ブロックチェーン基礎講座 / Blockchain Overview at BLOCKCHAIN SUNDAY

2017年3月12日(日)、デジタルハリウッド大学 御茶ノ水ソラシティにて開催された WIRED BUSINESS BOOTCAMP, BLOCKCHAIN SUNDAY の OPENING LECTURE で使用したスライドです。

Transcript

1. P2P BLOCKCHAIN SUNDAY SFC / CSO ks91@sfc.wide.ad.jp — BLOCKCHAIN SUNDAY — 2017-03-12 – p.1/33
2. ( ) SFC ( ) CSO (Chief Science Officer) CEO 1993 M.Eng ( ) 2006 ( ) SFC 16 P2P 2011 → — BLOCKCHAIN SUNDAY — 2017-03-12 – p.2/33
3. ( ) (2013-2014) → . . . → — BLOCKCHAIN SUNDAY — 2017-03-12 – p.3/33
4. ( ) Satoshi Nakamoto — BLOCKCHAIN SUNDAY — 2017-03-12 – p.4/33
5. (by Satoshi Nakamoto) Satoshi ( ) (block; , ) (chain; ) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.5/33
6. ( ) P2P ( ) (double spending) ⇒ ( ) ← — BLOCKCHAIN SUNDAY — 2017-03-12 – p.6/33
7. /DLT ( ) Bitcoin ( ) Open Assets Protocol (OAP) ( ) Ethereum ( ) Enterprise Ethereum (↓ ) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth Lake (Intel), Iroha ( ) Corda (R3) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.7/33
8. (1) — — BLOCKCHAIN SUNDAY — 2017-03-12 – p.8/33
9. (2) — RSA, DSA, ECDSA ( DSA; ), etc. RSA ← ( ) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.9/33
10. ( ) 1. 10 ( ) 2. 3. 1 — BLOCKCHAIN SUNDAY — 2017-03-12 – p.10/33
11. /DLT End-to-End ( ) ( ) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.11/33
12. ( / ) EVM ( ) EVM (Ethereum Virtual Machine) Gas ( CPU ) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.12/33
13. — BLOCKCHAIN SUNDAY — 2017-03-12 – p.13/33
14. (Hyperledger ) ( ) ( ) ( ) IoT / / ( ) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.14/33
15. : . . . : Proof of Existence, Everledger, Factom, . . . (OP_RETURN ) ( ) ( ) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.15/33
16. ( KVS DHT) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.16/33
17. — BLOCKCHAIN SUNDAY — 2017-03-12 – p.17/33
18. (2014.2-2016.1) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.18/33
19. vs. — BLOCKCHAIN SUNDAY — 2017-03-12 – p.19/33
20. The DAO ( ) The DAO Split ( ) 360 ETH (50∼60 ) (6/17) ( ) ( ; ) (7/20 ) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.20/33
21. — BLOCKCHAIN SUNDAY — 2017-03-12 – p.21/33
22. : ⇒ ⇒ — BLOCKCHAIN SUNDAY — 2017-03-12 – p.22/33
23. Ether Ether Ether . . . BTC Everledger, Factom OAP ⇒ — BLOCKCHAIN SUNDAY — 2017-03-12 – p.23/33
24. 3 1. ( : UTXO ) ⇒ ( ) 2. ( : ) ⇒ 3. ( : ) TX ⇒ 2 3 — BLOCKCHAIN SUNDAY — 2017-03-12 – p.24/33
25. — BLOCKCHAIN SUNDAY — 2017-03-12 – p.25/33
26. Q. ( ) ( = / = ) ⇒ — BLOCKCHAIN SUNDAY — 2017-03-12 – p.26/33
27. ( ) / / — BLOCKCHAIN SUNDAY — 2017-03-12 – p.27/33
28. — 1. ( ) 2. ( ) 3. ( ) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.28/33
29. → 30 : × — BLOCKCHAIN SUNDAY — 2017-03-12 – p.29/33
30. OS (2007) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.30/33
31. Amazon Go → — BLOCKCHAIN SUNDAY — 2017-03-12 – p.31/33
32. ( JPY ) MUFG (“Cause-Oriented Economy”) ⇒ — BLOCKCHAIN SUNDAY — 2017-03-12 – p.32/33
33. — ( ) ( ↔ ) — BLOCKCHAIN SUNDAY — 2017-03-12 – p.33/33