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ブロックチェーン技術概論 / Introduction to Blockchain Technology
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Kenji Saito
PRO
January 19, 2022
Technology
0
360
ブロックチェーン技術概論 / Introduction to Blockchain Technology
2022年1月19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
PRO
January 19, 2022
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Transcript
90 Chief Science Officer /
[email protected]
— — 2022-01-19 –
p.1/36
https://speakerdeck.com/ks91 — — 2022-01-19 – p.2/36
( ) SFC ( ) CSO (Chief Science Officer) 1993
( ) 2006 ( ) SFC 21 P2P (Peer-to-Peer) 2011 2018 2019 VR 2021.7 VR 2021.8 “ALL THESE WORLDS ARE YOURS” VR 2021.9 & VR 2021.12 ( (VR) ) → ( ) — — 2022-01-19 – p.3/36
— — 2022-01-19 – p.4/36
( ) ( )( ) — — 2022-01-19 – p.5/36
( ) ≥ ( / ) ( : TV )
— — 2022-01-19 – p.6/36
. . . Bitcoin YouTuber ( ) ( ) (
) ( ) Bitcoin ( ) YouTube, Zoom, etc. ??? YouTube Zoom ( ) — — 2022-01-19 – p.7/36
↓ (1) ( ) (2) (3) ( ) — —
2022-01-19 – p.8/36
/LT(Ledger Technology) ( ) Bitcoin ( ) Open Assets Protocol
(OAP) ( ) Ethereum ( ) ( ) Polkadot (Ethereum 2.0 LT ) ( / LT) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth (Intel), Iroha ( ), Indy (Sovrin), Besu (ConsenSys) Corda (R3), BBc-1 ( ), etc. — — 2022-01-19 – p.9/36
/ (1) 2,100 cm3 (cc) 1 1cm3 10 6.25cm3 ⇒
⇒ ( ) — — 2022-01-19 – p.10/36
/ (2) ( ) ( ) ( ) ( )
( ) → ( ) — — 2022-01-19 – p.11/36
∼ UTXO (= ) → — — 2022-01-19 – p.12/36
∼ ท൪߸O ท൪߸O ท൪߸O લทͷμΠδΣετ λʔήοτҎԼͰͳ͍ͱ͍͚ͳ͍ Έͩ͠ίʔφʔ μΠδΣετ͕λʔήοτҎԼʹͳΔΑ͏ʹೖΕΔదͳ༰
( ) → — — 2022-01-19 – p.13/36
∼ ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O
ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ͬͪ͜ͷྺ࢙͕༗ޮ ( ) — — 2022-01-19 – p.14/36
/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 — — 2022-01-19 – p.15/36
: ( ( ) ) — — 2022-01-19 – p.16/36
(Hyperledger ) ( ) ( ) ( ) ( )
IoT / / ( , ) — — 2022-01-19 – p.17/36
: . . . : Proof of Existence, Everledger, .
. . ( ) ( ) / × = NFT (Non Fungible Token) — — 2022-01-19 – p.18/36
(1) — — 2022-01-19 – p.19/36
(2) ( ) ( ) ( ) — — 2022-01-19
– p.20/36
( ) ( ) / ( ) : : ,
← W3C Verifiable Credentials — — 2022-01-19 – p.21/36
— — 2022-01-19 – p.22/36
( ) ( ) ( vs. ) ( ) (
) ( ) ⇒ ( : BBc-1) DLT : : — — 2022-01-19 – p.23/36
/ Bitcoin, Ethereum DLT BBc-1 ( ) ( ) (
) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ެڞۭؒ ɾτϥϯβΫγϣϯͷূڌΛແؔͳྺ࢙͕อ༗ ɾͲΕ͔ͷாΛແໃ६ʹॻ͖͑ͯূڌ͕Δ τϥϯβΫγϣϯ ா υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ υϝΠϯ ϩʔΧϧۭؒ Ethereum ( ) → — — 2022-01-19 – p.24/36
— — 2022-01-19 – p.25/36
( ) (by ) (since 1984) ( ) ( )
( ) . . . ( ) Diem ( Libra) — — 2022-01-19 – p.26/36
( ) ( ) ( ) ( , ) (
) ( ) (by ) — — 2022-01-19 – p.27/36
: ⇒ LINE → → ( ) ( ) ⇒
( ) → → → . . . — — 2022-01-19 – p.28/36
( ( )) ( ) / / — — 2022-01-19
– p.29/36
— 1. ( ) 2. ( ) 3. ( )
— — 2022-01-19 – p.30/36
→ 30 : × — — 2022-01-19 – p.31/36
Amazon Go → — — 2022-01-19 – p.32/36
( JPY ) (MUFG) S (CBDC) (“Cause-Oriented Economy”) ⇒ —
— 2022-01-19 – p.33/36
(4 ) ( ) — — 2022-01-19 – p.34/36
( ) → (AI ) → ← → → /
/ — — 2022-01-19 – p.35/36
— — 2022-01-19 – p.36/36