Blockchain digital authentication

1. Legally, China only has restrictions on the issuance and speculation of currency in the blockchain, because a large amount of black money in China, such as those of corrupt officials, will be illegally obtained overseas by means of digital currency. If the blockchain digital currency is opened up and traded casually, it is estimated that China can not control the outflow of black money. Now the law encourages blockchain. In addition to legal currency, China encourages and supports other blockchain technologies.

2. Basically, the principle is the same. Take baopin.com as an example, baopin.com's video blockchain authentication is actually DAPP. First, it takes a screenshot of the video's key frames per minute, then transcodes it into a string of unique numbers, and then uploads and records it into the Ethereum blockchain.

3. You should fill in your personal identity information, real name system, nickname, mobile phone number, Alipay, face sweeping, and you need to pay one yuan to verify your identity.

4. At the global financial Technology Innovation Summit hosted by people's daily digital communication, Li Junshan, President of the national blockchain Research Institute and director of the blockchain Certification Center, said that there are three elements to judge whether a blockchain project is worth investing

5. Blockchain is its underlying application technology, and digital currency is its currency. Its practical application has little impact on the fluctuation of digital currency
when the economy is stable, it doesn't rise. When the economy is in turmoil, people begin to store digital currency. Of course, it is convenient for some corrupt elements
now the economy is stable, the digital currency is in a bear market, the financial crisis, the crisis, and only when there is a crisis can there be an opportunity. At that time, the rapid growth of bitcoin was the opportunity in the financial crisis. Don't worry, there will be a bull market in digital currency, which is expected to come in the second half of next year

6. 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".

8. There are Yuanbao shops in Tianlong Babu