Wallaby is a passive/proxy card, routing to a BIN range controlled by them. Cheaper to produce (it's just dumb plastic), more expensive to run (since they're si

Wallaby is a passive/proxy card, routing to a BIN range controlled by them. Cheaper to produce (it's just dumb plastic), more expensive to run (since they're sitting in the middle of each transaction) -- but that's also where they can build value.