Hyperledger Plasma - Speaker Deck

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Hyperledger Plasma Cryptoeconomics Lab Co-founder Shogo Sean Ochiai HyperledgerͷεέʔϦϯάιϦϡʔγϣϯͷఏҊ

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ओͳϝοηʔδ EthereumͷεέʔϦϯάٕज़Λ Hyperledgerʹద༻Ͱ͖·͢

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Indices 2. ϓϩμΫτ঺հ 5. ݁࿦ 1. ࣗࣾ঺հ 3. ΞʔΩςΫνϟ 4. ΠϯϓϦέʔγϣϯ

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1. ࣗࣾ঺հ EthereumίϛϡχςΟͱͷาΈ

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EthereumΛεέʔϧͤ͞Δٕज़ͱͯ͠ੜ·Ε·ͨ͠

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ଟ͘ͷΧϯϑΝϨϯεͱҊ݅Ͱࢼ͞Ε͖ͯ·ͨ͠

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औҾॴΞϓϦͷσϞ

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ੈքͷLayer2ݚڀऀʹධՁ͞Ε͍ͯ·͢ Our CTO

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2. ϓϩμΫτ঺հ ߴTPS, ߴ଎ϑΝΠφϦςΟ, εςʔϒϧίΠϯ

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਺ଟ͘Layer2ٕज़͸͋Γ·͕͢ ϓϩτίϧͷ҆શੑΛอূ͢Δ͜ͱΛ ୈҰʹ࡞ͬͨ͜ͱ͕ࠩผԽཁҼͰ͢

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ͳͥηΩϡϦςΟॏࢹʁ ͓͕ۚ͋Δͱ͜ΖΛ ϋοΧʔ͸ૂ͏

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Hyperledgerʹͭͳ͍Ͱ͍Δͷʹ Layer2Ͱmining΍stakingΛͯ͠͸ HyperledgerΛબͿझࢫʹ൓͢Δ

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Plasmaͷಛੑ 1. Ϗβϯνϯ଱ੑ = L1ʹ४ͣΔ 2. TPSʹݪཧ্AlipayϨϕϧ(65ສ) 3. ΨεʹཁΒͳ͍ 4. ϑΝΠφϦςΟʹ200msʙ༻్Մม 5. L1 agnostic = Hyperledger, Tezos, Polkadot, Ethereum

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3. ΞʔΩςΫνϟ

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Hyperledger Chaincode = {Golang, Java, NodeJS} + CouchDB Hyperledger Burrow + Fab3 = EVM on Chaincode (EVMCC) Hyperledgerͷߏ੒ A. B.

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Hyperledger Chaincode = {Golang, Java, NodeJS} + CouchDB Hyperledger Burrow + Fab3 = EVM on Chaincode (EVMCC) Hyperledgerͷߏ੒ A. B. Solidityࢿ࢈͕స༻Մʹ

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Fab3 RPC Burrow EVM Fabric Chaincode Web3 SDK Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ཁ؅ཧऀ ཁ؅ཧऀ γεςϜ ΞʔΩςΫνϟ

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Fab3 RPC Burrow EVM Fabric Chaincode Web3 SDK Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ཁ؅ཧऀ ཁ؅ཧऀ γεςϜ ΞʔΩςΫνϟ Plasma(L2 Scaling Solution)ͷ ΠϯςάϨʔγϣϯ ͕Մೳʹ

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Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ৼΔ෣͍ͷଆ໘͔Β Deposit/Exit/Challenge Tx Commit/Challenge

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Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ৼΔ෣͍ͷଆ໘͔Β Deposit/Exit/Challenge Tx Commit/Challenge ࢠνΣʔϯʹϏβϯνϯނো͕͋ͬͨͱ͖͚ͩ L1ͷTxΛ࢖༻͢Ε͹ྑ͍ߏ੒ =ෳࡶͳܖ໿ϩδοΫϨΠϠͱྲྀ௨ϨΠϠͷ෼཭

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Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 TPSͷଆ໘͔Β 300-500 tps 650k tps 300-500 tps

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Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 TPSͷଆ໘͔Β 300-500 tps 650k tps 300-500 tps ௨ৗͷϖΠϝϯταʔόʔͱḮ৭ͳ͍ੑೳ

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Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ΠϯλϥΫγϣϯͷଆ໘͔Β Good Finality / Medium Throuput Good Finality / Medium Throuput Good Finality / High Throuput

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Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ΠϯλϥΫγϣϯͷଆ໘͔Β Good Finality / Medium Throuput Good Finality / Medium Throuput Good Finality / High Throuput Ϣʔβʔମݧ FabricΛબ୒͢Δҙٛ Social Acceptability ͋ΒΏΔࣾձཁ੥Λཱ྆Ͱ͖Δઃܭ

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Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ๏຿ͷଆ໘͔Β: ࡋ൑ॴ͔Βͷࡒ࢈ࠩ͠ԡ໋͑͞ྩͷγφϦΦ ΦϖϨʔλʔ: Ұ෦TxͷϩʔϧόοΫ/मਖ਼ L1ϊʔυ܈: ৽نHash஋ͷL1ద༻

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Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ๏຿ͷଆ໘͔Β: ࡋ൑ॴ͔Βͷࡒ࢈ࠩ͠ԡ໋͑͞ྩͷγφϦΦ ΦϖϨʔλʔ: Ұ෦TxͷϩʔϧόοΫ/मਖ਼ L1ϊʔυ܈: ৽نHash஋ͷL1ద༻ εϚʔτίϯτϥΫτͰࣾձతϑϦΫγϣϯΛݮΒͭͭ͠ ๏ྩ΍ن੍ʹॱकͨ͠ॊೈͳӡ༻͕Մೳ

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4. ΠϯϓϦέʔγϣϯ ༻్ɺࣄྫɺಛੑʹ͍ͭͯ

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Case 1: BRP(όϥϯεɾϨεϙϯγϏϦςΟɾύʔςΟʔ) ిྗձࣾ

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ૹൃిاۀͰ͸ͳ͘ࢢ৔ݪཧͰधڅόϥϯεௐ੔Λௐ੔

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Case 2: ϓϥΠόγʔΛߟྀͨ͠Ґஔσʔλ TEE ϩά

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ϩάΛτϦΨʔʹΤεΫϩʔ౳ͷܖ໿ࣥߦ ηϯγςΟϒσʔλͷӾཡݖΛNFT؅ཧ

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Case3: ΑΓߴ଎ͳNFTήʔϜ ήʔϜ

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͜Ε·ͰͷΠϯλʔωοτͱಉ͡Α͏ʹ TPSͷ੍໿ͳ͘ ΞηοτΛѻ͏͓΋͠Ζ͍ήʔϜΛ

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Case4: ϝΨϕϯνϟʔͷۜߦԽ ϝΨϕϯۜߦ

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ۜߦΛ50ԯͰ࡞ͬͯ೥10ԯͰҡ࣋Ͱ͖ͨΒ͍҆΄͏ εςʔϒϧίΠϯͷൃߦΛL1Ͱɺྲྀ௨΍ަ׵ΛL2Ͱ

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ۜߦ͕औҾॴ·Ͱ๊͑Δ͜ͱͷͰ͖Δٕज़త҆શੑ

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Case5: ෆಈ࢈NFT ෆಈ࢈

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ϓϩάϥϚϒϧॴ༗ݖͰ࣌ؒି͠ͷ࠶ఆٛ 3DϓϦϯλͰෳ੡͞ΕΔ෺ཧ伴ΑΓηΩϡΞ