Do I need SMS verification to sell stocks in a straight flush?

It can effectively prevent this kind of problem from making continuous login attempts to specific registered users by using a specific program brute force cracking method, and play a role in protecting the straight flush account. Verification code exists in an irregular form in a picture mixed with many disturbing pixels, which is difficult for people to see and even more difficult for machines to recognize.

A stock is a certificate of ownership issued by a joint-stock company. It is a kind of securities issued by joint-stock companies to shareholders as holding certificates in order to raise funds and obtain dividends and bonuses. Stock is the main long-term credit tool in the capital market, which can be transferred and traded. With it, shareholders can share the company's profits, but also bear the risks brought by the company's business mistakes.