1, be vigilant when propagating "routines".

2. Purchase channels should be formal.

3. invest according to your ability.

4. Find out the details in advance.

5, decision-making should be rational and cautious.

6. Continue to pay attention after the investment.

legal ground

Article 469 of the Civil Code stipulates that both parties may conclude a contract in writing, orally or in other forms. Written form refers to contracts, letters, telegrams, telexes, faxes and other forms that can tangibly express the contents contained.

A data message that can tangibly express its content through electronic data interchange, e-mail, etc. , and can be retrieved at any time, are considered in writing.