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ブロックチェーンの課題を乗り越えて、 我々はどこに向かうのか / Where Do We Go Beyond Blockchain
Kenji Saito
PRO
May 29, 2018
Technology
1
210
ブロックチェーンの課題を乗り越えて、 我々はどこに向かうのか / Where Do We Go Beyond Blockchain
2018年5月29日(火)、静岡情報産業協会での講演にて使用したスライドです。
Kenji Saito
PRO
May 29, 2018
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Transcript
— SFC — 2018-05-29 – p.1/29
( ) SFC ( ) CSO (Chief Science Officer) 1993
( ) 2006 ( ) SFC 17 P2P (Peer-to-Peer) 2011 → ( ) — 2018-05-29 – p.2/29
( R&D, 2017.12) : SF + + 2048 — 2018-05-29
– p.3/29
— 2018-05-29 – p.4/29
— 2018-05-29 – p.5/29
( ) (1) (2) (3) (4) ( ) state machine
replication (1984) — 2018-05-29 – p.6/29
1) = ( , , ) 2) 3) ⇒ (
) ⇒ · / (dependable ) — 2018-05-29 – p.7/29
/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 ( ) — 2018-05-29 – p.8/29
(1) ( ) ⇒ P2P ( ) ⇒ — 2018-05-29
– p.9/29
(2) (double spending) ( ) ⇒ ⇒ ( ) ⇒
⇒ → → ⇒ → — 2018-05-29 – p.10/29
— — 2018-05-29 – p.11/29
/ (1) 2,100 cm3 (cc) 1 1cm3 10 12.5cm3 ⇒
⇒ ( ) — 2018-05-29 – p.12/29
/ (2) ( ) ( ) ( ) ( )
( ) → ( ) — 2018-05-29 – p.13/29
∼ ท൪߸O ท൪߸O ท൪߸O લทͷμΠδΣετ λʔήοτҎԼͰͳ͍ͱ͍͚ͳ͍ Έͩ͠ίʔφʔ μΠδΣετ͕λʔήοτҎԼʹͳΔΑ͏ʹೖΕΔదͳ༰
( ) → — 2018-05-29 – p.14/29
∼ ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O
ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ͬͪ͜ͷྺ࢙͕༗ޮ ( ) — 2018-05-29 – p.15/29
/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 — 2018-05-29 – p.16/29
/DLT Bitcoin, Ethereum DLT BBc-1 ( ) ( ) (
) ( ) ( ) ( ) ( ) ( ) ( ) Ethereum ( ) ( ) — 2018-05-29 – p.17/29
( ( )) ( ) DLT ( ) ( )
( ) BBc-1 ( ) — 2018-05-29 – p.18/29
— 2018-05-29 – p.19/29
/DLT ( ) ( ) ( vs. ) ( )
( ) ( ) ⇒ ( : BBc-1) DLT : : — 2018-05-29 – p.20/29
→ ( ) — 2018-05-29 – p.21/29
C V C ≥ V Bitcoin ( ) bitcoin Bitcoin
( ) Ethereum DLT ( ) BBc-1 ( ) ( ) C ≥ V (proactive) (introspection ( ) ) ( ) — 2018-05-29 – p.22/29
— 2018-05-29 – p.23/29
Ethereum ( ) ( ) ⇒ (Casper) ( ) ⇒
ZoE (Zcash on Ethereum) ( vs. ) ( ) ⇒ Plasma ( ) ⇒ ( ) (Benevolent Dictator For Life (BDFL)) ( ) ⇒ — 2018-05-29 – p.24/29
BBc-1 ( ) ( ) ⇒ ( ) ⇒ (
vs. ) ( ) ⇒ DHT ( ) ⇒ ( ) ( ) ⇒ — 2018-05-29 – p.25/29
Beyond Blockchain One (BBc-1) https://beyond-blockchain.org https://github.com/beyond-blockchain 2017 10 31 2018
5 22 core v1.0 office@beyond-blockchain.org — 2018-05-29 – p.26/29
⇒ BBc-1 ( ) ( ) ( ) — 2018-05-29
– p.27/29
— ( . . . ) QR ⇒ — 2018-05-29
– p.28/29
AI → : — 2018-05-29 – p.29/29