoinͱେ͖͘ҧ͏
18. Rippleͷಛ௃ ۜߦۀ຿ޮ཰ԽͳͲͷtoB޲͚ Google͕ग़ࢿ ݩʑOSSϓϩδΣΫτ͕ͩͬͨݱࡏ͸Ұ෦Λআ͖ඇެ։ ܾࡁϓϥοτϑΥʔϜͱͯ͠औҾۀऀʢϚʔέοτϝΠΧʔʣΛࣗ਎ͷ ωοτϫʔΫʹࡌͤΔํ޲ʹϏδωεγϑτʢPayPalҙࣝʣ RippleʹΑΔதԝूݖ৭͕ʢগ͠ʣڧ·͍ͬͯΔ
19. ͦ͜ͰRippleͷ૑࢝ऀ͸ ΋ͬͱΦʔϓϯͰࢢຽతͳૹۚωοτϫʔΫΛ࡞Γ͍ͨʂ
21. Stellarͱ͸ʁ Rippleͷ૑࢝ऀʢͪͳΈʹMt.Goxͷ૑࢝ऀʣ͕࢝ΊͨRippleͷforkϓ ϩδΣΫτʢNPOʣ ػೳతʹ͸ࣅ͍ͯΔ͕ɺݸਓؒૹۚͳͲͷtoCʹϑΥʔΧε SCPʢStellar Consensus Protocolʣͱ͍͏ಠࣗίϯηϯαε ׬શOSSͰୈࡾऀ͕ಠࣗωοτϫʔΫߏஙՄೳ
22. Stellar developer site https://www.stellar.org/developers/
23. Stellarͷߏ੒ https://www.stellar.org/developers/learn/
24. Stellarͷίϯϙʔωϯτ Core: StellarͷԾ૝௨՟ʢLumenʣͷωοτϫʔΫɻCoreಉ͕࢜෼ࢄ୆ா ͱͯ͠ଘࡏ͠ɺCoreͷͭͳ͕Γ͕StellarͷωοτϫʔΫʢϒϩοΫνΣʔ ϯʣͱͳΔɻෳ਺ͷWallet͕CoreΛڞ༗ʢBitCoinΑΓޮ཰తʣ HorizonɿCorerͱWalletɺGatewayʢऔҾॴʣΛͭͳ͙APIϑϩϯτΤϯυ SDKɿWalletͳͲͷΫϥΠΞϯτ࣮૷ͷͨΊͷϥΠϒϥϦɻAPIͰ୅ସՄೳ
25. StellarͷAPI https://www.stellar.org/developers/horizon/reference ៉ྷͳRESTful APIͰ͢
26. ·ͣ͸… ςετωοτϫʔΫ͕͋ΔͷͰ৮ͬͯΈΔ͜ͱΛ͓קΊ͠·͢ʂ https://www.stellar.org/developers/learn/get-started/test-net.html
27. ໘ന͍ػೳɿFind Payment Paths Ripple͔ΒҾ͖ܧ͍Ͱ͍Δػೳ ૹۚʢFXʣ͍ͨ͠௨՟ʹ࠷దͳPathʢGatewayʣΛ൑ఆ͠ɺ ૹۚίετΛ҆͘͢Δ
28. ঝೝϓϩτίϧɿSCP https://www.stellar.org/papers/stellar-consensus-protocol.pdf
29. RippleɺStellar͕ղܾ͢Δ͜ͱ ίετ͕͔͔͍ͬͯΔૹۚɺ ಛʹࠃࡍૹۚΛϩʔίετͰॠ࣌ʹߦ͏͜ͱ
30. ͜͏͍͏ͷ͕
31. ͜͏ͳΔ
32. Stellar͸࣍ੈ୅Λ୲͏OSS ࠓContribute͢Ε͹ώʔϩʔʹͳΕΔ͔΋ʁ https://www.stellar.org/community/
33. ·ͱΊ Disrupt͸࢝·͍ͬͯΔʂ ڊਓͰ͋ͬͯ΋଍ݩ͘͢ΘΕΔͧʂ ͦ͜ͷ܅ʹ΋νϟϯε͸͋Δʂ
34. Thank You Junichi Okamura @Enterprise APIs Hack-Night #4 2016.4.21