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ブロックチェーン技術概論 / Overview of Blockchain Technology
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Kenji Saito
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January 31, 2020
Technology
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ブロックチェーン技術概論 / Overview of Blockchain Technology
2020年1月31日(金)、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「ブロックチェーン技術概論」にて使用したスライドです。
Kenji Saito
PRO
January 31, 2020
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Transcript
90 Chief Science Officer /
[email protected]
— — 2020-01-31 –
p.1/38
https://speakerdeck.com/ks91 — — 2020-01-31 – p.2/38
( ) SFC ( ) CSO (Chief Science Officer) 1993
( ) 2006 ( ) SFC 19 P2P (Peer-to-Peer) ( 9 ) 2011 2018 2019 ∼ 2019 ∼ REINVENT THE WORLD → ( ) — — 2020-01-31 – p.3/38
(1) (2017) : SF + + SF (2048 ) 2048
— — 2020-01-31 – p.4/38
(2) 2049 (2019) : ( ) SF (2004 2014 2034
) 2049 — — 2020-01-31 – p.5/38
— — 2020-01-31 – p.6/38
( ) ( )( ) — — 2020-01-31 – p.7/38
( ) ≥ ( / ) ( : TV )
— — 2020-01-31 – p.8/38
. . . YouTuber ( ) ( ) ( )
YouTube, Skype, etc. ??? YouTube Skype — — 2020-01-31 – p.9/38
1) = ( , , , ), = 2) 1)
3) 1) ( ) ⇒ ( ) ⇒ · / (dependable ) — — 2020-01-31 – p.10/38
/LT(Ledger Technology) ( ) Bitcoin ( ) Open Assets Protocol
(OAP) ( ) Ethereum ( ) ( ) EOS (↓ ) ( / LT) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth (Intel), Iroha ( ) Corda (R3), BBc-1 ( ), etc. — — 2020-01-31 – p.11/38
/ (1) 2,100 cm3 (cc) 1 1cm3 10 12.5cm3 ⇒
⇒ ( ) — — 2020-01-31 – p.12/38
/ (2) ( ) ( ) ( ) ( )
( ) → ( ) — — 2020-01-31 – p.13/38
∼ UTXO (= ) → — — 2020-01-31 – p.14/38
∼ ท൪߸O ท൪߸O ท൪߸O લทͷμΠδΣετ λʔήοτҎԼͰͳ͍ͱ͍͚ͳ͍ Έͩ͠ίʔφʔ μΠδΣετ͕λʔήοτҎԼʹͳΔΑ͏ʹೖΕΔదͳ༰
( ) → — — 2020-01-31 – p.15/38
∼ ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O
ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ͬͪ͜ͷྺ࢙͕༗ޮ ( ) — — 2020-01-31 – p.16/38
/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 — — 2020-01-31 – p.17/38
: ( ( ) ) — — 2020-01-31 – p.18/38
(Hyperledger ) ( ) ( ) ( ) ( )
IoT / / ( , ) — — 2020-01-31 – p.19/38
: . . . : Proof of Existence, Everledger, Factom,
. . . ( ) ( ) / × = — — 2020-01-31 – p.20/38
(1) — — 2020-01-31 – p.21/38
(2) ( ) ( ) ( ) — — 2020-01-31
– p.22/38
( ) ( ) / ( ) : : —
— 2020-01-31 – p.23/38
— — 2020-01-31 – p.24/38
( ) ( ) ( vs. ) ( ) (
) ( ) ⇒ ( : BBc-1) DLT : : — — 2020-01-31 – p.25/38
/ Bitcoin, Ethereum DLT BBc-1 ( ) ( ) (
) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ެڞۭؒ ɾτϥϯβΫγϣϯͷূڌΛແؔͳྺ࢙͕อ༗ ɾͲΕ͔ͷாΛແໃ६ʹॻ͖͑ͯূڌ͕Δ τϥϯβΫγϣϯ ா υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ Ethereum ( ) → — — 2020-01-31 – p.26/38
— — 2020-01-31 – p.27/38
( ) (by ) (since 1984) ( ) ( )
( ) . . . ( ) Libra — — 2020-01-31 – p.28/38
( ) ( ) ( ) ( , ) (
) ( ) (by ) — — 2020-01-31 – p.29/38
: ⇒ LINE → → ( ) ( ) ⇒
( ) → → → . . . — — 2020-01-31 – p.30/38
( ) / / — — 2020-01-31 – p.31/38
— 1. ( ) 2. ( ) 3. ( )
— — 2020-01-31 – p.32/38
→ 30 : × — — 2020-01-31 – p.33/38
Amazon Go → — — 2020-01-31 – p.34/38
( JPY ) (MUFG) J S (“Cause-Oriented Economy”) ⇒ —
— 2020-01-31 – p.35/38
(4 ) ( ) — — 2020-01-31 – p.36/38
( ) → (AI ) → ← → → /
/ — — 2020-01-31 – p.37/38
— — 2020-01-31 – p.38/38