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。

Transcript

1. Ethereum 2.0 (DASF) 26 / ks91@aoni.waseda.jp 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