I was more thinking about non-profit's own payment network over cc & others.
Fraud can be solved by making each irreversible txn ratable. Each seller can choose to make sum of all ratings and txn over some period public to appear more trustworthy. The algo can be more tweaked but txn rating is the gist.
Fraud can be solved by making each irreversible txn ratable. Each seller can choose to make sum of all ratings and txn over some period public to appear more trustworthy. The algo can be more tweaked but txn rating is the gist.