Funds are gathered from various locations and withdrawn at once at a single place, converging them into a single flow. This is similar to how a funnel works, hence the name. A funnel account is simply used as a means of transferring wealth from one part of the country to another.
These funnel accounts may not raise any red flags immediately, as there is nothing illegal in depositing and withdrawing funds from an account. However, there are a few signs of continuous activity that can help to flag a possible funnel account as suspicious.
A funnel account's main function is to simply provide a gateway to transfer illegal funds from one place to another Money launderers treat it as so and may put in multiple deposits of large amounts in a short amount of time. The account does not
Sounds very like what happens to Hive rewards!