What is cold chain blockchain

1. There are many forms of bitcoin wallets, such as PC or mobile wallet clients, online web wallets, and even small notebooks (paper wallets) or brains (brain wallets) that record the private key of bitcoin. You can choose the right wallet according to your needs

bitcoin wallet can be divided into cold wallet and hot wallet according to the storage method of private key

01. A cold wallet is a wallet that can't access your private key on the Internet

cold wallets often rely on "cold" devices to ensure the security of bitcoin's private key, such as computers that are not connected to the Internet, mobile phones, small notebooks with private key addresses, etc. Cold wallet avoids the risk of hackers stealing the private key, but may face physical security risks, such as computer loss and damage

02. Hot wallet refers to the wallet that can access your private key on the Internet

Hot wallets are often in the form of online wallets. When using hot money package, it is better to set different passwords on different platforms and open secondary authentication to ensure the security of your assets

wallet is actually "a management tool for private key, address and blockchain data".

2. During the epidemic period, the ant chain helped Hubei to launch the "Eleng chain". Consumers can know the origin, logistics and distribution of food to the maximum extent, and also connect with Hubei health code. In the process, ant chain blockchain technology ensures that any link of data changes will leave traces, ensures that the data will not be easily tampered with, realizes the technical breakthrough of the traditional traceability and anti-counterfeiting system, such as opaque information, easy data tampering, poor security and so on.