2018年6月25日(月)、早稲田大学 大学院経営管理研究科の授業「フィンテック ─ 金融革新とインターネット」第5-6回で使用したスライドです。
—5-6— 2018( )[email protected]— 2018 5-6 — 2018-06-25 – p.1/77
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( )1 6 11 (1) •2 6 11 (2) •3 6 18 (1) •4 6 18 (2) •5 6 25 (1) •6 6 25 (2) •7 7 2 (1)8 7 2 (2)9 7 9 (2018 APSIG : Asia Pacific School on Internet Governance)10 7 9 (2018 APSIG)11 7 16 (1)12 7 16 (2)13 7 23 (1)14 7 23 (2)15 7 30 (1)16 7 30 (2)— 2018 5-6 — 2018-06-25 – p.2/77
( ) ( )DASF /— 2018 5-6 — 2018-06-25 – p.3/77
DASF /https://dasf.globalP2P OS(3D )— 2018 5-6 — 2018-06-25 – p.4/77
2018SFC ( )1 : 8 4 ( )∼8 ( ) [4 5 ]2 : 8 20 ( )∼24 ( ) [4 5 ]5,000 ( )( )/ /https://academy-camp.org/2018/06/12/acamp2018s-staff-cfp/— 2018 5-6 — 2018-06-25 – p.5/77
SF— 2018 5-6 — 2018-06-25 – p.6/77
WIRED vol.25 The Power of Blockchain(2016):5Family( )— 2018 5-6 — 2018-06-25 – p.7/77
SFC⇒— 2018 5-6 — 2018-06-25 – p.8/77
— 2018 5-6 — 2018-06-25 – p.9/77
1.2.3.4.5.6.7. :8.— 2018 5-6 — 2018-06-25 – p.10/77
1.— 2018 5-6 — 2018-06-25 – p.11/77
2.(1) (end; )(2)2018 6 23 ( ) 17:59 JSTCourse N@vi— 2018 5-6 — 2018-06-25 – p.12/77
24 21 (6/24 11:00 ), , ,(correspondent; ), , , , , ,, , , , , ,,— 2018 5-6 — 2018-06-25 – p.13/77
S2011⇒↔↔— 2018 5-6 — 2018-06-25 – p.14/77
SDASF( ). . .⇒and/or— 2018 5-6 — 2018-06-25 – p.15/77
K“ ” “ ”. . .( )⇒/ = , / =— 2018 5-6 — 2018-06-25 – p.16/77
K◦◦⇒=— 2018 5-6 — 2018-06-25 – p.17/77
Y⇒( )— 2018 5-6 — 2018-06-25 – p.18/77
U⇒— 2018 5-6 — 2018-06-25 – p.19/77
2.— 2018 5-6 — 2018-06-25 – p.20/77
— 2018 5-6 — 2018-06-25 – p.21/77
SHA-1https://shattered.it2017 2 Google(CWI)— 2018 5-6 — 2018-06-25 – p.22/77
— 2018 5-6 — 2018-06-25 – p.23/77
(RSA)RSA (RSA : Rivest, Shamir, Adleman)ECDSA ( DSA : Digital Signature Algorithm)— 2018 5-6 — 2018-06-25 – p.24/77
: < , >:: < , , >: OK NG— 2018 5-6 — 2018-06-25 – p.25/77
( ) ← CA— 2018 5-6 — 2018-06-25 – p.26/77
3.(by Satoshi Nakamoto)Satoshi( )(block; , ) ←(chain; ) ←— 2018 5-6 — 2018-06-25 – p.27/77
1)2)3)⇒⇒·/ (dependable )— 2018 5-6 — 2018-06-25 – p.28/77
(1)( )⇒ P2P⇒ ( )— 2018 5-6 — 2018-06-25 – p.29/77
(2)(double spending) ( )⇒⇒ ( )→( ) ( )⇒ → →⇒ →— 2018 5-6 — 2018-06-25 – p.30/77
—— 2018 5-6 — 2018-06-25 – p.31/77
(1)2,100 cm3 (cc)1 1cm3( )1012.5cm3→104( 21 )2009 1 50cm3— 2018 5-6 — 2018-06-25 – p.32/77
(2). . .→— 2018 5-6 — 2018-06-25 – p.33/77
∼ท൪߸O ท൪߸O ท൪߸OલทͷμΠδΣετλʔήοτҎԼͰͳ͍ͱ͍͚ͳ͍ Έͩ͠ίʔφʔμΠδΣετ͕λʔήοτҎԼʹͳΔΑ͏ʹೖΕΔదͳ༰ ( )— 2018 5-6 — 2018-06-25 – p.34/77
∼ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸Oϖʔδ൪߸O ϖʔδ൪߸O ϖʔδ൪߸Oϖʔδ൪߸Oͬͪ͜ͷྺ࢙͕༗ޮ()— 2018 5-6 — 2018-06-25 – p.35/77
( )1. 10 ( )2.3. 1— 2018 5-6 — 2018-06-25 – p.36/77
/DLT(Distributed Ledger Technology)ਖ਼ੑͷอূྫ6590ߏͱσδλϧॺ໊ଘࡏੑͷূ໌ྫ࡞ۀূ໌͖ϋογϡνΣʔϯ།Ұੑͷ߹ҙྫφΧϞτɾίϯηϯαεϧʔϧͷهड़ྫ#5$ͷҠసɾτϥϯβΫγϣϯͷ༰͕վ͟ΜͰ͖ͣɺɾͦͷΞηοτʹؔ͢ΔաڈͷτϥϯβΫγϣϯྻʹরΒͯ͠ໃ६͕ͳ͘ɺɾ͔ͭɺਖ਼ͳϢʔβʹΑΓೖ͞Ε͍ͯΔ͜ͱΛอূ͢Δɾաڈʹ͋ͬͨτϥϯβΫγϣϯͷূڌΛຣফͰ͖ͣɺɾ͔ͭɺաڈʹͳ͔ͬͨτϥϯβΫγϣϯͷূڌΛ፻Ͱ͖ͳ͍ɾໃ६͢Δ;ͨͭͷτϥϯβΫγϣϯ͕ೖ͞Εͨ߹ɺɹ ͍ͣΕ ؔ༩͢Δશһ͕ಉ͡ยํΛબΜͰྺ࢙ͷதʹҐஔ͚ͮΔɾΞϓϦέʔγϣϯϩδοΫ Կ͕ਖ਼͍͠τϥϯβΫγϣϯ͔ΛܾΊΔ End-to-End( ) ( )— 2018 5-6 — 2018-06-25 – p.37/77
— 2018 5-6 — 2018-06-25 – p.38/77
10 WaCoWaCo : Waseda Coin1)2)— 2018 5-6 — 2018-06-25 – p.39/77
⇒— 2018 5-6 — 2018-06-25 – p.40/77
4.— 2018 5-6 — 2018-06-25 – p.41/77
(Hyperledger )( )( )( )IoT/ /( )— 2018 5-6 — 2018-06-25 – p.42/77
: . . .: Proof of Existence, Everledger, Factom, . . .( )( )( )— 2018 5-6 — 2018-06-25 – p.43/77
( KVS DHT)— 2018 5-6 — 2018-06-25 – p.44/77
5.— 2018 5-6 — 2018-06-25 – p.45/77
(2009.1-2018.6): 2. . .— 2018 5-6 — 2018-06-25 – p.46/77
vs.— 2018 5-6 — 2018-06-25 – p.47/77
The DAO ( )The DAOSplit ( ) 360 ETH (50∼60 ) (2016/6/17)( → )( → ; )( )(2016/7/20 )— 2018 5-6 — 2018-06-25 – p.48/77
— 2018 5-6 — 2018-06-25 – p.49/77
:⇒⇒— 2018 5-6 — 2018-06-25 – p.50/77
EtherEtherEther( ) EtherEther ( ). . .. . .BTCEverledger, Factom⇒( )— 2018 5-6 — 2018-06-25 – p.51/77
31. ( : UTXO )⇒ ( )2. ( : )⇒3. ( : )TX ⇒2 3— 2018 5-6 — 2018-06-25 – p.52/77
/DLTBitcoin, Ethereum DLT BBc-1( )( ) ( ) ( ) ( )( )( ) ( ) ( )Ethereum( ) ( )— 2018 5-6 — 2018-06-25 – p.53/77
( ( ))( )DLT ( )( )( ). . .BBc-1 ( )— 2018 5-6 — 2018-06-25 – p.54/77
→( )— 2018 5-6 — 2018-06-25 – p.55/77
C V C ≥ VBitcoin ( ) bitcoinBitcoin ( )EthereumDLT ( )BBc-1 ( ) ( )C ≥ V(proactive) (introspection ( ) )( )— 2018 5-6 — 2018-06-25 – p.56/77
— 2018 5-6 — 2018-06-25 – p.57/77
Ethereum ( )( )⇒ (Casper)( )⇒ ZoE (Zcash on Ethereum)( vs. )( )⇒ Plasma( )⇒ ( ) (Benevolent Dictator For Life (BDFL))( )⇒— 2018 5-6 — 2018-06-25 – p.58/77
BBc-1 ( )( )⇒( )⇒( vs. )( )⇒ DHT( )⇒ ( )( )⇒— 2018 5-6 — 2018-06-25 – p.59/77
6.— 2018 5-6 — 2018-06-25 – p.60/77
( )(by ) (since 1984) ( ) ( )( ). . .( )⇒ . . .— 2018 5-6 — 2018-06-25 – p.61/77
( )( ) ( ) ( ) ( )(by )— 2018 5-6 — 2018-06-25 – p.62/77
Q. ( )( = / = )⇒— 2018 5-6 — 2018-06-25 – p.63/77
( )( ) ( )— 2018 5-6 — 2018-06-25 – p.64/77
( )( )//— 2018 5-6 — 2018-06-25 – p.65/77
— ( )1. ( )2. ( )3. ( )— 2018 5-6 — 2018-06-25 – p.66/77
→ 30: ×— 2018 5-6 — 2018-06-25 – p.67/77
OS (2007)— 2018 5-6 — 2018-06-25 – p.68/77
Amazon Go→— 2018 5-6 — 2018-06-25 – p.69/77
( JPY )MUFG J S(“Cause-Oriented Economy”)⇒— 2018 5-6 — 2018-06-25 – p.70/77
(4 )( )— 2018 5-6 — 2018-06-25 – p.71/77
→(AI )→←→→/ /— 2018 5-6 — 2018-06-25 – p.72/77
( )( )— 2018 5-6 — 2018-06-25 – p.73/77
7. :— 2018 5-6 — 2018-06-25 – p.74/77
8.— 2018 5-6 — 2018-06-25 – p.75/77
3.2018 6 30 ( ) 17:59 JSTCourse N@vi— 2018 5-6 — 2018-06-25 – p.76/77
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