If you directly transfer to a securities account or a futures account, it is likely to be discovered (I mean, your bank card happens to be the corresponding account for bank-securities transfer), so it will be discovered soon, and it will be more troublesome. But if you transfer money through two or three people, or through Taobao shopping and other similar purposes, or through a commodity company, it is absolutely safe. Banks simply don't have that much manpower to check money in several corners.