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Ethereum 2.0 の現状と課題 / Ethereum 2.0 Now and Chal...

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Avatar for Kenji Saito Kenji Saito PRO
February 20, 2020
Technology
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Ethereum 2.0 の現状と課題 / Ethereum 2.0 Now and Challenges

2020年2月20日(木)、早稲田大学にて開催された自律分散社会フォーラム(DASF) 第26 回定例フォーラムでの講演にて使用したスライドです。

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Kenji Saito PRO

February 20, 2020

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Transcript

  1. Ethereum 2.0 (DASF) 26 / [email protected] Ethereum 2.0 — 2020-02-20

    – p.1/12

  2. (1) Ethereum 1.0 (2) Ethereum 2.0 (3) Ethereum 2.0 —

    2020-02-20 – p.2/12

  3. = ( ) run = → Ethereum 2.0 — 2020-02-20

    – p.3/12

  4. Ether Ethereum EOA : Externally-Owned Account ( ) ( )

    Ether ( ) EVM EVM = Ethereum = Ethereum 2.0 — 2020-02-20 – p.4/12

  5. EVM : Ethereum Virtual Machine Gas ( EVM = )

    → Ethereum 2.0 — 2020-02-20 – p.5/12

  6. Ethereum ( + ) ⇒ Ethereum Ethereum 2.0 ( )

    (ETH1/2 ) Ethereum 2.0 — 2020-02-20 – p.6/12

  7. Ethereum Frontier (2015) Homestead (2016) Metropolis Byzantium (2017) zk-SNARKs (

    ) → Zcash on Ethereum (ZoE) Constantinople + St.Petersburg (2019) (for 2nd Layer) Proof of Stake Istanbul (2019) ← Zcash zk-SNARKs/STARKs Serenity Ethereum 2.0 phase 0 (2020 ) Ethereum 2.0 — 2020-02-20 – p.7/12

  8. Ethereum 2.0 Phase 0 ← Ethereum 1.0 Beacon Chain Ethereum

    1.0 Phase 1 ( ) (Beacon Chain ) (crosslink ) ETH2 Phase 2 (EE) ( EE ) EVM → eWASM (Ethereum WebAssembly) Ethereum 1.0 EVM eWASM (?) (2021 ) Ethereum 2.0 — 2020-02-20 – p.8/12

  9. Casper (2020 ) Nothing at Stake (Slasher) stake 100 ⇒

    ( ) → Ethereum 2.0 — 2020-02-20 – p.9/12

  10. Ethereum 2.0 Phase 0 Beacon Chain Deposit Contract 32 ETH

    32 ETH2 1 10% ETH2 ETH2 (65,536ETH) ETH Deposit Contract Ethereum 2.0 — 2020-02-20 – p.10/12

  11. ( ) PoS . . . PoW ( ) (

    ) ( ) Ethereum 2.0 — 2020-02-20 – p.11/12

  12. Ethereum 2.0 — 2020-02-20 – p.12/12