The rapid expansion of digital technology, accelerated by the COVID-19 pandemic, has raised unprecedented questions about sacramental validity: Can absolution be given over the phone? Can the Anointing of the Sick occur through a screen? Does livestreamed Mass constitute participation? This paper argues that such practices are invalid because they rupture the sacramental principles of ex opere operato, ex opere operantis, and instrumental causality. Drawing on patristic sources (Cyprian, Augustine, Chrysostom, Ambrose), scholastic theology (especially Aquinas), and Aristotelian philosophy, the study demonstrates that the sacraments are irreducibly embodied realities. The minister, as Christ’s living instrument, must be physically proximate to the sacramental matter; remote actions fail to complete the sign instituted by Christ. While livestreamed or virtual practices may foster devotion (ex opere operantis), they cannot confer sacramental grace. In an era tempted to virtualize everything, the sacraments stand as a radical reminder of the Incarnation: grace comes through tangible, embodied encounters.
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