It is not recommended to participate in old coins that have a lot of hold-up plates at the top and are very old. Basically, the purpose of these currency pulls is to attract investors to take over. This behavior generally occurs in the middle and late stages of the bull market. Some older currencies will suddenly rise in the middle and late stages of the bull market to attract the attention of investors. Although there is room for profit, once you are trapped, you may not be able to get out of the trap for several years. For example, FIL ICP, once caught at a high level, the price is close to being killed at the current price.