5G時代の分散レッジャー技術と社会基盤 / Distributed Ledger Technology and Social Foundation for 5G Era

2016年7月6日、青山オーバルビルにて開催された第3回 5Gアプリケーション研究会にてお話した際のスライドです。

Transcript

1. 5G ∼ 5G ∼ SFC ks91@sfc.wide.ad.jp 5G – 5G – 2016-07-06 – p.1/38
2. 7 6 2013 Winny P2P P2P 5G – 5G – 2016-07-06 – p.2/38
3. ( ) SFC ( ) CSO (Chief Science Officer) 1993 M.Eng ( ) 2006 ( ) DMC SFC 15 P2P ⇒ 5G – 5G – 2016-07-06 – p.3/38
4. (2016) 3 2 5G – 5G – 2016-07-06 – p.4/38
5. 2008 ( ) 5G IoT (Internet of Things) IoT 5G 5G – 5G – 2016-07-06 – p.5/38
6. 0. FinTech/LegalTech 1. 2. 3. 5G – 5G – 2016-07-06 – p.6/38
7. 0. FinTech/LegalTech Financial/Legal Technology ⇒ IoT 5G – 5G – 2016-07-06 – p.7/38
8. 1. ( ) ( ) 5G – 5G – 2016-07-06 – p.8/38
9. ( ) ( ) ← (TX) (TX) ← ( : ) ( ) “A timestamp server works by taking a hash of a block of items to be timestamped and widely publishing the hash, such as in a newspaper or Usenet post” “To implement a distributed timestamp server on a peer-to-peer basis, we will need to use a proof-of-work system similar to Adam Back’s Hashcash, rather than newspaper or Usenet posts” – Satoshi Nakamoto (2008) 5G – 5G – 2016-07-06 – p.9/38
10. - 5G – 5G – 2016-07-06 – p.10/38
11. - RSA, DSA, ECDSA ( DSA) ( RSA ) PKI 5G – 5G – 2016-07-06 – p.11/38
12. ( ) 1. 10 ( ) 2. 3. 1 5G – 5G – 2016-07-06 – p.12/38
13. ( ) M A 60BTC 5G – 5G – 2016-07-06 – p.13/38
14. Proof of Work : Hashcash (1997) SHA-1 20 ( ) 0 1 1 / 5G – 5G – 2016-07-06 – p.14/38
15. ( ) 5G – 5G – 2016-07-06 – p.15/38
16. ( ) 5G – 5G – 2016-07-06 – p.16/38
17. POW Proof Of Work ( ) . . . . . . 5G – 5G – 2016-07-06 – p.17/38
18. 2 5G – 5G – 2016-07-06 – p.18/38
19. End-to-End ( ) ( ) 5G – 5G – 2016-07-06 – p.19/38
20. 3 1. ⇒ 2. ⇒ 3. TX ⇒ 5G – 5G – 2016-07-06 – p.20/38
21. 2. OS 5G – 5G – 2016-07-06 – p.21/38
22. (Hyperledger ) ( ) ( ) ( ) IoT / / 5G – 5G – 2016-07-06 – p.22/38
23. ( ) : . . . : Proof of Existence : : . . . 5G – 5G – 2016-07-06 – p.23/38
24. 5G – 5G – 2016-07-06 – p.24/38
25. : (1600) (1865) 5G – 5G – 2016-07-06 – p.25/38
26. DAC/DAO Distributed/Decentralized Autonomous Corporation/Organization - : . . . 5G – 5G – 2016-07-06 – p.26/38
27. OS (2007) 5G – 5G – 2016-07-06 – p.27/38
28. OS FinTech/LegalTech NPO/NGO 5G – 5G – 2016-07-06 – p.28/38
29. Vitalik Buterin, “Ethereum White Paper: A NEXT GENERATION SMART CONTRACT & DECENTRALIZED APPLICATION PLATFORM” : 5G – 5G – 2016-07-06 – p.29/38
30. 3. vs. The DAO 5G – 5G – 2016-07-06 – p.30/38
31. vs. 5G – 5G – 2016-07-06 – p.31/38
32. IoT IoT . . . ( ) I/O EVM ( ) ( ) . . . I/O cf. ADEPT by IBM ( ) 5G – 5G – 2016-07-06 – p.32/38
33. 5G – 5G – 2016-07-06 – p.33/38
34. The DAO The DAO Split ( ) 360 ETH (6/17) 27 ( ) ( ) ( ; ) 5G – 5G – 2016-07-06 – p.34/38
35. e.g. e.g. (Hyperledger) (Fabric) PBFT (Practical Byzantine Fault Tolerance) e.g. Chain Open Standard SBFT (Simple Byzantine Fault Tolerance) ( ) 5G – 5G – 2016-07-06 – p.35/38
36. / , ← 2.0 , NEM ← eris, mijin, Orb 1 ← ← (Fabric), Chain OS ← (Practical) BFT ( ) 5G – 5G – 2016-07-06 – p.36/38
37. (?) R3 Corda ( ) iota/tangle (IoT ) iota : IoT , tangle : ; 5G 5G – 5G – 2016-07-06 – p.37/38
38. OK ⇒ 5G – 5G – 2016-07-06 – p.38/38