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とインストール大会 / Blockchain Overview and I...
Search
Kenji Saito
PRO
October 23, 2023
Technology
0
100
ブロックチェーン概論とインストール大会 / Blockchain Overview and Installation
2023年10月23日(月)、慶應義塾大学大学院メディアデザイン研究科「サービスデザインプロジェクト B」2023秋で使用したスライドです。
Kenji Saito
PRO
October 23, 2023
Tweet
Share
More Decks by Kenji Saito
See All by Kenji Saito
スマートコントラクトと分散ファイナンス / Smart Contracts and Decentralized Finance
ks91
PRO
0
57
シン・ブロックチェーン / Truth of Blockchain
ks91
PRO
0
86
パスワード/パスフレーズと認証 / Password, Passphrase and Authentication
ks91
PRO
0
32
git と GitHub / git and GitHub
ks91
PRO
0
35
ソフトウェアの開発と保守 / Software Development and Maintenance
ks91
PRO
0
47
インターネットの特徴 / Features of the Internet
ks91
PRO
0
34
インターネットのガバナンス / Governance of the Internet
ks91
PRO
0
29
暗号学的ハッシュ関数 / Cryptographic Hash Function
ks91
PRO
0
37
デジタル署名 / Digital Signature
ks91
PRO
0
32
Other Decks in Technology
See All in Technology
生成AI時代の開発組織・技術・プロセス 〜 ログラスの挑戦と考察 〜
itohiro73
1
330
マーケットプレイス版Oracle WebCenter Content For OCI
oracle4engineer
PRO
3
920
Liquid Glass革新とSwiftUI/UIKit進化
fumiyasac0921
0
270
Should Our Project Join the CNCF? (Japanese Recap)
whywaita
PRO
0
260
プロダクトエンジニアリング組織への歩み、その現在地 / Our journey to becoming a product engineering organization
hiro_torii
0
130
LangChain Interrupt & LangChain Ambassadors meetingレポート
os1ma
2
130
標準技術と独自システムで作る「つらくない」SaaS アカウント管理 / Effortless SaaS Account Management with Standard Technologies & Custom Systems
yuyatakeyama
3
1.3k
AWS テクニカルサポートとエンドカスタマーの中間地点から見えるより良いサポートの活用方法
kazzpapa3
2
570
TechLION vol.41~MySQLユーザ会のほうから来ました / techlion41_mysql
sakaik
0
190
"サービスチーム" での技術選定 / Making Technology Decisions for the Service Team
kaminashi
1
190
データプラットフォーム技術におけるメダリオンアーキテクチャという考え方/DataPlatformWithMedallionArchitecture
smdmts
5
660
作曲家がボカロを使うようにPdMはAIを使え
itotaxi
0
260
Featured
See All Featured
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
2.9k
Java REST API Framework Comparison - PWX 2021
mraible
31
8.7k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
657
60k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
31
1.2k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
331
22k
The Cost Of JavaScript in 2023
addyosmani
51
8.5k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
15
1.5k
Why You Should Never Use an ORM
jnunemaker
PRO
58
9.4k
Gamification - CAS2011
davidbonilla
81
5.3k
Practical Orchestrator
shlominoach
188
11k
The Cult of Friendly URLs
andyhume
79
6.5k
Site-Speed That Sticks
csswizardry
10
670
Transcript
generated by Stable Diffusion XL v1.0 B 2023 2 (
) B 2023 — 2 — 2023-10-23 – p.1/64
https://speakerdeck.com/ks91 ( ) ( ) Discord Discord ( / /
) Zoom URL ( ) B 2023 — 2 — 2023-10-23 – p.2/64
( ) 1 10 16 • 2 10 23 •
3 10 30 4 11 6 5 11 13 1 6 11 20 2 7 11 27 8 12 4 Discord B 2023 — 2 — 2023-10-23 – p.3/64
– : : Ethereum ( ) ( ) Ethereum B
2023 — 2 — 2023-10-23 – p.4/64
– B 2023 — 2 — 2023-10-23 – p.5/64
ެ։ா ެ։Ͱͳ͚ΕͳΒͳ͍ ʜ ຊਓ ɾૹۚه ɾίʔυ ɾσʔλͷมԽ ɾ࣮ߦϩά ݕӾͰ͖Δୈࡾऀ ͜Εɺ
ه͍ͨ͠Μ͚ͩͲ ͋ͳͨ ॻ͍ͨΒμϝ ͜ͷ༰ ॻ͍ͨΒμϝ ॻ͍ͪΌͬͨͷʁ ͜͏ॻ͖͑·͠ΐ͏ ॻ͍ͯͳ͍ͷʁ ͜͏ॻ͔Εͨ͜ͱʹ ͠·͠ΐ͏ ॻ͍ͪΌͬͨͷʁ ফ͠·͠ΐ͏ %P4 ߈ܸͱ͔Ͱ ͯ͠ࢭΊ·͠ΐ͏ B 2023 — 2 — 2023-10-23 – p.6/64
( ) ( ) ( ) ↓ ( ( ))
(BP : Blockchain Property ) BP-1 : ( ) BP-2 : ( ( ) ) BP-3 : ( ) ( ) ( ) B 2023 — 2 — 2023-10-23 – p.7/64
( ) (LIFO : Last In, First Out) ( )
B 2023 — 2 — 2023-10-23 – p.8/64
( ) ( ) ( ) ( ) ( 16
) SHA (Secure Hash Algorithm) ( ) 1bit B 2023 — 2 — 2023-10-23 – p.9/64
( ) ( ) < , > ( ) ←
: < , > : : < , , > : OK ( 1 ) NG ( ) B 2023 — 2 — 2023-10-23 – p.10/64
BP-1 ( ), BP-2 ( ) BBc-1/BBc-2 f : →
BP-3 ( ) ( ) ( ) ← BP-2 ← BP-3 ( ) (BP-2 ) ( ) ← BP-3 (?) + ← BP-{1,2} B 2023 — 2 — 2023-10-23 – p.11/64
[Lamport 1984][Schneider 1990] (1) (2) (3) (4) ( ) ←
↑ B 2023 — 2 — 2023-10-23 – p.12/64
TX : transaction ( 4 TX ) SMRP (State Machine
Replication Problem) SMRP-1 ( ) SMRP-2 : B 2023 — 2 — 2023-10-23 – p.13/64
( ) ( ) ϒϩοΫ൪߸O ϒϩοΫ൪߸O ϒϩοΫ൪߸O ϒϩοΫ൪߸O
ϒϩοΫ൪߸O ϒϩοΫ൪߸O ϒϩοΫ൪߸O ϒϩοΫ൪߸O ͍ͪΜهɾॻ͖͑ͷίετ͕ߴ͍ྺ࢙ ࠷վ͟Μ͠ʹ͍͘ྺ࢙ ͕༗ޮ ͻͱͭखલͷϒϩοΫͷ ʮμΠδΣετʯ σδλϧॺ໊͞Εͨ ʮτϥϯβΫγϣϯ औҾ ʯ ϒϩοΫΛ࡞ΔͨΊʹɺͦͷʮμΠδΣετʯ͕͋ΔҎԼͱ͍͏݅Λຬͨͨ͠Γ 1SPPGPG8PSL Ծ௨՟ͷ࣋ͪʹԠͨ͡ݖརΛͬͨථͰউͬͨΓ 1SPPGPG4UBLF ͢Δඞཁ͕͋Δ ίετ͕͔͔Δ ϒϩοΫΛ࡞ΔਓͦͷதʹࣗʹѼͯͨ Ծ௨՟ͰͷใुΛॻ͖ࠐΉ͜ͱ͕Ͱ͖ɺ ͦͷϒϩοΫ͕༗ޮͳྺ࢙ͷதʹ͋Δ߹ʹ ݶΓใु༗ޮͱͳΔ τϥϯβΫγϣϯͷଘࡏΛ֬ೝ͢Δ ͨΊͷޮతͳํ๏͕ఏڙ͞ΕΔ ਖ਼ੑ ଘࡏੑ །Ұੑ Proof of Work ( ) . . . → B 2023 — 2 — 2023-10-23 – p.14/64
(BP-3 ) ( : ) (BP-3 ) ( : )
← NFT ( ) BP-{1,2,3} BP-{1, 2} ⇒ B 2023 — 2 — 2023-10-23 – p.15/64
(Confidentiality) BP-{1,2,3} ↑ ( = ) (Integrity) BP-3 (Availability) BP-2
B 2023 — 2 — 2023-10-23 – p.16/64
2009 ↑ 14 ( 5 ) B 2023 — 2
— 2023-10-23 – p.17/64
( ) ADR (Active (space) Debris Removal) : https://doi.org/10.1109/TCSS.2018.2890655 (1930
) ( ) B 2023 — 2 — 2023-10-23 – p.18/64
( ) ( ) ( ) B 2023 — 2
— 2023-10-23 – p.19/64
( ) ( - ) : https://doi.org/10.1016/j.future.2019.05.019 B 2023 —
2 — 2023-10-23 – p.20/64
( ) ( ) ( ) B 2023 — 2
— 2023-10-23 – p.21/64
( ) B 2023 — 2 — 2023-10-23 – p.22/64
/ ( ) ( ) ( ) ( ) B
2023 — 2 — 2023-10-23 – p.23/64
( ) ( ) ( ) B 2023 — 2
— 2023-10-23 – p.24/64
( ) : https://www.lij.jp/html/jli/jli_2017/ 2017summer_p018.pdf B 2023 — 2 —
2023-10-23 – p.25/64
( ) ( ) B 2023 — 2 — 2023-10-23
– p.26/64
B 2023 — 2 — 2023-10-23 – p.27/64
with ( ) ( ) : https://doi.org/10.1016/j.icte.2021.08.012 ( ) B
2023 — 2 — 2023-10-23 – p.28/64
DNS : https://ieeexplore.ieee.org/document/9686409 ( ) IP AS B 2023 —
2 — 2023-10-23 – p.29/64
( ) ( ) : https://ieeexplore.ieee.org/document/9686409 ( ) : https://doi.org/10.1016/j.icte.2021.08.012
(web ) B 2023 — 2 — 2023-10-23 – p.30/64
( ) ( ) ( ) : https://doi.org/10.1016/j.icte.2021.08.012 ( )
( ) ( ) : https://ieeexplore.ieee.org/document/9686409 B 2023 — 2 — 2023-10-23 – p.31/64
( ) ( ) : https://ieeexplore.ieee.org/document/9686409 3D ( ) :
HACCP ( ) B 2023 — 2 — 2023-10-23 – p.32/64
— τʔΫϯ ସ՟ฎ εϚʔτίϯτϥΫτ ݕূՄೳͳঢ়ଶϚγϯ ϓϩϏφϯε དྷྺূ໌ ସՄೳ ঈؐෆೳ
ସՄೳ ঈؐՄೳ ସෆೳ ঈؐՄೳ ସෆೳ ঈؐෆೳ ূ໌͢Δ ಉఆ͢Δ ࢧ͍ ࠷ॳͷԠ༻ *%Χʔυ ηΩϡϦςΟ τʔΫϯ ূ݊ ηϯαʔ ྲྀɾ Ҩݴॻ อݥਃ ͢Δ ײ͢Δ தԝۜߦ σδλϧ௨՟ ҭήʔϜ ൿີ伴Λ͑Δ͔Βຊਓʁ ෛ࠴ Ξηοτͷ දݱΛҠసͰ͖Δʁ ొ͞Εͨίʔυͱ ͦͷ࣮ߦϩάͱ݁Ռͷ ਅਖ਼ੑΛ୲อͰ͖Δʁ ݖҖ͕ Կ͔ͷ༰Λূ໌͢Δʁ ࣋ଓ͢Δଘࡏʹ͍ͭͯ هΛΞοϓσʔτՄʁ ओମ͕͍ͳ͘ͳͬͯ աڈͷσʔλ༗ޮʁ /'5 Ұൠతͳ ೝࣝ ػೳͷ ੳ݁Ռ B 2023 — 2 — 2023-10-23 – p.33/64
Ethereum macOS (Ventura 13.6) + Homebrew Linux (Ubuntu 22.04) (x86/AMD64
and ARM) macOS + Lima (Linux Machines) mac M1/M2 (Apple )(ARM) x86/AMD64 Windows 11 + Windows Subsystem for Linux (Ubuntu ) Ethereum solidity brownie B 2023 — 2 — 2023-10-23 – p.34/64
macOS : Homebrew (Apple macOS ) UNIX macOS Lima Homebrew
brew Apple brew ( ) brew https://github.com/homebrew/install Path : https://zenn.dev/tet0h/articles/a92651d52bd82460aefb B 2023 — 2 — 2023-10-23 – p.35/64
macOS : Rosetta 2 Apple x86/AMD64 ( ) $ softwareupdate
–install-rosetta B 2023 — 2 — 2023-10-23 – p.36/64
macOS : Lima macOS Linux ( ) https://github.com/lima-vm/lima QEMU (
) Rosetta 2 Apple x86/AMD64 brew $ brew install lima Ubuntu 22.04 (x86/AMD64) “kmd.yaml” $ limactl start kmd.yaml B 2023 — 2 — 2023-10-23 – p.37/64
macOS : Lima Linux (Ubuntu) x86_64 $ limactl list Linux
(exit ) $ limactl shell kmd Linux limactl list STATUS Stopped limactl start kmd “.lima” diffdisk 100GB B 2023 — 2 — 2023-10-23 – p.38/64
Solidity Ethereum ( ) http://solidity.readthedocs.io/en/latest/installing-solidity.html Linux (on Windows) “sudo apt”,
macOS “brew” Linux ARM git clone dependencies solc 0.8.21 (10/16 ) $ solc --version brownie py-solc-x solc (dependencies) ( solc py-solc-x ) B 2023 — 2 — 2023-10-23 – p.39/64
Ganache Ethereum RPC npm ( ) macOS https://qiita.com/kyosuke5_20/items/c5f68fc9d89b84c0df09 Linux https://qiita.com/seibe/items/36cef7df85fe2cefa3ea
npm Ganache $ sudo npm install -g ganache B 2023 — 2 — 2023-10-23 – p.40/64
Python3 ( Python3.9 ) macOS $ brew install
[email protected]
Linux
$ sudo add-apt-repository ppa:deadsnakes/ppa $ sudo apt update $ sudo apt install python3.9 python3.9-dev python3.9-venv python3.9-tk B 2023 — 2 — 2023-10-23 – p.41/64
macOS : . . . macOS wget brew dyld: Library
not loaded: /usr/local/opt/gettext/lib/libintl.8.dylib $ brew uninstall --force gettext $ brew install gettext B 2023 — 2 — 2023-10-23 – p.42/64
Python (venv) macOS (Linux python3 ) ‘python3.9’ ‘python3’ $ python3.9
-m venv bbc2env $ source bbc2env/bin/activate (bbc2env) $ pip install -U pip bbc2env ( BBc-2 ) ( ) (bbc2env) $ deactivate B 2023 — 2 — 2023-10-23 – p.43/64
Brownie Python Ethereum https://eth-brownie.readthedocs.io Brownie $ pip install eth-brownie version
1.19.3 (10/16 ) PyYAML $ pip install "cython<3.0.0" wheel && pip install pyyaml==5.4.1 --no-build-isolation B 2023 — 2 — 2023-10-23 – p.44/64
$ brownie init ( ERC-20 ) $ brownie bake token
$ cd token B 2023 — 2 — 2023-10-23 – p.45/64
contracts (macOS Linux (x86/AMD64) ) $ brownie compile Linux (ARM)
(AMD64 ) $ python # >>> import solcx >>> solcx.compile_solc(’0.6.12’) # >>> quit() /tmp ∼/.solcx/solc-v0.6.12 ( ) $ pytest tests B 2023 — 2 — 2023-10-23 – p.46/64
Brownie $ brownie console Python >>> len(accounts) 10 >>> accounts[0].balance()
100000000000000000000 >>> quit() B 2023 — 2 — 2023-10-23 – p.47/64
Ethereum Görli B 2023 — 2 — 2023-10-23 – p.48/64
infura.io Brownie https://infura.io SIGN UP PROJECT ID infura Ethereum API
infura . . . infura.io PROJECT ID WEB3_INFURA_PROJECT_ID PROJECT ID (∼/.bash_profile ) $ export WEB3_INFURA_PROJECT_ID= PROJECT ID B 2023 — 2 — 2023-10-23 – p.49/64
G¨ orli ETH brownie console Görli >>> network.disconnect() >>> network.connect(’goerli’)
>>> len(accounts) 0 >>> accounts.add() <LocalAccount object ’ 16 ’> >>> accounts[0].private_key 16 >>> quit() Görli Testnet ETH Faucet ETH https://goerlifaucet.com ( ) ( ) https://metamask.io/ B 2023 — 2 — 2023-10-23 – p.50/64
G¨ orli ETH brownie console Görli ETH >>> network.disconnect() >>>
network.connect(’goerli’) >>> len(accounts) 0 >>> accounts.add( 16 ) <LocalAccount object ’ 16 ’> >>> accounts[0].balace() ETH >>> quit() ETH >>> accounts[0].transfer(accounts[1], "0.01 ether") B 2023 — 2 — 2023-10-23 – p.51/64
Ethereum B 2023 — 2 — 2023-10-23 – p.52/64
Ethereum Vitalik Buterin, “Ethereum White Paper: A NEXT GENERATION SMART
CONTRACT & DECENTRALIZED APPLICATION PLATFORM” 12 (= ) = ⇒ → Dapps ( / / ) B 2023 — 2 — 2023-10-23 – p.53/64
( ) B 2023 — 2 — 2023-10-23 – p.54/64
. . . B 2023 — 2 — 2023-10-23 –
p.55/64
vs. B 2023 — 2 — 2023-10-23 – p.56/64
= run B 2023 — 2 — 2023-10-23 – p.57/64
Ether Ethereum EOA : Externally-Owned Account ( ) Ether EVM
EVM B 2023 — 2 — 2023-10-23 – p.58/64
EVM : Ethereum Virtual Machine ঢ়ଶ ֎෦ΞΫλʔ ΞΧϯτ &7. ίʔυ
&UIFSˠ(BT ىಈ ίϯτϥΫτ ϝοηʔδ͔ɺ৽͍ࣗ͠ಈΦϒδΣΫτ ΞΧϯτؒͰΓऔΓ͞ΕΔσʔλ&UIFS ετϨʔδ ঢ়ଶ` τϥϯβΫγϣϯ ηοτ σδλϧॺ໊ &7. ਓؒͱ͔ ࣗಈ ΦϒδΣΫτ Gas ( EVM = ( burn)) . . . B 2023 — 2 — 2023-10-23 – p.59/64
EVM : : ← : Solidity — JavaScript LLL —
Lisp Vyper — Python Fe — Vyper Rust ← NEW! Solidity Vyper Python B 2023 — 2 — 2023-10-23 – p.60/64
Solidity ( ) pragma solidityˆ0.7.0; contract IndivisibleAsset { /* */
string public _name; string public _symbol; uint256 public _quantity; address public _owner; constructor(string memory name, string memory symbol, uint256 quantity) public { _name = name; _symbol = symbol; _quantity = quantity; _owner = msg.sender; } function transfer(address to) public returns (bool) { require (_owner == msg.sender); _owner = to; return true; } } B 2023 — 2 — 2023-10-23 – p.61/64
( , ) (constructor) (deploy) = ( ) ( )
ETH Trusted Actor Model B 2023 — 2 — 2023-10-23 – p.62/64
Ethereum B 2023 — 2 — 2023-10-23 – p.63/64
B 2023 — 2 — 2023-10-23 – p.64/64