You can pay to remove videos of you off the platform, revenge porn site style.

Ooh, this is clever.

Rental fees from people who want to put out exactly these kind of packages to deter theft. You'd need a high deposit to cover loss of the device. On the other hand mass-producing it would certainly allow both economy of scale and substituting lower cost parts than (for example) an off-the-shelf cellphone for video capture and streaming.

Offer cash rewards.

The system takes a cut.

Crowd-sourced bounty-hunting.

Of course, once it becomes a cash transaction you're dealing with dispute resolution. "I said it was Fred" "It wasn't Fred" "Yes it was! Pay me!".