Report of Devcon5 2019.10.17

The Report about Devcon5 sessions that I heard.

1. Report of Devcon5
 
 2019.10.17
 

2. Copyright © 2019 chaintope Inc. All rights reserved. 自己紹介
 2 • 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/
3. Copyright © 2019 chaintope Inc. All rights reserved. About Devcon5
 3 Oct. 8 - 11 Osaka ATC Hall participant about 5,000 (from: https://medium.com/unchained-tokyo/devcon5-report-f176f63e0cc9) lots of side events
4. Copyright © 2019 chaintope Inc. All rights reserved. About Devcon5
 4
5. Copyright © 2019 chaintope Inc. All rights reserved. About Devcon5
 5
6. Copyright © 2019 chaintope Inc. All rights reserved. About Devcon5
 6
7. Copyright © 2019 chaintope Inc. All rights reserved. About Devcon5
 7
8. Copyright © 2019 chaintope Inc. All rights reserved. About Devcon5
 8 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). •
9. Copyright © 2019 chaintope Inc. All rights reserved. Day 1
 9 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

10. Copyright © 2019 chaintope Inc. All rights reserved. Day 2
 10 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?

11. Copyright © 2019 chaintope Inc. All rights reserved. Day 2
 11 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

12. Copyright © 2019 chaintope Inc. All rights reserved. Day 3
 12 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

13. Copyright © 2019 chaintope Inc. All rights reserved. Japanese, Human-Readable Smart Contracts
 13 http://demo.lexon.tech/apps/editor/
14. Copyright © 2019 chaintope Inc. All rights reserved. Japanese, Human-Readable Smart Contracts
 14
15. Copyright © 2019 chaintope Inc. All rights reserved. Building a Formally-Verified DApp with the Reach DSL, today!
 15 http://reach.sh
16. Copyright © 2019 chaintope Inc. All rights reserved. Eth 1.x Explained
 16
17. Copyright © 2019 chaintope Inc. All rights reserved. Eth 1.x Explained
 17
18. Copyright © 2019 chaintope Inc. All rights reserved. Eth 1.x Explained
 18
19. Copyright © 2019 chaintope Inc. All rights reserved. Eth 2.0 Light Clients: How Light is Light?
 19 https://hackmd.io/@wemeetagain/SkuswKu_r?type=slide#/
20. Copyright © 2019 chaintope Inc. All rights reserved. Eth 2.0 Light Clients: How Light is Light?
 20 https://hackmd.io/@wemeetagain/SkuswKu_r?type=slide#/
21. Copyright © 2019 chaintope Inc. All rights reserved. Eth 2.0 Light Clients: How Light is Light?
 21 https://hackmd.io/@wemeetagain/SkuswKu_r?type=slide#/
22. Copyright © 2019 chaintope Inc. All rights reserved. Optimization techniques for EVM implementations
 22 https://docs.google.com/presentation/d/1MgXd159bmx37Q70Ng_ggHc ClcYLafYqrxNEBFKAMqWI/edit#slide=id.g442eb61d9d_0_0
23. Copyright © 2019 chaintope Inc. All rights reserved. Optimization techniques for EVM implementations
 23 https://docs.google.com/presentation/d/1MgXd159bmx37Q70Ng_ggHc ClcYLafYqrxNEBFKAMqWI/edit#slide=id.g442eb61d9d_0_0
24. Copyright © 2019 chaintope Inc. All rights reserved. Optimization techniques for EVM implementations
 24 https://docs.google.com/presentation/d/1MgXd159bmx37Q70Ng_ggHc ClcYLafYqrxNEBFKAMqWI/edit#slide=id.g442eb61d9d_0_0
25. Copyright © 2019 chaintope Inc. All rights reserved. Yul, eWasm, Solidity: Progress and Future Plans
 25 http://chriseth.github.io/notes/talks/yul_devcon5/#/
26. Copyright © 2019 chaintope Inc. All rights reserved. Yul, eWasm, Solidity: Progress and Future Plans
 26 http://chriseth.github.io/notes/talks/yul_devcon5/#/
27. Copyright © 2019 chaintope Inc. All rights reserved. Yul, eWasm, Solidity: Progress and Future Plans
 27 http://chriseth.github.io/notes/talks/yul_devcon5/#/
28. Copyright © 2019 chaintope Inc. All rights reserved. EVM Roundtable: Everything You Wanted to Ask, But Were Afraid To
 28
29. Copyright © 2019 chaintope Inc. All rights reserved. EVM Roundtable: Everything You Wanted to Ask, But Were Afraid To
 29 https://app.sli.do/event/qrcutk5h/live/questions
30. Copyright © 2019 chaintope Inc. All rights reserved. EVM Roundtable: Everything You Wanted to Ask, But Were Afraid To
 30 https://app.sli.do/event/qrcutk5h/live/questions
31. Copyright © 2019 chaintope Inc. All rights reserved. Rough Report in my blog
 31 • 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
 

32. Copyright © 2019 chaintope Inc. All rights reserved. Other Big News
 32 • 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

33. 株式会社chaintope 代表取締役社長　正田英樹 福岡県飯塚市幸袋560-8 info@chaintope.com 33