The second global Ethereum developer conference schedule is announced and will soon "swept" China

Baozou Commentary : As a representative of the global blockchain community, Ethereum’s “China Tour” will express its importance to the Chinese market. It will act as a “catalyst” for the future development of Ethereum and blockchain technology, and will have a very positive encouraging effect on the future development of China’s blockchain technology.

Author: Amber Dingding

Ethereum, one of the representatives of the global blockchain developer community, successfully held its first developer conference in 2015. This year, Ethereum chose to hold its global developer conference in China, which shows that it attaches great importance to the Asian region represented by China. Although the development of blockchain technology in China has not been long, it has won global attention. What Ethereum values ​​in China is the support and development of blockchain technology. What will be worth the attention of all parties at the second global Ethereum developer conference? For China, what "actions" will Ethereum have in China? The answers will be "revealed" at this developer conference.

“Hardcore” guest speakers attended

Vitalik Burtin

As the founder of Ethereum, Vitalik Burtin will attend the conference and give a detailed explanation of the popular "blockchain technology". According to previously disclosed information, Vitalik Burtin himself will give a speech and explain some questions, such as what are the different parts that drive the Ethereum blockchain, how does a smart contract mobilize other contracts, who is running them, what is PoW (proof of work) and what is Gas (gasoline). The speech will last for half an hour and will introduce the technical overview of the Ethereum blockchain from beginning to end and explain many concepts. At the same time, industry experts Dr. Greg Colvin, Martin Becze, Pawel Bylica, and Dr. Reitwiessner were invited to have a panel discussion on the "Evolving Ethereum Virtual Machine".

As an innovative Swarm incentive system, Viktor Tron and Dr. Aron Fischer will explain the Swarm incentive system in detail. The peer-to-peer content storage and extraction system requires a careful balance between the needs of service providers and consumers. Based on the new opportunities provided by Ethereum, the Swarm network has the unique ability to meet these needs. It will meet these needs through micropayments and smart contract incentive mechanisms. The Swarm incentive system will be built around the three pillars of swap, swear, and swindle. These three important parts will be explained at the conference.

In addition, Dr. Greg Colvin will give a speech on the topic of Making EVM Scream, Heiko Hees of Raiden Network will present the Raiden Network, its implementation, usage scenarios, APIs and practical application cases, and Dr. Christian Reitwiessner will give a speech on the topic of “Trying to Scam a Blockchain”.

Evolution to the Web 3.0 infrastructure

Viktor Tron will explain in detail the "Evolution of the Web 3.0 Infrastructure" of Ethereum. The vision of Web 3.0 is based on the premise that there is a decentralized infrastructure that can provide backend functionality for interactive web applications in a simple and frictionless way. The focus will be on structured data representation, providing incentive-based real-time communication, and transparent links between browser behavior and on-chain/off-chain transactions. Ethereum's multi-protocol stack provides a unique opportunity for the evolution of the Web 3.0 infrastructure to directly transform network interactions into contractually binding agreements, making Web 3.0 possible.

The traditional LAMP stack database is a pain point in porting the well-understood web applications to the Ethereum ecosystem. The provable DB framework implemented with IPFS merkle DAGs and the Swarm project play a key role in this. On the one hand, their logic and structure are inseparable from the blockchain for verification purposes, and at the same time, they provide a reference for real-time accelerated extraction of distributed low-latency query servers and decentralized indexing of the computing power market.

It also includes an explanation of devp2p and contract authentication. Various incentive-based path messaging on devp2p provides a set of communication tools, including devp2p discovery, unicast, multicast, subscription, and incentive-based state bypass networks. In addition, contract authentication, natural language-supported transactions and managed name services, as well as granular access control of usage data, will bring security, transparency, and privacy to the user experience.

"Innovative" modular Casper machine

Vitalik Buterin will introduce the design overview of Casper. Based on the second-speed collective consensus mechanism, he will introduce the key design choices and trade-offs made by Casper. Focus on randomness, Byzantine fault tolerance, and partially synchronized network models, tree selection rules, and final convergence.

Previously, The DAO re-entry bug has received special attention from all parties. Lucius Greg Meredith will explain this and provide a new solution. Lucius Greg Meredith believes that this problem can be analyzed from the perspective of a concurrent programming contract language combined with behavioral classification to see if this bug will be caught by behavioral typing and thus not deployed. Test results show that a new programming protection strategy against similar exploits can be implemented through behavioral classification. In order to understand this technique, you must first understand that the Rholang contract language makes a commitment to detailed concurrent programming in their contracts. Let's take a look at Rholang, then look at what behavioral classification is, and finally look at why behavioral classification not only catches the DAO's re-entry bug, but also prevents any buggy smart contracts from being edited and thus deployed.

Conference Schedule-September 19-First Day

1. Opening Remarks: Welcome & Introductions <br/> Speakers: Ming Chan, Vitalik Burtin, Dr. Christian Reitwiessner, Alex Van de Sande

Ethereum Executive Director Ms. Ming Chan and the Foundation’s Chief Developer delivered the opening speech and introduction to the 2nd Ethereum Developer Conference.

2. Topic: 25-minute introduction to Ethereum <br/> Speaker: Vitalik Burtin

What are the different parts that drive the Ethereum blockchain? What are uncles? How does a smart contract mobilize other contracts? Who runs them? What is PoW (Proof of Work)? What is Gas? In 25 minutes, Vitalik Buterin gives a technical overview of the Ethereum blockchain from beginning to end, explaining many concepts.

3. Expert panel discussion: The Evolution of Ethereum Virtual Machine <br/> Speakers: Dr. Greg Colvin, Martin Becze, Pawel Bylica, Dr. Reitwiessner

4. Exchange, Guarantee and Fraud. Swarm Incentive System <br/> Speakers: Viktor Tron, Dr. Aron Fischer

A robust peer-to-peer content storage and retrieval system requires a careful balance of the needs of service providers and consumers. Based on the new opportunities provided by Ethereum, the Swarm network is uniquely capable of meeting these needs through micropayments and smart contract implementation incentives.

In this talk we will introduce the Swarm incentive system. It is built around three pillars we call Swap, Swear, and Swindle.

The swap system keeps track of bandwidth usage and provides compensation to nodes that serve content. The dynamic nature of the system means that popular content will automatically be more widely distributed and more quickly available. Micropayments are handled by a custom checkbook smart contract, and we are actively working on integrating a full payment system into the system.

The Swear contract handles long-term storage, allowing nodes to sell their storage space while allowing others to store their content reliably and long-term on the swarm.

Finally, the swindle contract consists of a litigation engine for resolving disputes. The nature of the swindle contract makes it a natural candidate for a state bypass adjudicator, and we will discuss topics such as off-chain state bypass decision contracts, circular payments, and litigation dispute resolution mediation. Therefore, the discussion of Swarm will touch on multiple topics in the current Ethereum ecosystem and the research happening around it.

5.Making EVM Scream
Speaker: Dr. Greg Colvin

6. Raiden Network <br/> Speaker: Heiko Hees
Showcases the Raiden Network, its implementation, usage scenarios, APIs, and examples.

7. Trying to cheat a blockchain <br/> Speaker: Dr. Christian Reitwiessner

How to reduce computational load through interactive verification, help scalability, and provide reasonable incentives for computationally intensive work.

8. Towards Web 3.0 Infrastructure <br/> Speaker: Viktor Tron

Ethereum's multi-protocol stack provides a unique opportunity to directly transform network interactions into contractually binding agreements. The vision of Web 3.0 is based on the premise that there is a decentralized infrastructure that can provide backend functionality for interactive network applications in a simple and frictionless way. The focus will be on structured data representation, providing incentive-based real-time communication, and transparent links between browser actions and on-chain/off-chain transactions.

The database of the traditional LAMP stack is a pain point in porting today's well-understood web applications to the Ethereum ecosystem. The provable DB framework implemented with IPFS merkle DAGs and the Swarm project play a key role in this. On the one hand, their logic and structure are inseparable from the blockchain for verification purposes, and at the same time they provide a reference for real-time accelerated extraction of distributed low-latency query servers and decentralized indexing of computing power markets.

Various incentivized routed messaging over devp2p provides a set of communication tools, including devp2p discovery, unicast, multicast, subscription-based, and incentivized state bypass networking.

Contract authentication, support for natural language transactions, managed name services, and fine-grained access control over usage data all bring security, transparency, and privacy to the user experience.

In this talk, we will describe the components of the above structure and how they interact.

9. Parity Internals <br/> Speaker: TJ Saw

Demonstrates the Rust client based on Parity developed by the Ethcore team.

Ethereum enthusiast <br/> Speaker: Jan Xie

11.eWASM: An experimental virtual machine design <br/> Speaker: Martin Becze

Cross-compilation, metering Ethereum interface & demonstration Ethereum WASM adds the following based on Webassembly.
- Defined an Ethereum system module to facilitate interaction with the Ethereum environment.
- Added metering - Limiting unsteady behavior

12. Deep Sharding <br/> Speaker: Vlad Zamfir

An in-depth look at sharding as an Ethereum scaling solution. Sharding is a scaling solution where nodes from the global validator set (created via PoS bundling in our case) are randomly assigned to specific shards, with each shard processing transactions for a different portion of the network.

12. Making smart contracts smarter: Oyente
Speaker: Loi Luu

The contract analyzer OYENTE was created to find vulnerabilities in smart contracts and will soon be released as open source. This presentation introduces the overview of Oyente and explains how we can make smart contracts smarter.

14. Running Ethereum on Resource-Limited Devices <br/> Speaker: Bob Summerwill

Overview and roadmap for running Ethereum on mobile, wearables, SBCs and IoT.

14. Casper Design Overview <br/> Speaker: Vitalik Buterin

The foundation of the consensus mechanism for the second-by-second collection, while introducing the key design choices and trade-offs made by Capser. Focus on randomization, Byzantine fault tolerance, partially synchronous network models, tree selection rules, and final convergence.

15. A modular Casper machine <br/> Speaker: Lucius Greg Meredith

Today, The DAO’s reentrancy bug has received a lot of attention. We decided to analyze this problem from the perspective of a concurrent programming contract language combined with behavioral classification to see if the bug would be caught by behavioral typing and therefore prevented from being deployed. It turns out that a new programming defense strategy against similar exploits can be implemented with behavioral classification. In order to understand this technique, you must first understand the Rholang contract language’s commitment to detailed concurrent programming in their contracts. We will take a look at Rholang together, then see what behavioral classification is, and finally see why behavioral classification not only caught the DAO’s reentrancy bug, but it will prevent any buggy smart contracts from being edited and therefore deployed.