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
ブロックチェーン概論 / Overview of Blockchains
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Kenji Saito
PRO
November 10, 2017
Technology
0
130
ブロックチェーン概論 / Overview of Blockchains
2017年10月10日(金)、Clip ニホンバシにて開催したブロックチェーンアカデミー「ブロックチェーン概論」にて使用したスライドです。
Kenji Saito
PRO
November 10, 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
46
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
量子クラウドサービスの裏側 〜Deep Dive into OQTOPUS〜
oqtopus
0
130
FinTech SREのAWSサービス活用/Leveraging AWS Services in FinTech SRE
maaaato
0
130
Context Engineeringが企業で不可欠になる理由
hirosatogamo
PRO
3
610
Introduction to Bill One Development Engineer
sansan33
PRO
0
360
今日から始めるAmazon Bedrock AgentCore
har1101
4
410
What happened to RubyGems and what can we learn?
mikemcquaid
0
300
小さく始めるBCP ― 多プロダクト環境で始める最初の一歩
kekke_n
1
440
Tebiki Engineering Team Deck
tebiki
0
24k
マーケットプレイス版Oracle WebCenter Content For OCI
oracle4engineer
PRO
5
1.6k
Amazon S3 Vectorsを使って資格勉強用AIエージェントを構築してみた
usanchuu
3
450
Embedded SREの終わりを設計する 「なんとなく」から計画的な自立支援へ
sansantech
PRO
3
2.5k
OpenShiftでllm-dを動かそう!
jpishikawa
0
120
Featured
See All Featured
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
49
9.9k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
249
1.3M
How Fast Is Fast Enough? [PerfNow 2025]
tammyeverts
3
450
Data-driven link building: lessons from a $708K investment (BrightonSEO talk)
szymonslowik
1
910
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.7k
Crafting Experiences
bethany
1
49
Principles of Awesome APIs and How to Build Them.
keavy
128
17k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
35
2.4k
AI Search: Where Are We & What Can We Do About It?
aleyda
0
7k
A better future with KSS
kneath
240
18k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
21
1.4k
Making the Leap to Tech Lead
cromwellryan
135
9.7k
Transcript
CSO / SFC
[email protected]
— — 2017-10-13 – p.1/40
( ) SFC ( ) CSO (Chief Science Officer) 1993
M.Eng ( ) 2006 ( ) SFC 17 P2P 2011 → ( ) — — 2017-10-13 – p.2/40
— — 2017-10-13 – p.3/40
(by Satoshi Nakamoto) Satoshi ( ) (block; , ) (chain;
) — — 2017-10-13 – p.4/40
( ) P2P ( ) (double spending) ⇒ ( )
← — — 2017-10-13 – p.5/40
1) 2) 3) ⇒ ⇒ — — 2017-10-13 – p.6/40
/DLT(Distributed Ledger Technology) ( ) Bitcoin ( ) Open Assets
Protocol (OAP) ( ) Ethereum ( ) ( ) Enterprise Ethereum Alliance (↓ ) (DLT) ( ) Hyperledger (Linux Foundation) Fabric (IBM/DAH), Sawtooth (Intel), Iroha ( ) Corda (R3), Tangle (IOTA) — — 2017-10-13 – p.7/40
Beyond Blockchain One (BBc-1) #JUDPJO ͦͷଞͷ ύϒϦοΫϨοδϟʔ BBc-1 ΦʔϓϯͰύϒϦοΫͳɹࢄϨοδϟʔ ࢄετϨʔδཧ
αʔόϨε ۃྗϝΠϯςφϯεϑϦʔ ͳ࣮ߦڥ ΞϓϦέʔγϣϯ ͦ ͷ ଞ ͞ · ͟ · ͳ Ξ ϓ Ϧ ͷ Մ ೳ ੑ σδλϧ௨՟ 4%, σδλϧΞηοτ "1* ##D ։ൃ߲ ҠߦΞγελϯτ Ҭ ௨ ՟ Ξ ϓ Ϧ ϙ Π ϯ τ Ξ ϓ Ϧ དྷ ྺ ূ ໌ Ξ ϓ Ϧ ʜ ॳظ λʔήοτ ॳظ λʔήοτ ॳظʹ͓͍ͯଘࡏূ໌Λґଘ ݸʑͷετϨʔδαʔϏε Մೳͳλʔήοτ 2017 10 31 (https://github.com/beyond-blockchain/bbc1) — — 2017-10-13 – p.8/40
(1) — — — 2017-10-13 – p.9/40
(2) — RSA, DSA, ECDSA ( DSA; ), etc. RSA
← ( ) — — 2017-10-13 – p.10/40
( ) 1. 10 ( ) 2. 3. 1 —
— 2017-10-13 – p.11/40
/DLT End-to-End ( ) ( ) — — 2017-10-13 –
p.12/40
( / ) EVM ( ) EVM (Ethereum Virtual Machine)
Gas ( CPU ) — — 2017-10-13 – p.13/40
— — 2017-10-13 – p.14/40
(Hyperledger ) ( ) ( ) ( ) IoT /
/ ( , ) — — 2017-10-13 – p.15/40
: . . . : Proof of Existence, Everledger, Factom,
. . . (OP_RETURN ) ( ) ( ) — — 2017-10-13 – p.16/40
( KVS DHT) — — 2017-10-13 – p.17/40
— — 2017-10-13 – p.18/40
(2009 1 ∼2017 11 ) 2 → 2 2 →
— — 2017-10-13 – p.19/40
vs. — — 2017-10-13 – p.20/40
The DAO ( ) The DAO Split ( ) 360
ETH (50∼60 ) (2016/6/17) ( → ) ( → ; ) ( ) (2016/7/20 ) — — 2017-10-13 – p.21/40
— — 2017-10-13 – p.22/40
: ⇒ ⇒ — — 2017-10-13 – p.23/40
Ether Ether Ether . . . BTC Everledger, Factom OAP
⇒ — — 2017-10-13 – p.24/40
3 1. ( : UTXO ) ⇒ ( ) 2.
( : ) ⇒ 3. ( : ) TX ⇒ 2 3 — — 2017-10-13 – p.25/40
— — 2017-10-13 – p.26/40
( ) (by ) (since 1984) ( ) ( )
( ) . . . ( ) — — 2017-10-13 – p.27/40
( ) ( ) ( ) ( ) ( )
( ) (by ) — — 2017-10-13 – p.28/40
Q. ( ) ( = / = ) ⇒ —
— 2017-10-13 – p.29/40
( ) ( ) ( ) — — 2017-10-13 –
p.30/40
( ) / / — — 2017-10-13 – p.31/40
— 1. ( ) 2. ( ) 3. ( )
— — 2017-10-13 – p.32/40
→ 30 : × — — 2017-10-13 – p.33/40
OS (2007) — — 2017-10-13 – p.34/40
Amazon Go → — — 2017-10-13 – p.35/40
( JPY ) MUFG J S (“Cause-Oriented Economy”) ⇒ —
— 2017-10-13 – p.36/40
(4 ) ( ) — — 2017-10-13 – p.37/40
( ) → (AI ) → ← → → /
/ — — 2017-10-13 – p.38/40
( ) 11/15 11/22 11/29 12/7( ) 2.0 12/13 12/20
— — 2017-10-13 – p.39/40
— — 2017-10-13 – p.40/40