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sgtn
December 19, 2019
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Hyperledger Plasma
sgtn
December 19, 2019
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Transcript
Hyperledger Plasma Cryptoeconomics Lab Co-founder Shogo Sean Ochiai HyperledgerͷεέʔϦϯάιϦϡʔγϣϯͷఏҊ
ओͳϝοηʔδ EthereumͷεέʔϦϯάٕज़Λ Hyperledgerʹద༻Ͱ͖·͢
Indices 2. ϓϩμΫτհ 5. ݁ 1. ࣗࣾհ 3. ΞʔΩςΫνϟ 4.
ΠϯϓϦέʔγϣϯ
1. ࣗࣾհ EthereumίϛϡχςΟͱͷาΈ
EthereumΛεέʔϧͤ͞Δٕज़ͱͯ͠ੜ·Ε·ͨ͠
ଟ͘ͷΧϯϑΝϨϯεͱҊ݅Ͱࢼ͞Ε͖ͯ·ͨ͠
औҾॴΞϓϦͷσϞ
ੈքͷLayer2ݚڀऀʹධՁ͞Ε͍ͯ·͢ Our CTO
2. ϓϩμΫτհ ߴTPS, ߴϑΝΠφϦςΟ, εςʔϒϧίΠϯ
ଟ͘Layer2ٕज़͋Γ·͕͢ ϓϩτίϧͷ҆શੑΛอূ͢Δ͜ͱΛ ୈҰʹ࡞ͬͨ͜ͱ͕ࠩผԽཁҼͰ͢
ͳͥηΩϡϦςΟॏࢹʁ ͓͕ۚ͋Δͱ͜ΖΛ ϋοΧʔૂ͏
Hyperledgerʹͭͳ͍Ͱ͍Δͷʹ Layer2ͰminingstakingΛͯ͠ HyperledgerΛબͿझࢫʹ͢Δ
Plasmaͷಛੑ 1. Ϗβϯνϯੑ = L1ʹ४ͣΔ 2. TPSʹݪཧ্AlipayϨϕϧ(65ສ) 3. ΨεʹཁΒͳ͍ 4.
ϑΝΠφϦςΟʹ200msʙ༻్Մม 5. L1 agnostic = Hyperledger, Tezos, Polkadot, Ethereum
3. ΞʔΩςΫνϟ
Hyperledger Chaincode = {Golang, Java, NodeJS} + CouchDB Hyperledger Burrow
+ Fab3 = EVM on Chaincode (EVMCC) Hyperledgerͷߏ A. B.
Hyperledger Chaincode = {Golang, Java, NodeJS} + CouchDB Hyperledger Burrow
+ Fab3 = EVM on Chaincode (EVMCC) Hyperledgerͷߏ A. B. Solidityࢿ࢈͕స༻Մʹ
Fab3 RPC Burrow EVM Fabric Chaincode Web3 SDK Plasma Contract
Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ཁཧऀ ཁཧऀ γεςϜ ΞʔΩςΫνϟ
Fab3 RPC Burrow EVM Fabric Chaincode Web3 SDK Plasma Contract
Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ཁཧऀ ཁཧऀ γεςϜ ΞʔΩςΫνϟ Plasma(L2 Scaling Solution)ͷ ΠϯςάϨʔγϣϯ ͕Մೳʹ
Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ৼΔ͍ͷଆ໘͔Β Deposit/Exit/Challenge
Tx Commit/Challenge
Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ৼΔ͍ͷଆ໘͔Β Deposit/Exit/Challenge
Tx Commit/Challenge ࢠνΣʔϯʹϏβϯνϯނো͕͋ͬͨͱ͖͚ͩ L1ͷTxΛ༻͢Εྑ͍ߏ =ෳࡶͳܖϩδοΫϨΠϠͱྲྀ௨ϨΠϠͷ
Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 TPSͷଆ໘͔Β 300-500
tps 650k tps 300-500 tps
Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 TPSͷଆ໘͔Β 300-500
tps 650k tps 300-500 tps ௨ৗͷϖΠϝϯταʔόʔͱḮ৭ͳ͍ੑೳ
Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ΠϯλϥΫγϣϯͷଆ໘͔Β Good
Finality / Medium Throuput Good Finality / Medium Throuput Good Finality / High Throuput
Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ΠϯλϥΫγϣϯͷଆ໘͔Β Good
Finality / Medium Throuput Good Finality / Medium Throuput Good Finality / High Throuput Ϣʔβʔମݧ FabricΛબ͢Δҙٛ Social Acceptability ͋ΒΏΔࣾձཁΛཱ྆Ͱ͖Δઃܭ
Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ๏ͷଆ໘͔Β: ࡋॴ͔Βͷࡒ࢈ࠩ͠ԡ໋͑͞ྩͷγφϦΦ
ΦϖϨʔλʔ: Ұ෦TxͷϩʔϧόοΫ/मਖ਼ L1ϊʔυ܈: ৽نHashͷL1ద༻
Plasma Contract Plasma Chain Apps Ϣʔβʔϥϯυ Layer1 Layer2 ๏ͷଆ໘͔Β: ࡋॴ͔Βͷࡒ࢈ࠩ͠ԡ໋͑͞ྩͷγφϦΦ
ΦϖϨʔλʔ: Ұ෦TxͷϩʔϧόοΫ/मਖ਼ L1ϊʔυ܈: ৽نHashͷL1ద༻ εϚʔτίϯτϥΫτͰࣾձతϑϦΫγϣϯΛݮΒͭͭ͠ ๏ྩن੍ʹॱकͨ͠ॊೈͳӡ༻͕Մೳ
4. ΠϯϓϦέʔγϣϯ ༻్ɺࣄྫɺಛੑʹ͍ͭͯ
Case 1: BRP(όϥϯεɾϨεϙϯγϏϦςΟɾύʔςΟʔ) ిྗձࣾ
ૹൃిاۀͰͳ͘ࢢݪཧͰधڅόϥϯεௐΛௐ
Case 2: ϓϥΠόγʔΛߟྀͨ͠Ґஔσʔλ TEE ϩά
ϩάΛτϦΨʔʹΤεΫϩʔͷܖࣥߦ ηϯγςΟϒσʔλͷӾཡݖΛNFTཧ
Case3: ΑΓߴͳNFTήʔϜ ήʔϜ
͜Ε·ͰͷΠϯλʔωοτͱಉ͡Α͏ʹ TPSͷ੍ͳ͘ ΞηοτΛѻ͏͓͠Ζ͍ήʔϜΛ
Case4: ϝΨϕϯνϟʔͷۜߦԽ ϝΨϕϯۜߦ
ۜߦΛ50ԯͰ࡞ͬͯ10ԯͰҡ࣋Ͱ͖ͨΒ͍҆΄͏ εςʔϒϧίΠϯͷൃߦΛL1Ͱɺྲྀ௨ަΛL2Ͱ
ۜߦ͕औҾॴ·Ͱ๊͑Δ͜ͱͷͰ͖Δٕज़త҆શੑ
Case5: ෆಈ࢈NFT ෆಈ࢈
ϓϩάϥϚϒϧॴ༗ݖͰ࣌ؒି͠ͷ࠶ఆٛ 3DϓϦϯλͰෳ͞ΕΔཧ伴ΑΓηΩϡΞ
5. ݁
Web2 Web3 ࢈ۀ͕ϓϩτίϧʹΔ