▁B anks . ▁These ▁se cur ities ▁are ▁back ed ▁by ▁mort g age ▁lo ans , ▁and ▁due ▁to ▁their ▁creation ▁from ▁these ▁particular ▁corpor ations ▁that ▁are ▁spons ored ▁by ▁the ▁U . S . ▁government , ▁they ▁enjoy ▁credit ▁protection ▁based ▁on ▁either ▁an ▁explicit ▁guarantee ▁from ▁the ▁U . S . ▁Government ▁in ▁the ▁case ▁of ▁G inn ie ▁Ma e ▁se cur ities , ▁or ▁an ▁implicit ▁guarantee ▁from ▁the ▁U . S . ▁Government ▁in ▁the ▁case ▁of ▁F ann ie ▁Ma e ▁and ▁Fred die ▁Mac . ▁Agency ▁se cur ities ▁also ▁used ▁as ▁coll ater al ▁for ▁the ▁supply ▁of ▁money ▁released ▁by ▁the ▁Federal ▁Reserve . ▁This ▁coll ater al ▁is ▁chief ly ▁held ▁in ▁the ▁form ▁of ▁U . S . ▁Tre as ury , ▁federal ▁ag ency , ▁and ▁government - sp ons ored ▁enter prise ▁se cur ities . ▁ ▁Due ▁to ▁the ▁expectation ▁of ▁federal ▁backing , ▁these ▁se cur ities ▁histor ically ▁hold ▁the ▁highest ▁credit ▁rating ▁possible . ▁ ▁References ▁ ▁External ▁links ▁ ▁G inn ie ▁Ma e ▁ ▁F ann ie ▁Ma e ▁ ▁Fred die ▁Mac ▁ ▁Category : Sec ur ities ▁( fin ance ) ▁Category : Sto ck ▁market <0x0A> </s> ▁This ▁is ▁a ▁list ▁of ▁properties ▁and ▁districts ▁in ▁Whit field ▁County , ▁Georgia , ▁United ▁States , ▁that ▁are ▁listed ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁( NR HP ). ▁ ▁Current ▁list ings ▁ ▁| } ▁ ▁References ▁