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Report of Devcon5
2019.10.17
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Copyright © 2019 chaintope Inc. All rights reserved.
自己紹介
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● Yukishige Nakajo
● 株式会社chaintope
Chief Ethereum Researcher
● 福岡県の飯塚市でEthereumの研究中
● Rust, Istanbul (Eth1.0 update), DID, EVM
● https://twitter.com/nakajo
https://y-nakajo.hatenablog.com/
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Copyright © 2019 chaintope Inc. All rights reserved.
About Devcon5
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Oct. 8 - 11 Osaka ATC Hall
participant about 5,000 (from: https://medium.com/unchained-tokyo/devcon5-report-f176f63e0cc9)
lots of side events
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Copyright © 2019 chaintope Inc. All rights reserved.
About Devcon5
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Copyright © 2019 chaintope Inc. All rights reserved.
About Devcon5
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Copyright © 2019 chaintope Inc. All rights reserved.
About Devcon5
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Copyright © 2019 chaintope Inc. All rights reserved.
About Devcon5
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Copyright © 2019 chaintope Inc. All rights reserved.
About Devcon5
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Registration
● Map, Wristband, food tickets and
SIM-Card.
● food tickets amount is ¥5,000.
● They was giving out also 4G
sim-card.(but I not need it).
●
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Copyright © 2019 chaintope Inc. All rights reserved.
Day 1
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1. State Channels Sumit: B10
2. An EVM-Based Formal Rules Language: B3 (だとおもう。。)
3. Japanese, Human-Readable Smart Contracts: B3
4. Building a Formally-Verified DApp with the Reach DSL, today!: B3
5. WASM and Rust: Building Blocks for Blockchain: B3
6. Decentralized UX Problem Solving with Bounties Network and Rimble: B3
https://y-nakajo.hatenablog.com/entry/2019/10/09/021043
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Copyright © 2019 chaintope Inc. All rights reserved.
Day 2
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1. Welcome Ceremony ~ key note sessions
2. Eth 1.x Explained
3. Eth 2.0 tldr
4. Ewasm: Past, Present, Future
5. Lightning Fast Light Clients for the Future of Ethereum
6. Eth 2.0 Light Clients: How Light is Light?
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Copyright © 2019 chaintope Inc. All rights reserved.
Day 2
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7. How Do We Make Dapps as Secure as the Underlying Ethereum
8. ERC725 - The Future of On-Chain Interaction
9. Not Safe for Work: Smart Contract Vulnerabilities and Getting Started with
Vyper
10. Ethereum And The Law
https://y-nakajo.hatenablog.com/entry/2019/10/10/005918
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Copyright © 2019 chaintope Inc. All rights reserved.
Day 3
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1. Optimization techniques for EVM implementations
2. (e)WASM Code Golfing - Below Par with Nim
3. Yul, eWasm, Solidity: Progress and Future Plans
4. Wasm Precompiles for Eth 1.x
5. EVM Roundtable: Everything You Wanted to Ask, But Were Afraid To
6. Monitoring an Ethereum infrastructure
7. Pentesting Ethereum Contracts: Exploring a Honeypot Contract Using
Ganache
https://y-nakajo.hatenablog.com/entry/2019/10/11/010403
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Copyright © 2019 chaintope Inc. All rights reserved.
Japanese, Human-Readable Smart Contracts
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http://demo.lexon.tech/apps/editor/
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Copyright © 2019 chaintope Inc. All rights reserved.
Japanese, Human-Readable Smart Contracts
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Copyright © 2019 chaintope Inc. All rights reserved.
Building a Formally-Verified DApp with the Reach DSL,
today!
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http://reach.sh
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Copyright © 2019 chaintope Inc. All rights reserved.
Eth 1.x Explained
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Eth 1.x Explained
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Copyright © 2019 chaintope Inc. All rights reserved.
Eth 1.x Explained
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Copyright © 2019 chaintope Inc. All rights reserved.
Eth 2.0 Light Clients: How Light is Light?
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https://hackmd.io/@wemeetagain/SkuswKu_r?type=slide#/
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Copyright © 2019 chaintope Inc. All rights reserved.
Eth 2.0 Light Clients: How Light is Light?
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https://hackmd.io/@wemeetagain/SkuswKu_r?type=slide#/
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Copyright © 2019 chaintope Inc. All rights reserved.
Eth 2.0 Light Clients: How Light is Light?
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https://hackmd.io/@wemeetagain/SkuswKu_r?type=slide#/
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Copyright © 2019 chaintope Inc. All rights reserved.
Optimization techniques for EVM implementations
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https://docs.google.com/presentation/d/1MgXd159bmx37Q70Ng_ggHc
ClcYLafYqrxNEBFKAMqWI/edit#slide=id.g442eb61d9d_0_0
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Copyright © 2019 chaintope Inc. All rights reserved.
Optimization techniques for EVM implementations
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https://docs.google.com/presentation/d/1MgXd159bmx37Q70Ng_ggHc
ClcYLafYqrxNEBFKAMqWI/edit#slide=id.g442eb61d9d_0_0
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Copyright © 2019 chaintope Inc. All rights reserved.
Optimization techniques for EVM implementations
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https://docs.google.com/presentation/d/1MgXd159bmx37Q70Ng_ggHc
ClcYLafYqrxNEBFKAMqWI/edit#slide=id.g442eb61d9d_0_0
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Copyright © 2019 chaintope Inc. All rights reserved.
Yul, eWasm, Solidity: Progress and Future Plans
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http://chriseth.github.io/notes/talks/yul_devcon5/#/
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Copyright © 2019 chaintope Inc. All rights reserved.
Yul, eWasm, Solidity: Progress and Future Plans
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http://chriseth.github.io/notes/talks/yul_devcon5/#/
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Copyright © 2019 chaintope Inc. All rights reserved.
Yul, eWasm, Solidity: Progress and Future Plans
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http://chriseth.github.io/notes/talks/yul_devcon5/#/
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Copyright © 2019 chaintope Inc. All rights reserved.
EVM Roundtable: Everything You Wanted to Ask, But Were
Afraid To
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Copyright © 2019 chaintope Inc. All rights reserved.
EVM Roundtable: Everything You Wanted to Ask, But Were
Afraid To
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https://app.sli.do/event/qrcutk5h/live/questions
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Copyright © 2019 chaintope Inc. All rights reserved.
EVM Roundtable: Everything You Wanted to Ask, But Were
Afraid To
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https://app.sli.do/event/qrcutk5h/live/questions
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Copyright © 2019 chaintope Inc. All rights reserved.
Rough Report in my blog
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● Day1:
https://y-nakajo.hatenablog.com/entry/2019/10/09/021043
● Day2:
https://y-nakajo.hatenablog.com/entry/2019/10/10/005918
● Day3:
https://y-nakajo.hatenablog.com/entry/2019/10/11/010403
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Copyright © 2019 chaintope Inc. All rights reserved.
Other Big News
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● Unicef’s Cryptofund supported by EF.
○ https://www.neweconomy.jp/posts/35375
● OpenLibra
○ https://coinpost.jp/?p=111478
● #Athereum is born! A spoon (friendly fork) of #Ethereum
that is 99% ETH and 1% AVA.
○ https://coinpost.jp/?p=111992