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

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 1,400 / . . . 1 2017 — —

    2017-12-08 – p.3/15
  2. : 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
  3. 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
  4. Segregated Witness (SegWit) SegWit ( ) 1. (malleability) 2. 3.

    4. 5. 6. UTXO 7. 8. TX ← 9. 1 2017 — — 2017-12-08 – p.8/15
  5. Ethereum Metropolis (Byzantium) Frontier Homestead Metropolis Byzantium (2017) zkSNARKs (

    ) → Zcash on Ethereum (ZoE) Constantinople (2018) Serenity 1 2017 — — 2017-12-08 – p.9/15
  6. Beyond Blockchain One (BBc-1) #JUDPJO ͦͷଞͷ ύϒϦοΫϨοδϟʔ BBc-1 ΦʔϓϯͰύϒϦοΫͳɹ෼ࢄϨοδϟʔ ෼ࢄετϨʔδ؅ཧ

    αʔόϨε ۃྗϝΠϯςφϯεϑϦʔ ͳ࣮ߦ؀ڥ ΞϓϦέʔγϣϯ ͦ ͷ ଞ ͞ · ͟ · ͳ Ξ ϓ Ϧ ͷ Մ ೳ ੑ σδλϧ௨՟ 4%, σδλϧΞηοτ "1* ##D ։ൃ߲໨ ҠߦΞγελϯτ ஍ Ҭ ௨ ՟ Ξ ϓ Ϧ ϙ Π ϯ τ Ξ ϓ Ϧ དྷ ྺ ূ ໌ 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
  7. 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