Yes, there is a possible role for Fedimint in the retail part of Bitcredit, although this introduces some custodial risk. An alternative solution may be ARK.

The novel solution of Bitcredit lies elsewhere. It mints bitcoin-denominated currency from commercial e-bills issued by businesses, real economy value, instead of just transforming or locking financial value.

Let's say, Bitcredit is a new on-ramp for accelerated adoption by the real economy.