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レッジャー技術の 1年史 2017 / Brief One-Year History of Ledger Technology 2017

Kenji Saito
December 08, 2017

レッジャー技術の 1年史 2017 / Brief One-Year History of Ledger Technology 2017

2017年12月8日(金)、株式会社ブロックチェーンハブ・一般社団法人ビヨンドブロックチェーン・一般社団法人自律分散社会フォーラム 3社合同忘年会にて使用したスライドです。

Kenji Saito

December 08, 2017
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  1. 1 2017
    — —
    / SFC
    [email protected]
    1 2017 — — 2017-12-08 – p.1/15

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  2. 1 2017 — — 2017-12-08 – p.2/15

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  3. 1
    1,400 /
    . . .
    1 2017 — — 2017-12-08 – p.3/15

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  4. : 1,000 /
    https://en.bitcoin.it/wiki/Mining_hardware_comparison
    1 2 4000Mhash/J
    4000MH(hash)/J = 4GH/J = 0.004TH/J
    10,000,000Thash/s ÷ 0.004Thash/J = 2,500,000,000J/s = 2.5GJ/s
    ⇒ J/s W( ) 2.5GW
    ( ) 600GW
    2.5GW 50
    2.5GW 2,500,000kW 24 60,000,000kWh
    1 300,000 60,000,000kWh ÷ 300,000 = 200kWh
    ⇒ 1 200kWh
    1 2017 — — 2017-12-08 – p.4/15

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  5. 9
    2 2
    1 2017 — — 2017-12-08 – p.5/15

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  6. 1 2017
    1 2017 — — 2017-12-08 – p.6/15

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  7. 1 2017
    3 : Hyperledger Fabric Active
    4 : Monacoin SegWit Activation ←
    5 : Litecoin SegWit Activation ←
    5 : Hyperledger Sawtooth Active
    5 : Hyperledger Iroha Active
    7 : Hyperledger Fabric v1.0
    8 : Bitcoin Cash
    8 : Bitcoin SegWit Activation
    10 : Ethereum Metropolis (Byzantium)
    10 : Beyond Blockchain One (BBc-1) v0.7
    1 2017 — — 2017-12-08 – p.7/15

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  8. Segregated Witness (SegWit)
    SegWit ( )
    1. (malleability)
    2.
    3.
    4.
    5.
    6. UTXO
    7.
    8. TX ←
    9.
    1 2017 — — 2017-12-08 – p.8/15

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  9. Ethereum Metropolis (Byzantium)
    Frontier
    Homestead
    Metropolis
    Byzantium (2017)
    zkSNARKs ( ) → Zcash on Ethereum (ZoE)
    Constantinople (2018)
    Serenity
    1 2017 — — 2017-12-08 – p.9/15

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  10. DAG
    DAG ( )
    DAG
    1 2017 — — 2017-12-08 – p.10/15

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  11. Beyond Blockchain One (BBc-1)
    1 2017 — — 2017-12-08 – p.11/15

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  12. Beyond Blockchain One (BBc-1)
    #JUDPJO
    ͦͷଞͷ
    ύϒϦοΫϨοδϟʔ
    BBc-1
    ΦʔϓϯͰύϒϦοΫͳɹ෼ࢄϨοδϟʔ
    ෼ࢄετϨʔδ؅ཧ
    αʔόϨε ۃྗϝΠϯςφϯεϑϦʔ
    ͳ࣮ߦ؀ڥ
    ΞϓϦέʔγϣϯ
    ͦ
    ͷ

    ͞
    ·
    ͟
    ·
    ͳ
    Ξ
    ϓ
    Ϧ
    ͷ
    Մ


    σδλϧ௨՟ 4%, σδλϧΞηοτ "1*
    ##D ։ൃ߲໨
    ҠߦΞγελϯτ

    Ҭ

    ՟
    Ξ
    ϓ
    Ϧ
    ϙ
    Π
    ϯ
    τ
    Ξ
    ϓ
    Ϧ




    Ξ
    ϓ
    Ϧ
    ʜ
    ॳظ
    λʔήοτ
    ॳظ
    λʔήοτ
    ॳظʹ͓͍ͯଘࡏূ໌Λґଘ
    ݸʑͷετϨʔδαʔϏε
    Մೳͳλʔήοτ
    2017 10 31 (https://github.com/beyond-blockchain/bbc1)
    1 2017 — — 2017-12-08 – p.12/15

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  13. Introducing BBc-1 —
    ਖ਼౰ੑͷอূ
    6590
    ࣝผࢠͱެ։ݤͷ෼཭
    υϝΠϯ಺Ͱͷݕূ
    ࠴ݖͱͯ͠ͷΞηοτ
    #Z[BOUJOF1BYPT౳
    ωΠςΟϒ௨՟Λ΋ͨͳ͍
    υϝΠϯ಺࣏ࣗ
    υϝΠϯؒͷཤྺަࠩ
    ॳظʹ͓͍ͯ͸ϒϩοΫνΣʔϯ΁ͷΞϯΧϦϯά
    ଘࡏͷূ໌ །Ұੑͷ߹ҙ Ψόφϯε
    https://beyond-blockchain.org
    offi[email protected]
    1 2017 — — 2017-12-08 – p.13/15

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  14. , — ( ), R&D
    1 2017 — — 2017-12-08 – p.14/15

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  15. 1 2017 — — 2017-12-08 – p.15/15

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