Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
イーサリアムとスマートコントラクト / Ethereum and Smart Contracts
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
Kenji Saito
PRO
July 19, 2017
Technology
0
890
イーサリアムとスマートコントラクト / Ethereum and Smart Contracts
ブロックチェーンハブ主催で開催しているブロックチェーン基盤技術講義『イーサリアムとスマートコントラクト』のスライドです。2017年7月19日(水) に使用しました。
Kenji Saito
PRO
July 19, 2017
Tweet
Share
More Decks by Kenji Saito
See All by Kenji Saito
アナログAI からの逃走とメタ・ネイチャーポジティブ / Escape from Analog AI, and Meta-Nature Positive
ks91
PRO
0
4
AI 前提社会におけるトラスト / Trust in an AI-Driven Society
ks91
PRO
0
14
非営利組織の起業/発表と総括 / Starting up a Nonprofit Organization, Presentation and Summary
ks91
PRO
0
57
自己開発 / Self-Development
ks91
PRO
1
22
あなたは何によって憶えられたいですか? / What Do You Want to be Remembered for?
ks91
PRO
0
28
ボランティアと理事会 / Volunteers and Board of Directors
ks91
PRO
0
44
メタ・ネイチャーポジティブへの道 / The Path to Meta Nature Positive
ks91
PRO
0
35
アカデミーキャンプ2026 初春「ミライ、ゲーミファイ」DAY 3 / Academy Camp 2026 Early Spring "GAMIFY THE FUTURE!!" DAY 3
ks91
PRO
0
52
アカデミーキャンプ2026 初春「ミライ、ゲーミファイ」DAY 2 / Academy Camp 2026 Early Spring "GAMIFY THE FUTURE!!" DAY 2
ks91
PRO
0
87
Other Decks in Technology
See All in Technology
顧客との商談議事録をみんなで読んで顧客解像度を上げよう
shibayu36
0
250
仕様書駆動AI開発の実践: Issue→Skill→PRテンプレで 再現性を作る
knishioka
2
670
ファインディの横断SREがTakumi byGMOと取り組む、セキュリティと開発スピードの両立
rvirus0817
1
1.4k
FinTech SREのAWSサービス活用/Leveraging AWS Services in FinTech SRE
maaaato
0
130
Sansan Engineering Unit 紹介資料
sansan33
PRO
1
3.9k
予期せぬコストの急増を障害のように扱う――「コスト版ポストモーテム」の導入とその後の改善
muziyoshiz
1
2k
Agent Skils
dip_tech
PRO
0
110
Contract One Engineering Unit 紹介資料
sansan33
PRO
0
13k
15 years with Rails and DDD (AI Edition)
andrzejkrzywda
0
200
StrandsとNeptuneを使ってナレッジグラフを構築する
yakumo
1
120
Agile Leadership Summit Keynote 2026
m_seki
1
630
ランサムウェア対策としてのpnpm導入のススメ
ishikawa_satoru
0
170
Featured
See All Featured
Automating Front-end Workflow
addyosmani
1371
200k
Building an army of robots
kneath
306
46k
Bridging the Design Gap: How Collaborative Modelling removes blockers to flow between stakeholders and teams @FastFlow conf
baasie
0
450
Optimising Largest Contentful Paint
csswizardry
37
3.6k
Hiding What from Whom? A Critical Review of the History of Programming languages for Music
tomoyanonymous
2
420
Utilizing Notion as your number one productivity tool
mfonobong
3
220
[RailsConf 2023] Rails as a piece of cake
palkan
59
6.3k
Navigating Algorithm Shifts & AI Overviews - #SMXNext
aleyda
0
1.1k
The Limits of Empathy - UXLibs8
cassininazir
1
220
Data-driven link building: lessons from a $708K investment (BrightonSEO talk)
szymonslowik
1
910
Embracing the Ebb and Flow
colly
88
5k
Are puppies a ranking factor?
jonoalderson
1
2.7k
Transcript
CSO / SFC
[email protected]
— — 2017-07-19 – p.1/40
( ) SFC ( ) CSO (Chief Science Officer) CEO
1993 M.Eng ( ) 2006 ( ) SFC 16 P2P 2011 → ( ) — — 2017-07-19 – p.2/40
(EVM) — — 2017-07-19 – p.3/40
1. 2. (Ethereum) 3. 4. 5. OS 6. — —
2017-07-19 – p.4/40
1. — — 2017-07-19 – p.5/40
— — 2017-07-19 – p.6/40
. . . — — 2017-07-19 – p.7/40
vs. — — 2017-07-19 – p.8/40
1. ⇒ ( ) ⇒ 2. ⇒ ⇒ 3. ⇒
— — 2017-07-19 – p.9/40
(by ) 1. 2. ( ) ( ) . .
. cf. by McLuhan cf. by McLuhan — — 2017-07-19 – p.10/40
⇒ : ⇒ — — 2017-07-19 – p.11/40
⇒ : ⇒ — — 2017-07-19 – p.12/40
2. (Ethereum) EVM (Ethereum Virtual Machine) — — 2017-07-19 –
p.13/40
Vitalik Buterin, “Ethereum White Paper: A NEXT GENERATION SMART CONTRACT
& DECENTRALIZED APPLICATION PLATFORM” 15 — — 2017-07-19 – p.14/40
= run — — 2017-07-19 – p.15/40
Ether Ethereum EOA : Externally-Owned Account Ether EVM EVM —
— 2017-07-19 – p.16/40
EVM : Ethereum Virtual Machine Gas — — 2017-07-19 –
p.17/40
3. — — 2017-07-19 – p.18/40
EVM : . . . : Solidity — JavaScript LLL
— Lisp — — 2017-07-19 – p.19/40
Solidity ( ) pragma solidity ˆ0.4.8; contract IndivisibleAsset { /*
*/ string public _name; string public _symbol; uint256 public _quantity; address public _owner; function IndivisibleAsset(string name, string symbol, uint256 quantity) { _name = name; _symbol = symbol; _quantity = quantity; _owner = msg.sender; } function transfer(address to) { if (_owner != msg.sender) { throw; } _owner = to; } } — — 2017-07-19 – p.20/40
Solidity JavaScript ( , ) (constructor) ( ) ( )
Ether — — 2017-07-19 – p.21/40
— — 2017-07-19 – p.22/40
4. ADEPT — — 2017-07-19 – p.23/40
ADEPT ADEPT : IBM IoT → — — 2017-07-19 –
p.24/40
. . . — — 2017-07-19 – p.25/40
⇒ — — 2017-07-19 – p.26/40
The DAO ( ) The DAO Split ( ) 360
ETH (50∼60 ) (2016/6/17) ( ) ( ; ) (2016/7/20 ) — — 2017-07-19 – p.27/40
5. OS — — 2017-07-19 – p.28/40
OS (2007) — — 2017-07-19 – p.29/40
OS ↑ cf. NPO/NGO — — 2017-07-19 – p.30/40
OS — — 2017-07-19 – p.31/40
Uber — — 2017-07-19 – p.32/40
Uber Uber P2P + Uber — — 2017-07-19 – p.33/40
6. / . . . — — 2017-07-19 – p.34/40
( ) / / — — 2017-07-19 – p.35/40
— 1. ( ) 2. ( ) 3. ( )
— — 2017-07-19 – p.36/40
Communicating Promises in the Air CPA : Communicating Promises in
the Air etc. → — — 2017-07-19 – p.37/40
10 12 → 120 120 12 12 120 — —
2017-07-19 – p.38/40
— — 2017-07-19 – p.39/40
— — 2017-07-19 – p.40/40