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2月28日(金)、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。

Transcript

1. Chief Science Officer / ks91@blockchainhub.co.jp — — 2020-02-28 – p.1/39
2. https://speakerdeck.com/ks91 — — 2020-02-28 – p.2/39
3. ( ) SFC CSO (Chief Science Officer) 1993 ( ) 2006 ( ) SFC 19 P2P (Peer-to-Peer) ( 9 ) 2011 2018 2019 ∼ 2019 ∼ REINVENT THE WORLD → ( ) — — 2020-02-28 – p.3/39
4. Linux Foundation Hyperledger R3CEV Corda Facebook/Calibra The Libra Blockchain ( ) — — 2020-02-28 – p.4/39
5. (Linux Foundation) Fabric (IBM), Sawtooth (Intel), Iroha ( ), Indy (Sovrin) Corda (R3), The Libra Blockchain (Facebook/Calibra), BBc-1 ( ) DLT — — 2020-02-28 – p.5/39
6. /DLT ਖ਼౰ੑͷอূ ྫ
   
   6590
   ߏ଄ͱσδλϧॺ໊ ଘࡏੑͷূ໌ ྫ
   
   ࡞ۀূ໌෇͖ϋογϡνΣʔϯ །Ұੑͷ߹ҙ ྫ
   
   φΧϞτɾίϯηϯαε ϧʔϧͷهड़ ྫ
   
   #5$
   ͷҠస ɾ
   τϥϯβΫγϣϯͷ಺༰͕վ͟ΜͰ͖ͣɺ ɾ
   ͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺ ɾ
   ͔ͭɺਖ਼౰ͳϢʔβʹΑΓ౤ೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δ ɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺ ɾ
   ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻଄Ͱ͖ͳ͍ ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕౤ೖ͞Εͨ৔߹ɺ ɹ ͍ͣΕ
   ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔ ɾΞϓϦέʔγϣϯϩδοΫ
   Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ End-to-End ( ) ( ) — — 2020-02-28 – p.6/39
7. (Linux Foundation) https://www.hyperledger.org Apache License, Version 2.0 — — 2020-02-28 – p.7/39
8. / : Proposal → Incubation → Active → Deprecated → End of Life — — 2020-02-28 – p.8/39
9. ( https://www.hyperledger.org/about/members ) — — 2020-02-28 – p.9/39
10. Fabric (IBM) IBM Digital Asset Holdings http://hyperledger-fabric.readthedocs.io/en/latest/ State : Active — — 2020-02-28 – p.10/39
11. ( ) ( ) — — 2020-02-28 – p.11/39
12. Fabric – (Docker) (chaincode) BFT , RocksDB CA PKI v1.0 ( v2.0) DB CA BFT : Byzantine Fault Tolerance ( ) CA : Certificate Authority ( ) PKI : Public Key Infrastructure ( ) — — 2020-02-28 – p.12/39
13. Sawtooth (Intel) https://github.com/hyperledger/sawtooth-core State : Active — — 2020-02-28 – p.13/39
14. ( ) (permissioned) (permissionless) Proof of Elapsed Time (PoET) Proof of Work ( ) (Intel ) / Transaction Families — — 2020-02-28 – p.14/39
15. Sawtooth – (transaction families) (PoET ) PBFT (Practical BFT) PoET ( ) (transaction families) — — 2020-02-28 – p.15/39
16. Iroha ( ) https://iroha.readthedocs.io/en/latest/ State : Active — — 2020-02-28 – p.16/39
17. ( ) DLT : C++ — — 2020-02-28 – p.17/39
18. Iroha – JVM (chaincode) Sumeragi (BFT) → YAC (FT) + , JVM : Java Virtual Machine (Java ) FT : Fault Tolerance ( ) ( ) — — 2020-02-28 – p.18/39
19. Indy (Sovrin) https://github.com/hyperledger/indy-node State : Active — — 2020-02-28 – p.19/39
20. ( ) ID Hyperledger ID — — 2020-02-28 – p.20/39
21. Indy – ID RBFT (Redundant BFT) — — 2020-02-28 – p.21/39
22. Corda (R3) R3 https://github.com/corda/corda — — 2020-02-28 – p.22/39
23. R3 R3CEV 77 (2017 2 ) 3 SBI R3Net( ) Corda — — 2020-02-28 – p.23/39
24. Corda Corda : : — — 2020-02-28 – p.24/39
25. ( ) + CAP ( (?) ) — — 2020-02-28 – p.25/39
26. Corda – JVM ( ) (Uniqueness Services) UTXO X.509 PKI ( ) X.509 : PKI — — 2020-02-28 – p.26/39
27. The Libra Blockchain Libra https://developers.libra.org/docs/the-libra-blockchain-paper — — 2020-02-28 – p.27/39
28. Libra Move (← ) (BFT) (← ) ( ) 5 ( ) — — 2020-02-28 – p.28/39
29. The Libra Blockchain ( ) → Merkle accumulator (1) publish (2) ( ) (3) BFT (4) Ethereum Gas ( DoS ) (5) /VM — — 2020-02-28 – p.29/39
30. The Libra Blockchain – Move (VM ) BFT (= ) ( 1,000 ) ( publish ) + 5 . . . BFT f ( ) 1 (f ) Move (domain-specific) ( ) — — 2020-02-28 – p.30/39
31. BBc-1 (Beyond Blockchain One) https://github.com/beyond-blockchain https://beyond-blockchain.org — — 2020-02-28 – p.31/39
32. 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 — — 2020-02-28 – p.32/39
33. BBc-1 — — 2020-02-28 – p.33/39
34. BBc-1 – (Python → bbc1-lib-contracts?) PoCX ( ) ( DAG) ( ) UTXO/ (Proof of Context) — — 2020-02-28 – p.34/39
35. (D)LT — — 2020-02-28 – p.35/39
36. ( ) (1) (2) (3) (4) ( ) ⇒ — — 2020-02-28 – p.36/39
37. ( ) (by ) (since 1984) ( ) ( ) ( ) . . . ( ) ⇒ state machine replication — — 2020-02-28 – p.37/39
38. ( ) ( ) ( ) ( ) ( ) ( ) (by ) ( ) → — — 2020-02-28 – p.38/39
39. — — 2020-02-28 – p.39/39