China blockchain patent ranking
IPR daily, an intellectual property media, recently released a report, which listed the number of blockchain invention patents published in the world from January 1, 2019 to June 30, 2019, among which China ranked first, accounting for 67% of patent applications. Alibaba ranked first with 322 patents, followed by Ping An of China, with 274 patents, Third, nchain has 241 patents.
a method and device for writing business data to the blockchain system. Alibaba Group Holding Co., Ltd. is in trial; Cn107368259a
a method and device for business processing. Alibaba Group Holding Co., Ltd; Cn107341702a
a blockchain system, data storage method, and device, which is approved by Alibaba Group Holding Co., Ltd; Cn107018125a
a data storage method, a data query method and a device for Alibaba Group Holding Co., Ltd; Cn107862215a
an authentication method, a block chain based authentication data processing method and equipment are being examined by Alibaba Group Holding Co., Ltd; Cn107257340a
a method and device for business acceptance and consensus: Alibaba Group Holding Co., Ltd; Cn107395659a
a method and device for business verification in Alibaba Group Holding Co., Ltd; Cn107040585a
a method and device for communication between blockchain nodes. Alibaba Group Holding Co., Ltd; Cn107592292a
multi blockchain network data processing method, device and server, China Alibaba Group Holding Co., Ltd; Cn107453896a
a method and device for data storage and query based on blockchain, approved by Alibaba Group Holding Co., Ltd; Cn107239479a
et al
the definition of blockchain
in a narrow sense, blockchain is a kind of chained data structure that combines data blocks in a sequential way according to the time sequence, and it is a distributed account book that can not be tampered with and forged by means of cryptography
broadly speaking, blockchain technology uses blockchain data structure to verify and store data, uses distributed node consensus algorithm to generate and update data, and uses cryptography to ensure the security of data transmission and access It is a new distributed infrastructure and computing method to program and operate data by using intelligent contract composed of automated script code
there are many channels to learn blockchain
① you can buy some books related to blockchain, learn some knowledge related to blockchain, take notes in your spare time, and consult relevant information
② watch some videos of blockchain on the Internet, the contents of which are easy to understand, with relevant examples, It's also a very good way to learn
③ you can take part in some offline blockchain learning exchange meetings, or take part in some training courses, and some teachers will answer questions for you
to sum up,
all roads lead to Rome. There are many channels to learn blockchain, and the best one is suitable for you
In fact, as of August last year, Bank of America had filed at least 30 patent applications for blockchain technology, while in February last year alone, they filed nine applications with the U.S. patent and Trademark Office
According to the information released by the South Korean Intellectual Property Office (KIPO), the number of patent applications for blockchain has increased significantly worldwide
the South Korean Intellectual Property Office released a report on Wednesday (March 21), which showed that the number of patent applications for global blockchain reached 1248 in 2017, and the top five countries and regions were the United States, the European Union, China, Japan and South Korea
