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⑴ What are the characteristics of Ping An One Account in terms of blockchain applications?

Financial One Account, a technology company under Ping An, officially launched a blockchain solution - One Account chain. According to reports, the solution has three major advantageous technologies. On the FiMAX underlying framework, Sparrow privacy middleware provides guarantee for data privacy security, Core high-performance underlying layer improves throughput, and Concord one-click deployment and management platform optimizes user experience.

As we all know, as an emerging technology, there are still many technical obstacles to the application of blockchain in actual production environments, such as throughput, scalability, consensus mechanism, privacy and security. , manageability, etc. Among them, the Yilian BaaS platform has proposed its own solutions to three problems: throughput, privacy, and manageability.

Yi Lian Lian can be divided into two layers, the underlying architecture and API, and then upwards to undertake business scenarios. According to Lei Feng.com, the underlying framework of One Account Chain was originally inspired by Hyperledger Fabric. Lu Yifan, Blockchain Product Director of OneConnect Technology Center, was previously the co-founder of Fabric. He told Leifeng.com that during the actual application process, he found that Fabric was not suitable for use in a production environment, and his development concepts with the community gradually emerged. Disagreement.

“The advantage of Fabric lies in the synchronous transmission of data, and Yilian also draws on this, but it does not pay enough attention to privacy issues. Moreover, I think sharing data is almost impossible to achieve in practice, so the smart contract The role is also very limited."

So, based on learning from Fabric, they transformed the underlying framework to fit the actual financial industry and named it FiMAX. "Core may still be somewhat related to it (Fabric), but Sparrow and Concord are brand new."

According to him, FiMAX Sparrow privacy middleware has three main features: authorized encryption and decryption, zero-knowledge Detection library, invisible query.

“As for authorized encryption and decryption, it actually involves the biggest problem in reality-data sharing. Because data has commercial value, no organization is willing to share data, which may cause catastrophic consequences. As a result, we launched authorizable encryption and decryption at the end of 2016. Data participants encrypt the data themselves. After encryption, they can decide who can interpret the data at any time. The data is all passwords." Similar to how the mobile APP calls the address book , SMS and other permissions need to be applied to the user.

Stealth query means that any operation on the chain will not cause the information on the chain to be leaked in any way.

Lu Yifan also focused on the zero-knowledge detection library, or zero-knowledge proof technology, that is, transaction participants can combine third-party transaction ciphertext without being able to decrypt the ciphertext. Regulatory testing. It is said that it can provide multiple sets of zero-knowledge detection technologies for different scenarios.

ForTo understand its privacy protection effect more intuitively, a huge electronic screen was placed at the conference site for demo demonstration. When conducting an asset transaction, only the parties involved in the transaction can see the specific account information and transfer share. If there is a transaction between different institutions, the account information of the other institution cannot be known.

The key effect of FiMAX Core is to increase throughput. It is understood that Yilian adopts GCCA national encryption acceleration technology with independent property rights, which can improve the performance of national encryption by nearly a hundred times in the X86 environment, and is also better than the encryption machine solution. Traditionally, hardware module solutions such as HSM encryption machines are used. It is said that only a 2.1Ghz 8-core CPU can support a transaction throughput of 5,000+ transactions per second, and the hardware configuration can be improved to reach a single-chain input level throughput without being affected by cryptographic operations.

Node access and unified and centralized configuration management are the core of efficient network space management. The two major problems of "difficulty in application deployment and difficulty in management" have also become key points that restrict the development of blockchain. “In the process of promoting the application of blockchain in the industry, as the commercial value increases, manufacturers are increasingly paying attention to user experience, including node deployment, management and monitoring, etc.”, Chief Technology Officer and Chief Operating Officer of OneConnect Financial Official Huang Yuxiang said.

FiMAX Concord provides an easy-to-operate and simple interface. Tools such as one-click deployment and initialization management page reduce the technical threshold for managing nodes. Real-time monitoring windows for multiple key nodes help operation and maintenance personnel accurately monitor network or node abnormalities in real time. In terms of network management, complex operations such as network creation and CA connection can be simplified, and the simplest operation page can be provided to network administrators.

⑵ Does anyone know that the founder of Kongyi Academy

used to teach iOS. It is estimated that the iOS environment is no longer good and he has switched to the emerging blockchain. In fact, he is also a student trained by a training institution in 2012

⑶ Who is teaching the popular blockchain training class

Sign up and pay a pre-deposit fee of 100 yuan to complete all courses Can be refunded;

Offline tutoring classes, 4 days of lectures, 7,800 yuan per person;

3 days and 2 nights, 88,888 yuan per person;

. .....

What exactly is blockchain? Perhaps very few people can really answer this question. It is precisely because "blockchain" is inherently mysterious that many people are eager to pay to get on board this train to the "future" in order to gain knowledge.

Therefore, a variety of blockchain trainings are also very popular. Various information such as "scan the code to join the group to listen to the class" are flooded in the circle of friends, making it difficult to distinguish the good from the bad. The training costs are even more varied: 100 yuan, 300 yuan, 7,000 yuan or even nearly 100,000 yuan...

Blockchain training is too popular

I often Fabricated identities on dating profiles: Imported lighting wholesaler, urban landscape designer, boutique cigarette hotel owner, agricultural loan salesperson. Now, I have finally become an expert in blockchain training courses.

▲Picture source: Screenshot of a recruitment website

Moreover, it is reported that a blockchain recruitment advertisement in Beijing recently hit the circle of friends, asking applicants to check the area. There is in-depth research on blockchain technology and cryptography, and the annual salary given is no less than 5 million yuan, and there is no upper limit.

“This is indeed the current situation of blockchain talent recruitment. But even so, we can’t recruit people because it is difficult to find qualified people.” Lu Sheng, a “headhunter” on Liepin platform, said.

Song Mofei, a senior researcher at Suning Financial Research Institute, said: “In terms of development experience, the rise of the domestic blockchain industry has been concentrated in the past two or three years. People with long-term blockchain development experience are in the talent market. Very few." He believes that excessively high salaries will inevitably attract some speculators, but the increase in salary has not brought about an increase in the application threshold, and even some recruiters only have a vague understanding of blockchain technology. The recruitment of chain talents also poses new challenges.

In the view of Shan Yi, chief data officer of Liepin.com, the core of blockchain is a change in social relations and business models based on the Internet's distributed trust system, and this change is based on decentralization. are typical characteristics. "There are still many uncertainties in the future development of blockchain. There is an obvious bubble at present, and many blockchain projects are unreliable." He said.

⑷ Is Yilian a blockchain technology? What is it mainly used for?

Yilian is a blockchain launched by Financial OneConnect, a financial technology company under Ping An Group. Breakthrough solutions. Because it relies on three dark horse technologies (FiMAX Sparrow, FiMAX Core, and FiMAXConcord) to build a powerful FiMAX technology platform, which fundamentally solves the most challenging bottleneck issues faced in the development of blockchain technology, such as throughput efficiency, privacy Protection and deployment management, etc.
In terms of application scenarios, the One Account Chain platform has been put into use in many scenarios such as blacklist sharing, supply chain finance, financial institution one account, small and micro enterprise loan platform, asset platform, etc.
For example, in the process of traditional bill transfer, there are pain points such as the tedious bill verification process, the difficulty in estimating the upstream and downstream risks of the bill, and the time-consuming and labor-intensive transfer procedures. There is a bill asset trading system on the One Account Interbank Platform of financial institutions that uses Ping An One Account Chain technology. The bill holder only needs to enter the bill information on the platform. After the bank's review, the platform will digitize the bill and save it. In the blockchain, the note becomes an unchangeable digital asset at this time. During the bill transfer process, the platform will automatically generate a transfer contract. No matter where the handler is, with authorization from the company, they can digitally sign through the platform to ensure that the signed contract cannot be tampered with, and the change of bill ownership information will be The entire process information of the bill transfer is permanently stored in the blockchain, which double protects the true validity of the bill transfer and greatly improves business efficiency.Worries such as bill authenticity verification, official seal verification, and communication costs will all be solved.
Of course, this is just the tip of the iceberg. You can check out other applications on the official website.

⑸ The reason why blockchain talents cannot be found even with an annual salary of 5 million

Recently, a blockchain recruitment advertisement in Beijing went viral on WeChat Moments, requiring applicants to be familiar with blockchain technology. Those who have in-depth research on cryptography will be offered an annual salary of not less than RMB 5 million, with no upper limit.

Song Mofei told reporters that in the actual development process, simply mastering the use of some blockchain tools is far from enough, because blockchain is inefficient and scalable. There are still many problems in terms of security, etc., which requires developers to improve the underlying platform of the blockchain to meet the needs of practical applications. Blockchain technology integrates cryptography, computer networks and game theory, and is a typical composite discipline. Mastering and understanding the underlying technology of blockchain does not happen overnight.

In the view of Shan Yi, chief data officer of Liepin.com, the core of blockchain is a change in social relations and business models based on the Internet's distributed trust system, and this change is based on decentralization. are typical characteristics. "There are still many uncertainties in the future development of blockchain. There is an obvious bubble at present, and many blockchain projects are unreliable." He said.

⑹ What are the blockchain training institutions?

There are currently many blockchain training institutions, including Dark Horse Programmers, Kongyi Academy, Shenzhen Chuang Academy, Jutui Academy, 51CTO, etc. , training costs range from a few hundred yuan to tens of thousands of yuan.

In general, although online learning is cheap and time-flexible, online courses are more suitable for general knowledge and are not the main force in blockchain training.

Offline learning is usually more advantageous for courses with strong technical and operational aspects like this. However, for novices with no basic knowledge, it is difficult to master a programming language in a few months. , let alone the ability to practice comprehensive blockchain technology.

Compared with the traditional offline training duration of several months, some short-term training courses and training camps appear more "dreamish". They generally have a luxurious team of lecturers, the training time ranges from one to six weeks, and the tuition is more than 20,000 yuan. They focus on high-end training. Take a certain college as an example:

This college claims to focus on blockchain Technology research and development and blockchain technology education are committed to becoming the first learning platform for blockchain technology development. The college has strong research and development capabilities and has invention patents in the field of blockchain for multiple projects.

The teaching team is composed of doctors and experts from well-known domestic and foreign universities such as Tsinghua University, Oxford University, University of Chicago, University of Chinese Academy of Sciences, etc., and has been engaged in blockchain technology research, software development and other work for a long time.

Course arrangement of a certain college

Such efficient learning makes people sigh. Sure enough, a team of teachers composed of doctors and experts from well-known universities can teach students in no more than 150 hours. Within hours, students can masterMaster blockchain related technologies.