After applying for opening a bank account, users need to be authenticated. The user access system of the bank will send the account opening application information to the system. After verification, a digital RMB wallet will be created for users and a certificate will be issued to them. The system will feed back the successful registration information with the issuer's digital signature, and bind the bank account with digital currency wallet.

What are the functions of digital wallet?

1. Save the key of blockchain assets, which we call saving the private key.

You can check your assets. According to your private key, public key and address, you can check how many bitcoins and ethereum you have in the blockchain.

3. When transferring money from the wallet, the signature required in the transfer process and the function of broadcasting to the blockchain network will be used.

What types of digital wallets are there?

1. All-node wallet: All-node wallet not only saves the private key, but also saves the data of all blocks, thus directly verifying the validity of local transaction data.

2. Light wallet: It does not save all the data of the block, but only the data related to itself, so it is very small.

3. Cold wallet (offline wallet): Cold wallet, also known as offline wallet, includes hardware wallet, paper wallet and brain wallet. Generally speaking, it can be understood as a wallet without a network environment.

4. Hot wallet (online wallet): a wallet or hot wallet when always connected to the network. For example: APP wallet on mobile phone, web wallet on computer, etc.

How to buy money funds to make money?

The income of money funds is relatively stable, and the product income of each money fund is different. Investors only need to choose the money fund with high expected income to invest. Money funds mainly invest in money market instruments, such as deposits and certificates of deposit, which are characterized by high liquidity, low risk and stable returns.

The Monetary Fund calculates the seven-day annualized income, and the seven-day annualized rate = principal * interest rate *7/365. Money fund income does not need to be calculated manually by investors, and will be directly displayed in positions.

Is the money fund risky?

The risk of money funds is small, but the income is also quite limited, and sometimes even less than bonds. But the liquidity is good, and there is no possibility of loss.

Money fund investment risk:

1, cash, money fund, short-term bank time deposit or large deposit certificate: there is a risk of bank failure;

2. Bond and bond repurchase: possible risk bond default and interest rate risk;

3. Short-term central bank bills: risk interest rate risk.

In fact, the risk of the money fund is very small. If you choose the right fund, many of the above risks will only appear in extreme cases.