It's very coordinated; these are all fake accounts. 

These accounts are DMing everyone, maybe trying to scam. I don't know; I just block them and report them. 

Users should be very careful, and it should be communicated properly.
https://image.nostr.build/d45a2e6b3c73b5d09542d795e58215e4997ed0b56e8f32e2c8ebb618e4120934.jpg
https://image.nostr.build/18f930a380d9bb7cbe1075c67b55558e3747ecc8f4939959de796a5346d321ec.jpg