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。

Transcript

1. —
   / ( ) CSO
   ks91@beyond-blockchain.org
   — 2018-09-06 – p.1/19
   

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2. ( )
   CSO (Chief Science Officer)
   SFC ( )
   ( )
   1993 ( )
   2006 ( )
   SFC 18
   P2P (Peer-to-Peer)
   2011
   → ( )
   — 2018-09-06 – p.2/19
   

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3. ( R&D, 2017.12)
   : SF + +
   SF (2048 )
   2048
   — 2018-09-06 – p.3/19
   

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4. — 2018-09-06 – p.4/19
   

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5. 1)
   = ( , , , )
   2)
   3)
   ⇒ ( )
   ⇒
   ·
   / (dependable )
   — 2018-09-06 – p.5/19
   

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6. /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
   

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7. /DLT
   ਖ਼౰ੑͷอূ
   ྫ6590ߏ଄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
   
   — 2018-09-06 – p.7/19
   

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8. /DLT
   Bitcoin, Ethereum DLT BBc-1
   ( )
   ( ) ( ) ( ) ( )
   ( )
   ( ) ( ) ( )
   Ethereum
   ( ) ( )
   — 2018-09-06 – p.8/19
   

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9. ( ( ))
   ( )
   DLT ( )
   ( )
   : ( )
   ( )
   ( )
   BBc-1 ( )
   — 2018-09-06 – p.9/19
   

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10. /DLT
    ( )
    ( )
    ( vs. )
    ( )
    ( )
    ( )
    ⇒
    ( : BBc-1)
    DLT
    :
    :
    — 2018-09-06 – p.10/19
    

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11. →
    ( )
    — 2018-09-06 – p.11/19
    

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12. C V C ≥ V
    Bitcoin ( ) bitcoin
    Bitcoin ( )
    Ethereum
    DLT ( )
    BBc-1 ( ) ( )
    C ≥ V
    (proactive) (introspection ( ) )
    ( )
    — 2018-09-06 – p.12/19
    

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13. — 2018-09-06 – p.13/19
    

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14. Ethereum ( )
    ( )
    ⇒ (Casper)
    ( )
    ⇒ ZoE (Zcash on Ethereum)
    ( vs. )
    ( )
    ⇒ Plasma
    ( )
    ⇒ ( ) (Benevolent Dictator For Life (BDFL))
    ( )
    ⇒
    — 2018-09-06 – p.14/19
    

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15. BBc-1 ( )
    ( )
    ⇒
    ( )
    ⇒
    ( vs. )
    ( )
    ⇒ DHT
    ( )
    ⇒ ( )
    ( )
    ⇒
    — 2018-09-06 – p.15/19
    

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16. 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
    — 2018-09-06 – p.16/19
    

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17. ⇒ BBc-1
    ( )
    ( )
    ( )
    — 2018-09-06 – p.17/19
    

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18. —
    (
    . . .
    )
    QR
    ⇒
    — 2018-09-06 – p.18/19
    

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19. AI
    →
    :
    — 2018-09-06 – p.19/19
    

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