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Mykeymykey, the first multi chain smart wallet in the world, has supported Ethereum, EOS and wave field chain. MyKey identity management aims to provide an easy-to-use, secure and fault-tolerant solution to solve the problem of user's private key management and establish the user's identity on the blockchain. MyKey scheme is between the centralized custody scheme and completely handing over the custody responsibility to the users, and has made several innovations. 1. Permission separation settings. MyKey divides the user's permissions on the chain into management permissions and operation permissions. Operation authority is used for daily operations, such as transfer, mortgage, etc. Management authority is the highest authority of an account, but it can only modify the user's permission, but not directly operate the account assets and daily operations. 2. Hierarchical key management. Once the MyKey management private key (recovery code) is exported, it will be stored offline forever. We recommend that users copy multiple copies or use hardware wallet management. The operation private key is closely bound to the user's smart phone, so the user does not need to care about the details of the technology implementation, but only needs to provide the account password or the correct biometrics to retrieve the operation private key. 3. Delay recovery mechanism. In order to avoid the immediate consequences caused by the loss of private key, MyKey needs a certain delay when changing the private key. At the same time, MyKey provides an emergency contact mechanism. After passing the out of chain identity authentication, the emergency contact can help quickly replace the key, or help to regain the management authority (with dreddit digital currency groupelay) when the management private key is lost. 4. Risk response system. Based on the previous points, under MyKey system,

Wal Mart is applying for a patent for a cloned UAV Using blockchain technology, an unmanned aerial vehicle (UAV) coordination system based on blockchain technology.

Sbiholding, a Japanese financial giant, announced that it has built scoin platform through corda blockchain platform of R3 company, and started to coreddit digital currency groupnduct demonstration test on it since July. The platform can issue digital currency according to design requirements. In this demonstration experiment, SBI holdings also plans to issue a payment currency, scoin, on the scoin platform. In addition, in this experiment, sbiholding has also established a mechanism that can combine the scoin platform with the remittance application of moneytap, a subsidiary of sbiholding.

According to the business daily, Chen Jining, deputy secretary of the CPC Central Committee and mayor, said that at present, three aspects of work are mainly considered. First, focus on the development of digital economy and regulatory technology, focus on the development of digital economy and regulatory technology. From the perspective of the government, we should focus on breaking through the scientific and technological breakthroughs in the underlying and general technologies, continue to deepen the pilot of supervision sandbox, promote the construction of legal digital currency Experimental Zone and digital currency financial system, and promote the construction of trade financial zone relying on the trade finance blockchain platform of the central bank The standard system of block chain will pay close attention to the maintenance of financial security, and build a financial science and technology development ecology that not only ensures security, but also benefits innovation. Second, lay a solid foundation and promote the innovation of key technologies at the bottom. Third, deepen the opening up and promote the international development of financial science and technology.