Lock position refers to the investment term, which is usually used for spot trading, foreign exchange margin trading and futures margin trading. Lock positions generally refer to investors opening new positions that are opposite to the original positions after buying and selling contracts. It is also called lock positions, lock orders, and even euphemistically called Butterfly Qi Fei. Locking is generally divided into two ways, namely profit locking and loss locking. The so-called lock position generally refers to an operation method in which investors open positions with the same amount but in the opposite direction, so that the profit and loss of positions will not increase or decrease no matter where the price changes.

Locking doesn't just happen on content platforms. Other blockchain projects also have locking mechanisms. For example, AE had a plan to lock the warehouse to earn interest a few days ago, but Tianya didn't seriously check whether it was true or not. The purpose of project warehouse locking is mostly to reduce the number of tokens circulating in the market, with less circulation and convenient market value management. In the content platform, locking mechanism is very common. For example, Steemit designed by the Great God BM has a locking mechanism, and the following coins, primas and northward, including the degenerate "knowing coins" have different locking mechanisms.