First of all, it is very important for investors to choose a good currency. Choosing the right currency can make investors make money when the market trend is optimistic.

Blockchain is a new application mode of distributed data storage, point-to-point transmission, knowledge mechanism, encryption algorithm and other computer technologies. It is an important concept of bitcoin. It is essentially a decentralized database. At the same time, as the underlying technology of Bitcoin, it is a series of data blocks generated by cryptography. Each data block contains a batch of online transaction information of Bitcoin, which is used to verify the validity (anti-counterfeiting) of the information and generate the next block.