Throwing out some thoughts to see what sticks

Issuer posts criteria
Recipient posts proof and webmentions criteria
Issuer validates and posts award and webmentions Recipient

Private/ephemeral/shared secret?/client specific? information in webmention?

geofence = GPS+Bounding

2 stage assert workflow for IndieMon

Monster Creator posts geofence (venue) [criteria] [Monster deployment post?]
Claimant posts check-in [proof] and webmentions geofence (venue)
Monstor Creator validates check-in, webmentions Claiment, includes list of Monsters [award, shared secret]

Claimant posts Monster [award, shared secret, proof] to (venue)
Monstor Creator validates Monstercheck-in, webmentions Claiment, includes list of Monsters [award, shared secret]

Decentralize
IndieMon webring? check-in to each site

Centralize
Venue clearing house (proxy-to-silo? swarm?)

assertion brainstorming
location
basic HTML req, GET, PUT, POST
indiewebify.me -> some measurable action