friend.tech and its imitation disks can be compared to the web3 version of Knowledge Planet. Paid groups are relatively popular in the currency circle itself. During the last bull market, many KOLs had their own Knowledge Planet, and some of them are still operating today. very nice. With ft, users buy a key to join the group and experience it. If they are not satisfied, they sell it and leave the group. Big V works hard to increase the value of its key. The more people buy, the more transaction fees. The key point is long-term operation.