Parallel
Revelation 13:17
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
καὶ ἵνα μή τις δύναται ἀγοράσαι ἢ πωλῆσαι, εἰ μὴ ὁ ἔχων τὸ χάραγμα, τὸ ὄνομα τοῦ θηρίου ἢ τὸν ἀριθμὸν τοῦ ὀνόματος αὐτοῦ.
so that no one could buy or sell unless he had the mark—the name of the beast or the number of its name.