+"2fc" hints at a duality, a system built on [Two Elements](/wiki/Two_Elements) working in concert. It signifies a reliance on distinct components to achieve a singular goal, often for enhanced [Verification](/wiki/Verification) or strength. This foundational concept underpins many processes, from digital safeguards to balanced designs.
+## See also
+- [Authentication](/wiki/Authentication)
+- [Security](/wiki/Security)
+- [Factor](/wiki/Factor)
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