Introducing Plasma Chamber + Community Updates

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Introducing Plasma Chamber + Community Updates 5/24 blockchain.tokyo #19 EDCON Recap! @yuriks_oﬃcial

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• Twitter: @yuriks_oﬃcial • Sophomore @ Waseda Univ. • Full-time International BizDev / Researcher @CEL :VSJLP/JTIJKJNB

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Daiki Sekiguchi Developer Takamichi Tsutsumi Developer

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Why Plasma?

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֎෦͔ΒͷϋοΫͷ͞Εʹ͘͞ ࢖͍΍͢͞ ӡӦݩͷෆਖ਼ߦҝ΁ͷ଱ੑ " ‘࠷ڧͷσʔλϕʔε’ ϒϩοΫνΣʔϯͷτϨʔυΦϑ

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• Ψε୅ߴ͍ • TPSग़ͳ͍ • ͞ΒʹFinalityܾఆ·Ͱ͔͔࣌ؒΔ • γϯϓϧͳΞϓϦ։ൃ͔͠Ͱ͖ͳ͍ • σʔλॏͯ͘MobileͰಈ͔ͳ͍ ࢖͍ʹ͘͞

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Plasma ηΩϡΞͳτϥϯβΫγϣϯѹॖٕज़ • ϒϩοΫνΣʔϯΛΑΓแׅతʹʰ࢖͑Δ΋ͷʱʹͯ͘͠ ΕΔٕज़ • Կ͕͍ͬͯ͢͝TPS(࢖͍΍͢͞)্͕͕Δ͚ͩ͡Όͳ͍ • ηΩϡϦςΟ΋֬อ

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Plasma Brings Qualities of Mass Adoption Scalable Utilize Plasma chain to reach 5000 + TPS ( 㲗 Ethereum: 15 TPS ) Robust Security Derive Ethereum’s security to assure the network low probability of attacks Usability Unique implementation to improve UX of DApps on Ethereum

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What I mean by ‘usable’ - High TPS (with security guarantee) ✔ - Less Gas for end-users ✔ - Work on Mobile ✔ - Instant Finality ✔ - + DAI Stable Coin (ERC20)! Low Volatility ✔ Ex. transfer app and we’ll play a demo today!

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Plasma Chamber Effortless Dapps Framework on Top of Plasma on x Fast Finality Demo

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Plasma chain = チャイルドチェーン Plasma全体俯瞰図 OpがTxを集めてMR作成 Ethereum = ルートチェーン Tx: AliceからBob へ100JPY送ったオペレーター子チェーンブロック作成ごとに OpによってMRのみが親チェーンに刻まれる (= Commit) ⬆末端＝一つ一つのTxのハッシュ値　　　　　　　　　Txの例→ エンドユーザー Plasmaを使ったDapps オペレーター(Op) 送金 To: 子チェーンコントラクト送金を指示ブロックの中身を拡大 To: 親チェーンコントラクト Exitを申請 →チャレンジ期間を経て　　出金される Commit Commit Commit お金送ろうお金引き出そう Exit

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Problems of Plasma History Veriﬁcation डऔख͸τϥϯβΫγϣϯͷཤྺΛ֬ೝ͠ͳͯ͘͸ͳΒͳ͍ (MainchainͰͷtxʹ͸ͳ͍εςοϓʣ Finality ηΩϡΞͳPlasmaͷ Finality͸Plasma blocktime + Ethereum blocktime x (6~24) (Lightening Network͸ଈ࣌Finality) Challenge ظؒ Ϣʔβ͸Plasma͔Βग़ΔͷʹChallengeظؒ଴ͨͳ͚Ε͹͍͚ͳ͍ɻ

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Plasma Chamber Effortless Dapps Framework on Top of Plasma

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Can each DApp project hire these genius Plasma researchers and form a protocol R&D team? →Quite difficult

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Effortless DApps Development Framework on Plasma

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Plasma Chamber Effortless Dapps Framework on Top of Plasma https://github.com/cryptoeconomicslabs/plasma-chamber Sum Merkle Tree - to avoid mass exit - merge & split ✔ - NFT -> fungible by start & end ͪͳΈʹɿPlasma Cashflow

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1MBTNB$BTIqPX 'SPNIUUQTFUISFTFBSDIUQMBTNBDBTIXBTBUSBOTBDUJPOGPSNBU

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Plasma Chamber’s Unique Implementation 1. Security 2. Gas Cost/Proof Size Reduction 3. Instantaneous Finality Simple Exit Game Defragmentation Plasma Checkpoint Fast Finality

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Plasma Chamber’s Unique Implementation 1. Security 2. Gas Cost/Proof Size Reduction 3. Instantaneous Finality Simple Exit Game Defragmentation Plasma Checkpoint Fast Finality (DEMO)

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Simple Exit Game “Another Simple Exit Game Implementation for Plasma Cashflow Construction” posted on EthResearch Exit 1 priority 1 Challenged by 3 -> Exit 3 priority = 1 ❌

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Plasma Chamber’s Unique Implementation 1. Security 2. Gas Cost/Proof Size Reduction 3. Instantaneous Finality Simple Exit Game Defragmentation Plasma Checkpoint Fast Finality (DEMO)

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Plasma Chamber’s Unique Implementation 1. Security 2. Gas Cost/Proof Size Reduction 3. Instantaneous Finality Simple Exit Game Defragmentation Plasma Checkpoint Fast Finality (DEMO)

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Defragmentation : reduce gas costs for exits

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Plasma Chamber’s Unique Implementation 1. Security 2. Gas Cost/Proof Size Reduction 3. Instantaneous Finality Simple Exit Game Defragmentation Plasma Checkpoint Fast Finality

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Plasma Checkpoint : history data size reduced to be stored on mobile wallets

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Plasma Chamber’s Unique Implementation 1. Security 2. Gas Cost/ Proof Size Reduction 3. Instantaneous Finality Simple Exit Game Defragmentation Plasma Checkpoint Fast Finality (DEMO)

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Time to Finality Normal finality of Plasma = Plasma chain block time + Root chain block time x (6~24) 1 min 1.5 ~ 6 mins = 2 secs TPS improved, but not TTF

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Fast Finality Operator Customers Merchant Collateral Fast Finality Fund Security  represented by FF token ETH

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Operator Alice Customer Bob Merchant ᶃ ᶄ ᶅ ᶆ ᶃ ᶄ ᶅ ᶆ Fast Finality Contract notification

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Operator Customer Merchant Fast Finality Dispute Contract Dispute Scenario on Wiki!

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Plasma Chamber Effortless Dapps Framework on Top of Plasma Demo Demo App URL User Wallet: https://plasma-chamber-demo1-m.cryptoeconomicslab.com/ Shop Dashboard: https://plasma-chamber-demo1-mw.cryptoeconomicslab.com/

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)JTUPSZPG1MBTNB 1MBTNB.71 1MBTNB$BTI 1MBTNB$BTIqPX

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What’s next Future Work: Plapps - Multi-hop / Multi-channel Predicate - Payment channel - ERC20 Atomic Swaps on Plasma ࢠνΣʔϯΛRustʹॻ͖׵͑த - ͲΜͳ؀ڥͰ΋ಈ͚ͯ - ϐʔΫ࣌Ͱ΋txͰ΋͞͹͚ΔΑ͏ʹ - TypeScriptΑΓsecure

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۩ମతͳϢʔεέʔε OperatorΛט·ͤΔ͜ͱʹΑͬͯΨε୅࡟ݮΛอূ/ҝସۀ຿ϥΠηϯε͕ͳ͘ ͯ΋୭Ͱ΋ਓͷ͓ۚΛ༬͔ΕΔ ● ૹۚΞϓϦ✔ ● mutil-palyer ͷήʔϜΞϓϦ ● Logging on Plasma :ମॏܭʹIoTσόΠεʔʼຖ೔ϒϩοΫνΣʔϯʹମॏ Λه࿥ ● εΪՖคΩϥʔΞοϓ:ʰok google, ࠓݟ͑ͯΔ͜ͷਿΛใࠂͯ͠ɻݒ৆ۚ ͸20ສʱʢΤϯυϢʔβʔ͕ӡӦݩʹੵΜͩڙୗ͔ۚΒ෷ΘΕΔʣ ● C2Cిྗૹ৴App

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IUUQTHJUDPJODP HSBOUT DSZQUPFDPOPNJDT MBC

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https://t.me/plasmaqanda @cryptoeconomicslab/ plasma-chamber https://medium.com/ cryptoeconomics-lab Telegramάϧʔϓ΁ͷࢀՃ͓଴͓ͪͯ͠Γ·͢ʂʂ