Does Hanbang hi tech have a blockchain

2. IBM, Microsoft, Oracle, Accenture, Tencent, Alibaba, Jingdong, network, etc. have all done it. Many large banks, including Ping An Bank, have also launched their own blockchain solution platforms or solutions. However, it should be added that large companies do not mean strong technical strength, because blockchain is still in the hot stage of concept in the world. Unicorn blockchain companies are likely to emerge in the future, such as EOS in foreign countries and honeycomb chain of Fanrong technology in China. The efficiency of TPS and packing into blocks may be much higher than that of large companies.

3.

Blockchain platforms include Ethereum, Asch and other underlying application development platforms

Ethereum, an open source public blockchain platform with smart contract function, provides decentralized Ethereum virtual machine to process point-to-point contract through its special cryptocurrency ether (ETH)

arch, a decentralized application platform based on side chain technology. Asch is designed to lower the threshold of developers, such as using JavaScript as the application programming language and supporting relational database to store transaction data, which is believed to be very attractive to developers and small and medium-sized enterprises

extended data

in 2008, Nakamoto first proposed the concept of blockchain. In the following years, blockchain has become the core component of electronic currency bitcoin: public account book for all transactions

by using peer-to-peer network and distributed timestamp server, the blockchain database can be managed independently. The blockchain invented for bitcoin makes it the first digital currency to solve the problem of repeated consumption. Bitcoin's design is a source of inspiration for other applications

bitcoin is the absolute mainstream of digital currency, and digital currency is in full bloom. Bitcoin, litecoin, dogecoin, dashcoin are common. In addition to currency application, there are various derivative applications, such as Ethereum, Asch and other underlying application development platforms, as well as NXT, SIA, bitstocks, maidsafe, ripple and other instrial applications

4. Blockchain mainly solves the trust and security problems of transactions, so it proposes four technological innovations to solve this problem:
(1) distributed ledger, that is, transaction bookkeeping is completed by multiple nodes distributed in different places, and each node records complete accounts, so they can participate in monitoring the legitimacy of transactions, At the same time, they can testify together
different from traditional distributed storage, the uniqueness of distributed storage of blockchain is mainly reflected in two aspects: one is that each node of blockchain stores complete data according to block chain structure, while traditional distributed storage generally stores data in multiple copies according to certain rules. Second, the storage of each node in the blockchain is independent and has the same status, which relies on the consensus mechanism to ensure the consistency of storage, while the traditional distributed storage generally synchronizes data from the central node to other backup nodes[ 8]
no single node can record the account data separately, so as to avoid the possibility that a single bookkeeper is controlled or bribed to record false accounts. In theory, unless all the nodes are destroyed, the accounts will not be lost, so as to ensure the security of the account data
(2) asymmetric encryption and authorization technology, the transaction information stored on the blockchain is public, but the account identity information is highly encrypted, which can only be accessed under the authorization of the data owner, thus ensuring the data security and personal privacy
(3) consensus mechanism is how to reach a consensus among all accounting nodes to determine the validity of a record, which is not only a means of identification, but also a means of preventing tampering. Blockchain proposes four different consensus mechanisms, which are suitable for different application scenarios and achieve a balance between efficiency and security
the consensus mechanism of blockchain has the characteristics of "the minority is subordinate to the majority" and "everyone is equal", in which "the minority is subordinate to the majority" does not completely refer to the number of nodes, but also can be the computing power, the number of shares or other characteristics that can be compared by computers“ "Everyone is equal" means that when the nodes meet the conditions, all nodes have the right to put forward the consensus results first, and then directly recognized by other nodes, and finally may become the final consensus results. Taking bitcoin as an example, the workload proof is adopted. Only when more than 51% of the accounting nodes in the whole network are controlled can a nonexistent record be forged. When there are enough nodes in the blockchain, this is basically impossible, thus eliminating the possibility of fraud.
(4) smart contract, which is based on these trusted and tamperable data, can automatically execute some pre-defined rules and terms. Take insurance as an example. If everyone's information (including medical information and risk occurrence information) is true and reliable, it is easy to carry out automatic claim settlement in some standardized insurance procts

5.

At present, there are quite a lot of MSB licenses in the United States. The bigger ones are Huo coin, coin an, and the smaller domestic second and third tier exchanges are all licensed. At present, the licenses are also a trend in the future. They are all moving towards standardization, and there are more than 20 applications for licenses every month

for example: US MSB, Estonia, Australia

6. More and more people want to join in the development of blockchain. What are the requirements for the development of blockchain? In addition to a solid programming ability, but also skilled in a variety of related technologies. It can be summarized as the following four points:
1. Continuously improve the blockchain Technology: improve the parameters, performance and ease of use such as operability and scalability, and at the same time generate new technologies such as side chain, sub chain, cross chain, layering, fragmentation and zoning, so as to promote the technical maturity of blockchain
2. A real payment instrument is indispensable as the carrier of value scale, value storage and exchange medium. Bitcoin's value is very unstable, so it will not become a payment tool. Stable currency is likely to be qualified for this position. The central bank government can consider issuing legal digital currency as a general blockchain payment tool
3. The regulatory system and laws and regulations of blockchain should also keep up. Users' digital assets need legal protection, and institutions participating in blockchain projects also need to be supervised to ensure legal compliance. Therefore, blockchain cannot be absolutely decentralized, and its decentralization is more relative to the Internet
4. Improve the security of blockchain:
confidentiality: also known as confidentiality, means that data will not be leaked to unauthorized users or entities
integrity: ensure that the data can be quickly found in the process of transmission and storage without authorization
availability: refers to the ability of authorized entities to receive services in time when they need information. All kinds of network or node disruption, denial of identity, denial of service (DOS) attacks, delayed use, etc., will damage the availability
authentication is closely related to the above three elements. Only on the basis of identity authentication can effective authorization be managed
in addition, data privacy protection is also very important. With the development of artificial intelligence technology, people are more and more aware of the importance of private data, and realize that it not only involves personal privacy, but also has commercial value. Blockchain and its encryption algorithm can not only protect private data, but also bring real benefits to users. This will become an important development direction of blockchain.

7. Digital currency and blockchain are organically combined,
is closely related,
blockchain is the bottom technology of digital currency<
take sec social e-commerce chain as an example,
sec uses blockchain technology to decentralize and create a trust machine, which solves the trust problem at the bottom of social e-commerce
recently, I just studied the white paper of SEC,
it can be said that SEC's social e-commerce chain is to build the next generation of social e-commerce ecology

projects with unlimited potential are suitable for starting.

8. If you haven't heard of blockchain, maybe you've heard of bitcoin
blockchain is the underlying technology of bitcoin. You can understand it as an account book. This account book is a decentralized distributed account book. Every bill in the account book is the block in the blockchain, and each block records transaction information. Because it is decentralized and not under the jurisdiction of a third party, the information in the block can not be tampered with, and all the information can be traced. This is why blockchain is often used for traceability to help users see the source information of goods
blockchain can't be explained clearly in one or two sentences. If you want to understand blockchain, you can look at the relevant information in password finance.