English of blockchain bitcoin
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blockchain is a general technology derived from bitcoin. It implements a decentralized database model. Bitcoin can be called blockchain 1.0 because it has no concept of smart contract. The key technologies of blockchain include cryptography encryption and decryption and consensus mechanism. Blockchain is generally used to combine with specific business logic, which needs to rely on smart contract, which provides an execution mode free from human interference
the IPO of ICO originates from the concept of initial public offering (IPO) in the stock market. It is the behavior of blockchain project to issue token for the first time, raise bitcoin and solve Ethereum and other common digital currencies.
blockchain technology is not only the underlying technology of bitcoin, but also the core and infrastructure of bitcoin bitcoin has been running without any centralized organization operation and management. Later, bitcoin technology was abstracted, which was called blockchain technology or distributed ledger technology
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disadvantages of blockchain technology applied to digital currency:
first, there is no circulation management organization for "decentralization" blockchain technology is essentially a distributed database system with one-way linked list logic structure and P2P network design mode, which determines that there is no unified central control system for virtual currency based on blockchain technology
Second, it is difficult to effectively control the quantity supply the circulation of virtual currency based on blockchain technology is fixed, and according to Fisher Equation, the total transaction volume of the whole society under a certain price level in a certain period has a certain proportion with the required nominal currency volume, while the constant currency volume obviously can not meet the requirements of the growing total price of social goods Thirdly, "mining mechanism" is difficult to create recognized value bitcoin itself has no value and no national credit support. Some people think that "by continuously consuming computing power and energy to inject value into virtual currency", but it is obviously not the most efficient choice to consume millions of calculations in order to find a hash value that meets the requirements Fourthly, procers and early holders are easy to get high seigniorage any virtual currency based on blockchain technology is held by a few people at the initial stage of its development. Take bitcoin as an example. At first, bitcoin was only a proct of a few people's game. The first bitcoin purchase in May 2010 was $10000 BTC's purchase of $25 pizza. The first bitcoin transaction completed in July of the same year was $0.04/btcblockchain related applications include digital currency crowdfunding platform, coin Ying China, and asset custody system developed by China Post Based on blockchain technology.
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Ping An insurance company of China is short for Ping An
Ping An insurance (Group) Company of China Ltd is the English full name of Ping An insurance (Group) Company of China Ltd. It was born in Shekou, Shenzhen in 1988. It is the first joint-stock insurance company in China and has developed into an integrated, close and diversified comprehensive financial service group integrating financial insurance, banking, investment and other financial businesses
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development process
in September 2018, Ping An insurance (Group) Co., Ltd. of China signed a strategic cooperation agreement with Huaxia Xingfu Jiye Co., Ltd., and the two sides will become strategic cooperative enterprises to strengthen cooperation in new instrial towns, comprehensive financial services and emerging instries
in March 2019, Ping An insurance group of China (Ping An of China) and singularitynet, a decentralized artificial intelligence (AI) start-up based on Ethereum (ETH), reached a cooperation. The cooperation between the two sides will first focus on optical character recognition (OCR), computer vision (CV) and model training