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ハイパーレッジャーとその他の分散レッジャー技術 / Hyperledger and Other Distributed Ledger Technology
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Kenji Saito
PRO
December 20, 2017
Technology
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170
ハイパーレッジャーとその他の分散レッジャー技術 / Hyperledger and Other Distributed Ledger Technology
2017年12月20日(水)、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レッジャー技術」にて使用したスライドです
Kenji Saito
PRO
December 20, 2017
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Transcript
CSO / SFC
[email protected]
— — 2017-12-20 – p.1/35
( ) SFC ( ) CSO (Chief Science Officer) 1993
M.Eng ( ) 2006 ( ) SFC 17 P2P 2011 → ( ) — — 2017-12-20 – p.2/35
Linux Foundation Hyperledger R3CEV Corda IoT IOTA Tangle BBc-1 (
) — — 2017-12-20 – p.3/35
(Linux Foundation) Fabric (IBM), Sawtooth (Intel), Iroha ( ) Corda
(R3), Tangle (IOTA), BBc-1 ( ) DLT — — 2017-12-20 – p.4/35
/DLT End-to-End ( ) ( ) — — 2017-12-20 –
p.5/35
(Linux Foundation) https://www.hyperledger.org Apache License, Version 2.0 — — 2017-12-20
– p.6/35
/ : Proposal → Incubation → Active → Deprecated →
End of Life — — 2017-12-20 – p.7/35
( https://www.hyperledger.org/about/members ) — — 2017-12-20 – p.8/35
Fabric (IBM) IBM Digital Asset Holdings http://hyperledger-fabric.readthedocs.io/en/latest/ State : Active
— — 2017-12-20 – p.9/35
( ) ( ) — — 2017-12-20 – p.10/35
Fabric – (Docker) (chaincode) PBFT (Practical BFT) ( ) RocksDB
CA PKI v1.0 DB CA BFT : Byzantine Fault Tolerance ( ) CA : Certificate Authority ( ) PKI : Public Key Infrastructure ( ) — — 2017-12-20 – p.11/35
Sawtooth (Intel) https://github.com/hyperledger/sawtooth-core State : Active — — 2017-12-20 –
p.12/35
( ) (permissioned) (permissionless) Proof of Elapsed Time (PoET) Proof
of Work ( ) (Intel ) / Transaction Families — — 2017-12-20 – p.13/35
Sawtooth – (transaction families) (PoET ) PoET ( ) (transaction
families) — — 2017-12-20 – p.14/35
Iroha ( ) https://github.com/hyperledger/iroha State : Active — — 2017-12-20
– p.15/35
( ) DLT : C++ Sumeragi Whitepaper : https://github.com/hyperledger/iroha/blob/master/docs/iroha_whitepaper.md —
— 2017-12-20 – p.16/35
Iroha – JVM (chaincode) Sumeragi (BFT) → YAC? JVM :
Java Virtual Machine (Java ) — — 2017-12-20 – p.17/35
Corda (R3), Tangle (IOTA), BBc-1 ( ) — — 2017-12-20
– p.18/35
Corda (R3) R3 https://github.com/corda/corda — — 2017-12-20 – p.19/35
R3 R3CEV 77 (2017 2 ) 3 SBI R3Net( )
Corda — — 2017-12-20 – p.20/35
Corda Corda : : — — 2017-12-20 – p.21/35
( ) + CAP ( DLT ) — — 2017-12-20
– p.22/35
Corda – JVM ( ) (Uniqueness Services) UTXO X.509 PKI
( ) X.509 : PKI — — 2017-12-20 – p.23/35
Tangle (IOTA) IoT IOTA https://iota.readme.io — — 2017-12-20 – p.24/35
IoT TX TX (DAG) ( DAG ) TX Tangle —
— 2017-12-20 – p.25/35
Tangle – IoT (IOTA) DAG ( ) DAG — —
2017-12-20 – p.26/35
BBc-1 (Beyond Blockchain One) https://github.com/beyond-blockchain/bbc1 https://beyond-blockchain.org — — 2017-12-20 –
p.27/35
Proof of Work Bitcoin ( ) BBc Trust ( )
https://beyond-blockchain.org/public/bbc-trust.pdf ( ) https://beyond-blockchain.org/public/bbc-trust_ja.pdf ( ) Design Paper (white paper) https://beyond-blockchain.org/public/bbc1-design-paper.pdf — — 2017-12-20 – p.28/35
BBc-1 — — 2017-12-20 – p.29/35
BBc-1 – ( Python) ( DAG) ( ) UTXO v1.0
(2017 ; v0.7) — — 2017-12-20 – p.30/35
DLT — — 2017-12-20 – p.31/35
( ) (1) (2) (3) (4) ( ) ⇒ —
— 2017-12-20 – p.32/35
( ) (by ) (since 1984) ( ) ( )
( ) . . . ( ) ⇒ state machine replication — — 2017-12-20 – p.33/35
( ) ( ) ( ) ( ) ( )
( ) (by ) — — 2017-12-20 – p.34/35
— — 2017-12-20 – p.35/35