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ビヨンドブロックチェーン基礎 / Beyond Blockchain Basics

ビヨンドブロックチェーン基礎 / Beyond Blockchain Basics

2023年3月15日(水)、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にて使用したスライドです。

Kenji Saito

March 15, 2023
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  1. ( ) SFC ( ) CSO (Chief Science Officer) 1993

    ( ) 2006 ( ) SFC 22 P2P (Peer-to-Peer) 2011 ( ) 2018 2019 VR 2021.7 VR 2021.8 “ALL THESE WORLDS ARE YOURS” VR 2021.9 & VR 2022.3 2023 AI VR 2023.2-3 “POWER TO THE PEOPLE” → ( ) — — 2023-03-15 – p.3/32
  2. Bitcoin Bitcoin 4 ( ) : ( ) ( )

    : : : ( ) ( ) ↑ permissionless ( ) permissioned ( ) — — 2023-03-15 – p.7/32
  3. ( ) (1) (2) (3) (4) ( ) state machine

    replication . . . ( : ( )) ( ) ( ) — — 2023-03-15 – p.8/32
  4. 1 : ( ) 2 : ( ) ⇒ (

    ) ( ) ( ) ( ) ( ) → — — 2023-03-15 – p.9/32
  5. / ( ) Bitcoin ( ) Open Assets Protocol (OAP)

    ( ) Ethereum ( ) ( ) Polkadot relay chain (parachains ↓ ) ( ) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth (Intel), Iroha ( ), Indy (Sovrin) Corda (R3), BBc-1 ( ) — — 2023-03-15 – p.10/32
  6. / 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 — — 2023-03-15 – p.11/32
  7. ( ) ( ) ( ) ( ) — —

    2023-03-15 – p.14/32
  8. / Bitcoin, Ethereum BBc-1 ( ) ( ) ( )

    ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ެڞۭؒ ɾτϥϯβΫγϣϯͷূڌΛແؔ܎ͳྺ࢙͕อ༗ ɾͲΕ͔ͷ୆ாΛແໃ६ʹॻ͖׵͑ͯ΋ূڌ͕࢒Δ τϥϯβΫγϣϯ ୆ா υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ Ethereum ( ) — — 2023-03-15 – p.15/32
  9. ( ( / )) ( ) ( ) ( )

    : ( ) ( ) ( ) BBc-1 ( ; ) — — 2023-03-15 – p.16/32
  10. / ( ) ( ) ( vs. ) ( )

    ( ) ( ) ⇒ ( : BBc-1) : : — — 2023-03-15 – p.18/32
  11. C V C ≥ V Bitcoin ( ) bitcoin Bitcoin

    ( ) Ethereum ( ) BBc-1 (PoCX) ( ) C ≥ V (proactive) (introspection ( ) ) ( ) — — 2023-03-15 – p.20/32
  12. Ethereum ( ) ⇒ (Ethereum PoS) ( ) ⇒ ZoE

    (Zcash on Ethereum) ZK-rollups ( vs. ) ( ) ⇒ ( Plasma) ( ) ⇒ ( ) (Benevolent Dictator For Life (BDFL)) ( ) ⇒ — — 2023-03-15 – p.22/32
  13. DPoS (Delegated Proof of Stake) PoS Delegated ( ) stake

    . . . stake stake . . . — — 2023-03-15 – p.23/32
  14. BBc-1 ( ) ⇒ ( ) ⇒ ( vs. )

    ( ) ⇒ DHT ( ) ⇒ ( ) ( ) ⇒ — — 2023-03-15 – p.24/32
  15. Beyond Blockchain One (BBc-1) #JUDPJO ##D$PSF ϨοδϟʔαϒγεςϜ ΞϓϦέʔγϣϯ ͦ ͷ

    ଞ ͞ · ͟ · ͳ Ξ ϓ Ϧ ͷ Մ ೳ ੑ ڞ௨ϥΠϒϥϦ ##D ։ൃ߲໨ ஍ Ҭ ௨ ՟ Ξ ϓ Ϧ ϙ Π ϯ τ Ξ ϓ Ϧ དྷ ྺ ূ ໌ Ξ ϓ Ϧ ʜ ॳظʹ͓͍ͯଘࡏূ໌Λґଘ ΞϯΧϦϯά ֤ϊʔυʹ͓͚Δه࿥ʹ͸ ֤छσʔλϕʔεΛར༻Մೳ TRMJUF.Z42-ͦͷଞ%# BBc-1 σδλϧ௨՟ϥΠϒϥϦ ͦͷଞͷϥΠϒϥϦ CCDMJC 1ZUIPO (P +4 FUD ( ) ( ) — — 2023-03-15 – p.28/32
  16. BBc-1 ਖ਼౰ੑͷอূ 6590 جຊߏ଄ εςʔτ؅ཧ΋Մ   ࣝผࢠͱެ։ݤͷ෼཭ ଟ༷ͳॺ໊ཁٻ υϝΠϯ಺Ͱͷݕূ

    αΠϯϦΫΤετ ࠴ݖͱͯ͠ͷΞηοτ #Z[BOUJOF1BYPT ଱ো֐ੑ ౳ ωΠςΟϒ௨՟Λ΋ͨͳ͍ υϝΠϯ಺࣏ࣗ υϝΠϯؒͷཤྺަࠩʹΑΔίϯςΩετূ໌ ॳظʹ͓͍ͯ͸ϒϩοΫνΣʔϯ΁ͷΞϯΧϦϯά ଘࡏੑͷূ໌ །Ұੑͷ߹ҙ Ψόφϯε — — 2023-03-15 – p.29/32
  17. BBc Trust ( ) — https://beyond-blockchain.org/public/bbc-trust.pdf — https://beyond-blockchain.org/public/bbc-trust_ja.pdf Design Paper

    (white paper) ( revision 0.2) — https://beyond-blockchain.org/public/bbc1-design-paper.pdf gihyo.jp ∼BBc-1 Beyond Blockchain One — https://gihyo.jp/dev/serial/01/bbc1 — — 2023-03-15 – p.31/32