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ブロックチェーンの課題と、それを乗り越えるには / Problems of Blockchai...
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Kenji Saito
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September 06, 2018
Technology
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ブロックチェーンの課題と、それを乗り越えるには / Problems of Blockchain and How to Overcome Them
2018年9月6日(木)、某勉強会での講演で使用したスライドです。
Kenji Saito
PRO
September 06, 2018
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Transcript
— / ( ) CSO
[email protected]
— 2018-09-06 – p.1/19
( ) CSO (Chief Science Officer) SFC ( ) (
) 1993 ( ) 2006 ( ) SFC 18 P2P (Peer-to-Peer) 2011 → ( ) — 2018-09-06 – p.2/19
( R&D, 2017.12) : SF + + SF (2048 )
2048 — 2018-09-06 – p.3/19
— 2018-09-06 – p.4/19
1) = ( , , , ) 2) 3) ⇒
( ) ⇒ · / (dependable ) — 2018-09-06 – p.5/19
/DLT ( ) Bitcoin ( ) Open Assets Protocol (OAP)
( ) Ethereum ( ) ( ) Enterprise Ethereum Alliance (↓ ) (DLT: Distributed Ledger Technology) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth (Intel), Iroha ( ) Corda (R3), Tangle (IOTA), . . . , BBc-1 ( ) — 2018-09-06 – p.6/19
/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 — 2018-09-06 – p.7/19
/DLT Bitcoin, Ethereum DLT BBc-1 ( ) ( ) (
) ( ) ( ) ( ) ( ) ( ) ( ) Ethereum ( ) ( ) — 2018-09-06 – p.8/19
( ( )) ( ) DLT ( ) ( )
: ( ) ( ) ( ) BBc-1 ( ) — 2018-09-06 – p.9/19
/DLT ( ) ( ) ( vs. ) ( )
( ) ( ) ⇒ ( : BBc-1) DLT : : — 2018-09-06 – p.10/19
→ ( ) — 2018-09-06 – p.11/19
C V C ≥ V Bitcoin ( ) bitcoin Bitcoin
( ) Ethereum DLT ( ) BBc-1 ( ) ( ) C ≥ V (proactive) (introspection ( ) ) ( ) — 2018-09-06 – p.12/19
— 2018-09-06 – p.13/19
Ethereum ( ) ( ) ⇒ (Casper) ( ) ⇒
ZoE (Zcash on Ethereum) ( vs. ) ( ) ⇒ Plasma ( ) ⇒ ( ) (Benevolent Dictator For Life (BDFL)) ( ) ⇒ — 2018-09-06 – p.14/19
BBc-1 ( ) ( ) ⇒ ( ) ⇒ (
vs. ) ( ) ⇒ DHT ( ) ⇒ ( ) ( ) ⇒ — 2018-09-06 – p.15/19
Beyond Blockchain One (BBc-1) https://beyond-blockchain.org https://github.com/beyond-blockchain 2017 10 31 2018
5 22 core v1.0 offi
[email protected]
— 2018-09-06 – p.16/19
⇒ BBc-1 ( ) ( ) ( ) — 2018-09-06
– p.17/19
— ( . . . ) QR ⇒ — 2018-09-06
– p.18/19
AI → : — 2018-09-06 – p.19/19