Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
ハイパーレッジャーとその他の分散台帳技術 / Hyperledger and Other (D...
Search
Kenji Saito
PRO
September 23, 2020
Technology
0
220
ハイパーレッジャーとその他の分散台帳技術 / Hyperledger and Other (Distributed) Ledger Technology
2020年9月23日(水)、ブロックチェーンハブ主催のブロックチェーンアカデミー「ハイパーレッジャーとその他の分散台帳技術」にて使用したスライドです。
Kenji Saito
PRO
September 23, 2020
Tweet
Share
More Decks by Kenji Saito
See All by Kenji Saito
スマートコントラクトプログラミング / Smart Contract Programming
ks91
PRO
0
4
AI が研究する時代に、人はどう育つのか? — GAMER PAT にみる "シリアスゲームとしての知的訓練" / In an era where AI conducts research, how will humans develop? — "Intellectual Training as a Serious Game" Seen in GAMER PAT
ks91
PRO
0
37
FinTech 5-6 : The World of Apps
ks91
PRO
0
69
生成AI による論文執筆サポート・ワークショップ ─ サーベイ/リサーチクエスチョン編 / Workshop on AI-Assisted Paper Writing Support: Survey/Research Question Edition
ks91
PRO
0
66
ブロックチェーン概論とインストール大会 / Introduction to Blockchain and Installation Workshop
ks91
PRO
0
2
FinTech 3-4 : Internet Technology and Governance
ks91
PRO
0
71
民主主義と博愛(Humanitarianism) / Democracy and Humanitarianism
ks91
PRO
0
6
ブロックチェーン概論 / Introduction to Blockchain
ks91
PRO
0
12
ブロックチェーンと分散ファイナンス概論 / Introduction to Blockchain and Decentralized Finance
ks91
PRO
0
65
Other Decks in Technology
See All in Technology
『OCI で学ぶクラウドネイティブ 実践 × 理論ガイド』 書籍概要
oracle4engineer
PRO
3
220
ComposeではないコードをCompose化する case ビズリーチ / DroidKaigi 2025 koyasai
visional_engineering_and_design
0
110
GoでもGUIアプリを作りたい!
kworkdev
PRO
0
140
Git in Team
kawaguti
PRO
3
370
Claude Code Subagents 再入門 ~cc-sddの実装で学んだこと~
gotalab555
3
1.9k
衛星画像超解像化によって実現する2D, 3D空間情報の即時生成と“AI as a Service”/ Real-time generation spatial data enabled_by satellite image super-resolution
lehupa
0
170
OCI Network Firewall 概要
oracle4engineer
PRO
2
7.9k
技育祭2025【秋】 企業ピッチ/登壇資料(高橋 悟生)
hacobu
PRO
0
110
カンファレンスに託児サポートがあるということ / Having Childcare Support at Conferences
nobu09
1
580
スタートアップにおけるこれからの「データ整備」
shomaekawa
2
480
データ戦略部門 紹介資料
sansan33
PRO
1
3.7k
BI ツールはもういらない?Amazon RedShift & MCP Server で試みる新しいデータ分析アプローチ
cdataj
0
160
Featured
See All Featured
The Pragmatic Product Professional
lauravandoore
36
6.9k
Building Better People: How to give real-time feedback that sticks.
wjessup
369
20k
Product Roadmaps are Hard
iamctodd
PRO
54
11k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
115
20k
Why You Should Never Use an ORM
jnunemaker
PRO
59
9.6k
Scaling GitHub
holman
463
140k
A Modern Web Designer's Workflow
chriscoyier
697
190k
Large-scale JavaScript Application Architecture
addyosmani
514
110k
Fireside Chat
paigeccino
40
3.7k
Site-Speed That Sticks
csswizardry
12
900
Into the Great Unknown - MozCon
thekraken
40
2.1k
Build The Right Thing And Hit Your Dates
maggiecrowley
37
2.9k
Transcript
Chief Science Officer /
[email protected]
— — 2020-09-23 – p.1/46
https://speakerdeck.com/ks91 — — 2020-09-23 – p.2/46
( ) SFC ( ) CSO (Chief Science Officer) 1993
( ) 2006 ( ) SFC 20 P2P (Peer-to-Peer) ( 9 ) 2011 2018 2019 2019 2020 2020 → ( ) — — 2020-09-23 – p.3/46
Linux Foundation Hyperledger R3CEV Corda Facebook/Calibra The Libra Blockchain Web3
Foundatoin Polkadot ( ) — — 2020-09-23 – p.4/46
(Linux Foundation) Fabric (IBM), Sawtooth (Intel), Iroha ( ), Indy
(Sovrin), Besu (ConsenSys) Corda (R3) The Libra Blockchain (Facebook/Calibra) Polkadot (Web3) BBc-1 ( ) DLT — — 2020-09-23 – p.5/46
(BP : Blockchain Property ) BP-1 : BP-2 : BP-3
: ( ) BP-2 permissionless ( ) permissioned ( ) BP-2’ : — — 2020-09-23 – p.6/46
( ) BP-1 ( ), BP-2 ( ) BBc-1 f
: → BP-3 ( ) ( ) ( ) ← BP-2 ← BP-3 ( ) ← BP-3 + ← BP-{1,2} — — 2020-09-23 – p.7/46
[Lamport 1984][Schneider 1990] (1) (2) (3) (4) ( ) ←
↑ permissioned — — 2020-09-23 – p.8/46
SMRP (State Machine Replication Problem) SMRP-1 ( ) SMRP-2 :
= — — 2020-09-23 – p.9/46
/DLT ਖ਼ੑͷอূ ྫ6590ߏͱσδλϧॺ໊ ଘࡏੑͷূ໌ ྫ࡞ۀূ໌͖ϋογϡνΣʔϯ །Ұੑͷ߹ҙ ྫφΧϞτɾίϯηϯαε ϧʔϧͷهड़ ྫ#5$ͷҠస ɾ
τϥϯβΫγϣϯͷ༰͕վ͟ΜͰ͖ͣɺ ɾ ͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺ ɾ ͔ͭɺਖ਼ͳϢʔβʹΑΓೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δ ɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺ ɾ ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻Ͱ͖ͳ͍ ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕ೖ͞Εͨ߹ɺ ɹ ͍ͣΕ ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔ ɾΞϓϦέʔγϣϯϩδοΫ Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ BP-1, BP-3, BP-2 ( ) — — 2020-09-23 – p.10/46
(Linux Foundation) https://www.hyperledger.org Apache License, Version 2.0 — — 2020-09-23
– p.11/46
/ : Proposal → Incubation → Active → Deprecated →
End of Life — — 2020-09-23 – p.12/46
( https://www.hyperledger.org/about/members ) — — 2020-09-23 – p.13/46
Fabric (IBM) IBM Digital Asset Holdings http://hyperledger-fabric.readthedocs.io/en/latest/ State : Active
— — 2020-09-23 – p.14/46
( ) ( ) — — 2020-09-23 – p.15/46
Fabric – (Docker) (chaincode) BFT , , RocksDB CA PKI
v1.0 ( v2.0) DB CA BFT : Byzantine Fault Tolerance ( ) CA : Certificate Authority ( ) PKI : Public Key Infrastructure ( ) — — 2020-09-23 – p.16/46
Sawtooth (Intel) https://github.com/hyperledger/sawtooth-core State : Active — — 2020-09-23 –
p.17/46
( ) (permissioned) (permissionless) Proof of Elapsed Time (PoET) Proof
of Work ( ) (Intel ) / Transaction Families — — 2020-09-23 – p.18/46
Sawtooth – (transaction families) (PoET ) PBFT (Practical BFT) PoET
( ) (transaction families) — — 2020-09-23 – p.19/46
Iroha ( ) https://iroha.readthedocs.io/en/master/ State : Active — — 2020-09-23
– p.20/46
( ) DLT : C++ — — 2020-09-23 – p.21/46
Iroha – Iroha EVM Sumeragi (BFT) → YAC (FT) +
, EVM : Ethereum Virtual Machine (Ethereum ) FT : Fault Tolerance ( ) ( ) — — 2020-09-23 – p.22/46
Indy (Sovrin) https://github.com/hyperledger/indy-node State : Active ID Hyperledger ID —
— 2020-09-23 – p.23/46
Indy – ID RBFT (Redundant BFT) — — 2020-09-23 –
p.24/46
Besu (ConsenSys) https://besu.hyperledger.org/en/stable/ State : Active Ethereum Quorum — —
2020-09-23 – p.25/46
Besu – EVM GHOST → Casper, PoA, etc. + PoW
→ Casper, PoA : Proof of Authority — — 2020-09-23 – p.26/46
Corda (R3) https://github.com/corda/corda — — 2020-09-23 – p.27/46
R3 R3CEV 77 (2017 2 ) 3 SBI R3Net( )
Corda — — 2020-09-23 – p.28/46
Corda Corda : BP-{1,2,3} : — — 2020-09-23 – p.29/46
( ) + CAP ( Polkadot (?) ) — —
2020-09-23 – p.30/46
Corda – JVM ( ) (Uniqueness Services) UTXO X.509 PKI
( ) JVM : Java Virtual Machine (Java ) X.509 : PKI — — 2020-09-23 – p.31/46
The Libra Blockchain Libra https://developers.libra.org/docs/the-libra-blockchain-paper — — 2020-09-23 – p.32/46
Libra Move (← ) (BFT) (← ) ( ) 5
( ) ↑ ( ) — — 2020-09-23 – p.33/46
The Libra Blockchain ( ) → Merkle accumulator (1) publish
(2) ( ) (3) BFT (4) Ethereum Gas ( DoS ) (5) /VM — — 2020-09-23 – p.34/46
The Libra Blockchain – Move (VM ) BFT (= )
( 1,000 ) ( publish ) + 5 . . . ← BFT f ( ) 1 (f ) Move (domain-specific) — — 2020-09-23 – p.35/46
Polkadot (Web3 Foundation) https://polkadot.network/PolkaDotPaper.pdf — — 2020-09-23 – p.36/46
Polkadot – , Substrate BFT ( ) ( ) Bitcoin,
Ethereum DOT — — 2020-09-23 – p.37/46
BBc-1 (Beyond Blockchain One) https://github.com/beyond-blockchain https://beyond-blockchain.org — — 2020-09-23 –
p.38/46
Proof of Work Bitcoin ( ) BBc Trust ( )
https://github.com/beyond-blockchain/bbc1/blob/develop/docs/BBc-trust.pdf ( ) https://github.com/beyond-blockchain/bbc1/blob/develop/docs/BBc-trust_ja.pdf ( ) Design Paper (white paper) https://github.com/beyond-blockchain/bbc1/blob/develop/docs/BBc-1_design_paper.pdf — — 2020-09-23 – p.39/46
BBc-1 — — 2020-09-23 – p.40/46
BBc-1 – (Python → bbc1-lib-contracts?) PoCX ( ) ( DAG)
( ) UTXO/ (Proof of Context) — — 2020-09-23 – p.41/46
(D)LT — — 2020-09-23 – p.42/46
( ) (1) (2) (3) (4) ( ) ⇒ —
— 2020-09-23 – p.43/46
( ) (by ) (since 1984) ( ) ( )
( ) . . . ( ) ⇒ state machine replication — — 2020-09-23 – p.44/46
( ) ( ) ( ) ( ) ( )
( ) (by ) ( ) → — — 2020-09-23 – p.45/46
— — 2020-09-23 – p.46/46