S.C. Code Ann. § 26-6-90: Showing that electronic record or signature is attributable to a person; effect of electronic record or signature.

(A) An electronic record or electronic signature is attributable to a person if it is the act of the person. The act of the person may be shown in any manner, including a showing of the efficacy of a security procedure applied to determine the person to which the electronic record or electronic signature was attributable.

(B) The effect of an electronic record or electronic signature attributed to a person pursuant to subsection (A) is determined from the context and surrounding circumstances at the time of its creation, execution, or adoption, including the parties' agreement, if any, and as otherwise provided by law.