It's an NFL Survivor Pool denominated in Bitcoin. I run that account on X and the telegram group

Something big is happening in early August. The Satoshi Sharps Survivor Pool goes live for our 5th season. This year we’re doing something different. We are running 2 pools. A Pleb Pool and a Whale Pool. Follow https://x.com/i/status/2076301980411232670 to stay tuned for updates.