S.C. Code Ann. § 62-2-1025: Terms-of-service agreement.

(A) This part does not change or impair a right of a custodian or a user under a terms-of-service agreement to access and use digital assets of the user.

(B) This part does not give a fiduciary or a designated recipient any new or expanded rights other than those held by the user for whom, or for whose estate, the fiduciary or designated recipient acts or represents.

(C) A fiduciary's or designated recipient's access to digital assets may be modified or eliminated by a user, by federal law, or by a terms-of-service agreement if the user has not provided direction under Section 62-2-1020.