Revelation 13:17

so that no one could buy or sell unless he had the mark—the name of the beast or the number of its name.

Berean Standard Bible
Other translations

King James Version

And that no man might buy or sell, save he that had the mark, or the name of the beast, or the number of his name.

World English Bible

and that no one would be able to buy or to sell unless he has that mark, which is the name of the beast or the number of his name.

American Standard Version

and that no man should be able to buy or to sell, save he that hath the mark, even the name of the beast or the number of his name.

Geneva Bible 1599

And that no man might buy or sell, saue hee that had the marke, or the name of the beast, or the number of his name.

Darby Translation

and that no one should be able to buy or sell save he that had the mark, the name of the beast, or the number of its name.

Young's Literal Translation

and that no one may be able to buy, or to sell, except he who is having the mark, or the name of the beast, or the number of his name.

Bible in Basic English

So that no man might be able to do trade but he who has the mark, even the name of the beast or the number of his name.

In context

16And the second beast required all people, small and great, rich and poor, free and slave, to receive a mark on their right hand or on their forehead,

18Here is a call for wisdom: Let the one who has insight calculate the number of the beast, for it is the number of a man, and that number is 666.

Read Revelation 13