Farcaster

The value of an FID is in the social graph—both stated (following) and revealed (activity). Profile is secondary.

There is minimal (no?) value in the onchain primitive absent the above.

if you are looking to trade your Farcaster accounts - 

fid.market is the place with open-sourced contracts & over 70ETH in volume

building far.quest & @wieldlabs.eth. cofounder at miy.com ventures. FID #274. Previously Square/Cash App. https://hiimnico.xyz/

I just checked
So people are really selling FIds.