What is the Mark of the Beast?

Disclaimer: The views and opinions expressed in this article belong to the author and do not necessarily match my own. - Dr. Bart D. Ehrman

What is the Mark of the Beast? That question reminds me of an episode from July 2025, when then-U.S. Representative Marjorie Taylor Greene invoked the Book of Revelation while opposing the GENIUS Act, a major piece of legislation regulating stablecoins in the United States. 

Greene argued that the bill didn’t go far enough in preventing the eventual introduction of a central-bank digital currency and cited Revelation 13:16–17, the famous passage in which no one is able to “buy or sell” without the Mark of the Beast. 

For Greene, the warning seemed strikingly relevant to a future in which financial transactions might increasingly depend on digital systems subject to governmental control.

Whatever one thinks of that political argument, the episode illustrates something much older than cryptocurrency: for centuries, readers have looked at the technologies, institutions, and political powers of their own day and wondered whether they were finally witnessing the fulfillment of Revelation’s mysterious prophecy.

Whenever something like this enters public discussion, I am reminded of how important it is to understand biblical writings within their own literary and historical contexts before asking how, or whether, they might apply to the modern world.

Few biblical images demonstrate this more clearly than the Mark of the Beast. 

The expression has generated an extraordinary range of interpretations and become so deeply embedded in popular culture that it is easy to forget that it first appeared in a particular ancient text, written for particular readers living in a particular historical world. 

So where exactly does the Mark appear in the Book of Revelation? What would its imagery have communicated to Revelation’s earliest readers? And how did a few enigmatic verses eventually become associated with everything from political enemies to barcodes, microchips, and apocalyptic fiction? 

To answer those questions, we first need to return to the strange and symbolically charged world of Revelation itself.

Where Does the Mark of the Beast Appear?

In her book Revelations: Visions, Prophecy, and Politics in the Book of Revelation, Elaine Pagels notes:

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Written toward the end of the 1st century C.E., Revelation would itself have a complicated history within Christianity. 

Its status was disputed by some early Christian writers and communities, and debates over its authority continued for centuries. That history is perhaps unsurprising.

Revelation is unlike almost anything else in the New Testament: rather than presenting a continuous historical narrative or a collection of teachings, it draws the reader into an elaborate sequence of visions populated by angels, heavenly creatures, cosmic catastrophes, monstrous beasts, symbolic women, armies, plagues, and scenes of divine judgment.

It’s precisely within this densely symbolic world that we encounter the enigmatic “Mark of the Beast.”

The immediate literary setting is Revelation 12–13.

Chapter 12 introduces a great dragon, whom the text explicitly identifies as “the ancient serpent, who is called the Devil and Satan” (12:9). After being defeated in heaven and cast down to earth, the dragon turns his hostility against the followers of God.

Revelation 13 then continues the vision by introducing two new figures.

First, John (the visionary author who identifies himself at the beginning of Revelation) sees a terrifying beast rising from the sea, with ten horns, seven heads, and blasphemous names. The dragon gives this beast its power, throne, and authority, while the inhabitants of the earth marvel at it and worship both the dragon and the beast. 

Midway through the chapter, a second beast appears, this time rising from the earth. It exercises the authority of the first beast, performs spectacular signs, and directs the inhabitants of the earth to worship the first beast. The narrative therefore places the Mark within a much larger visionary drama involving the dragon and these two beasts.

Only toward the end of this sequence does the Mark itself appear. 

Revelation 13:16–18 says that the second beast causes everyone, “small and great, rich and poor, free and slave,” to receive a mark on the right hand or forehead, so that no one can “buy or sell” without possessing it. 

The text then links this mark with “the name of the beast” and “the number of its name,” before issuing one of Revelation’s most famous challenges: “Let anyone with understanding calculate the number of the beast, for it is the number of a person. Its number is six hundred sixty-six.” 

Yet the Mark doesn’t disappear after chapter 13.

It returns several times as the visionary narrative unfolds: those who worship the beast and receive its mark are threatened with judgment in chapter 14, appear again during the pouring out of the bowls of wrath in chapter 16 and are mentioned once more in the beast’s final defeat in chapter 19. By contrast, Revelation 20 describes those who refused to worship the beast or receive its mark among those who remained faithful.

Seen within this literary setting, then, the famous reference to the mark belongs to a carefully constructed sequence of visions and repeatedly reappears as the book moves toward its climactic confrontation between the forces opposed to God and those who remain faithful to him. 

Now that we have located the Mark within Revelation’s narrative world, we can turn to the more difficult question: what did John actually mean by it? 

To answer that, we need to look beyond the literary context and examine the historical and cultural world in which Revelation was written.

What Does the Mark of the Beast Mean?

In his Commentary on Revelation, Robert H. Mounce writes,

That observation raises the central historical question. What did the first readers of Revelation see when they encountered the “Mark of the Beast”? Or, to put the matter more carefully, can we reconstruct what the author expected them to understand?

The best place to begin is with the symbolic architecture of Revelation 13 itself. As Ben Witherington explains in his Commentary, John constructs a deliberate contrast between Christ and the beast.

Just as the Lamb shares God’s throne and authority, the beast receives its power, throne, and authority from the dragon. 

Even the beast’s apparently mortal wound is described in language that echoes the slaughtered Lamb. Revelation therefore presents two rival objects of worship and, ultimately, two rival allegiances.

That contrast helps explain why the Mark shouldn’t be treated as an isolated object or technological device. 

Revelation repeatedly distinguishes between those who belong to God and those who belong to the beast. 

In Revelation 14, immediately after the description of the beast and its mark, John sees the Lamb standing on Mount Zion with 144,000 followers who bear the name of the Lamb and of the Father on their foreheads. 

The literary contrast is difficult to miss: one group bears the name of God and the Lamb, while the other bears the mark, name, or number of the beast. 

The mark therefore functions above all as a sign of identity and allegiance. John’s concern isn’t simply that people possess something on their bodies, but that they have aligned themselves with a rival power that demands the worship and loyalty that, in John’s view, properly belongs to God alone.

What does the Mark of the Beast look like? Interestingly, Revelation never actually tells us. John says that the mark is placed on the right hand or forehead and associates it with “the name of the beast” or “the number of its name,” but he gives no description of its physical shape or appearance. 

This is significant because later interpreters have often tried to imagine the Mark as a particular visible object or technology. The text itself, however, is much more interested in what the Mark signifies than in what it looks like: it identifies those who belong to and give their allegiance to the beast.

The number attached to the Mark, however, allows us to move from this broader symbolism to a much more specific historical identification. 

Revelation 13:18 tells the reader to “calculate” the number of the beast because it is “the number of a person,” and that number is 666. 

Why is 666 the number of the beast? Discovering the answer requires knowing a bit about the ancient practice of gematria. 

In his book Armageddon, Bart Ehrman explains:

Revelation itself strongly suggests that this sort of calculation is intended. 

What does 666 mean in the context of gematria? The most widely accepted historical solution is Nero Caesar: when the name is written in Hebrew characters, its letters add up to 666. 

Even more strikingly, some ancient manuscripts give the number as 616. That variant can be explained if the Latin form Nero, rather than the Greek form Neron, lies behind the calculation, because dropping the final ‘n’ changes the numerical total accordingly.

Nero also makes sense within the imaginative world of Revelation for another reason. 

After his death in 68 C.E., stories circulated that he hadn’t really died and would one day return. These traditions were not confined to Christians. 

Roman, Jewish, and Christian sources all preserve different forms of the expectation, and several impostors appeared after Nero’s death claiming to be the emperor himself.

One such pretender even gained Parthian support in the late 1st century, close enough to the likely date of Revelation that such stories may still have been fresh in the minds of John’s audience.

Revelation appears to rework this cultural memory rather than merely repeating it. The beast whose mortal wound is healed evokes Nero, but Nero becomes more than a cipher for one dead emperor. 

He functions as a model of tyrannical Roman power itself: a ruler who embodies the empire’s capacity to demand worship, persecute the faithful, and present political authority in quasi-divine terms.

Furthermore, the word translated as “mark” adds another important dimension. 

The Greek term is charagma, a word that could be used for an imperial stamp on commercial documents or for the impression of the emperor’s image on coins.

Witherington therefore connects John’s imagery with the broader world of Roman imperial power and worship while remaining cautious about whether Revelation imagines a literally visible mark. 

The imperial cult is a crucial background here: a practice that often extended to live emperors as well. In his well-acclaimed study Emperor Worship and Roman Religion, Ittai Gradel notes:

So, it doesn’t come as a surprise that across Roman Asia Minor, cities maintained temples, priests, altars, festivals, and civic ceremonies honoring the emperor and the goddess Roma. 

All seven cities addressed at the beginning of Revelation had some connection with imperial worship, and participation in civic and economic life could be intertwined with these public expressions of loyalty. 

Against that backdrop, Revelation’s language about buying and selling, worshiping the beast, and bearing its mark would have evoked a world in which economic, civic, political, and religious loyalties weren’t neatly separated.

John transforms that world into an apocalyptic choice: to bear the Mark is to belong to the beastly order; to bear the name of God and the Lamb is to refuse that allegiance.

Seen this way, the Mark of the Beast belongs first and foremost to the political, religious, and symbolic universe of the Roman Empire rather than to some technological development thousands of years in John’s future. 

Yet that didn’t prevent later Christians from repeatedly relocating the beast into their own age. 

Once 666 escaped its 1st-century setting, popes, emperors, dictators, barcodes, credit cards, computers, and microchips would all eventually find themselves drawn into the story. 

To understand how that happened, we now need to turn from the historical meaning of Revelation 13 to its long and extraordinarily imaginative history of interpretation.

From Nero to Microchips: The Afterlife of the Mark of the Beast

In their book Revelation Through the Centuries, Judith Kovacs and Christopher Rowland note:

It is hardly surprising, then, that even the earliest post-New Testament Christian authors offered their own interpretations of Revelation 13. 

Irenaeus, writing in the late 2nd century, already knew that some manuscripts gave the number as 616 rather than 666 and discussed several possible names whose letters could yield 666, including Evanthus, Teitan, and Lateinos.

Significantly, however, he didn’t claim certainty about the identity of the Antichrist. Victorinus, writing somewhat later, connected the beast more directly with Nero, whom he regarded as both a past persecutor and a figure who would return in the future.

Not every Christian interpreter, however, tried to identify the beast with one particular individual. 

Tyconius, and later Augustine, helped establish a more symbolic approach. For Tyconius, the beast could designate the devil, his followers, corrupt Christians, or even sinful leaders within the Church. 

Augustine similarly incorporated Revelation’s beast into his broader contrast between the city of God and the earthly city.

Yet the temptation to identify Revelation’s symbols with contemporary enemies never disappeared. 

During the Middle Ages and especially the Reformation, the imagery of Revelation 13 became a potent weapon in religious controversy. 

John Wyclif identified the pope as Antichrist, Calvin spoke of a succession of popes occupying that role, and Protestant interpreters such as John Bale associated the beasts with Roman Catholicism and the papal hierarchy. 

William Tyndale went so far as to describe bishops and priests who preached false doctrine as servants of the beast who bore its mark. 

Catholic interpreters could respond by placing the beast and Antichrist in a still-future eschatological crisis rather than identifying them with contemporary Rome.

The number 666 proved especially adaptable. Once interpreters began searching for names that could be made to equal the beast’s number, the possibilities multiplied. 

Kovacs and Rowland record calculations involving William Laud, Louis XIV, popes, Muhammad, and, much later, Adolf Hitler. In the last case, an artificial numerical system was created in which A was assigned the value 100, B 101, and so on, allowing “HITLER” to add up to 666.

This history reveals one of the central problems with attempts to decode 666 apart from its ancient setting: if interpreters are free to change languages, spellings, numerical systems, or starting assumptions, an astonishing number of people can be made to fit.

The same tendency continued into the 20th century. Author Hal Lindsey associated European political integration with the ten-kingdom confederacy he believed Revelation predicted, while other interpreters associated the beasts and their mark with modern political and economic systems. 

Adventist and Jehovah’s Witness traditions likewise developed distinctive identifications involving contemporary religious and geopolitical powers.

This interpretive tendency found perhaps its most influential modern popular expression in the evangelical prophecy culture represented by Tim LaHaye and Jerry B. Jenkins’ Left Behind novels. 

In that futurist framework, Revelation is read largely as a roadmap of events that will unfold during an approaching End-Times crisis. 

The Antichrist establishes worldwide political and economic control, while the Mark of the Beast becomes a literal sign of allegiance without which people cannot participate normally in economic life.

Modern technologies therefore become natural candidates for explaining how such a system might work: barcodes, computerized financial systems, biometric identification, and implanted microchips have all been drawn into popular speculation about Revelation 13.

What changes from generation to generation is the technology; what remains remarkably consistent is the interpretive habit of reading the latest political or technological development back into John’s visions.

The phenomenon can become strikingly literal: Kovacs and Rowland reproduce a 21st-century advertisement from São Paulo declaring that “Television is the image of the beast.”

From Irenaeus calculating possible names, to Reformation Christians discovering the beast in their confessional opponents, to modern readers finding its mark in computers and microchips, Revelation 13 has repeatedly been relocated into the interpreter’s own present.

That extraordinary reception history helps explain why the Mark of the Beast remains so culturally powerful. It also brings us back to the distinction with which we began: what Revelation has meant to later readers is not necessarily the same thing as what its author was trying to communicate to Christians living under Roman rule at the end of the 1st century. 

That distinction is worth keeping in mind as we draw together the argument of this article.

Conclusion

What is the Mark of the Beast?

If we return to the example with which we began, Marjorie Taylor Greene’s appeal to Revelation in the debate over digital finance belongs to a remarkably long history of readers discovering the beast in the political institutions, economic systems, and technologies of their own time. 

Yet the historical and literary evidence points us first in a very different direction. Within Revelation itself, the mark functions as a sign of identity and allegiance, deliberately contrasted with the name of God and the Lamb borne by the faithful. 

Within the political and religious world of Roman Asia Minor, that symbolism would have resonated with imperial power, emperor worship, and the social costs of refusing such loyalties. 

The number 666 sharpens the picture still further: the instruction to “calculate” the number, the practice of gematria, the compelling identification with Nero Caesar, and even the ancient variant 616 all locate John’s imagery firmly within the world of the Roman Empire.

None of this has prevented Christians across the centuries from finding new beasts and new marks in their own surroundings, from popes and political rulers to barcodes, computers, and microchips.

That reception history is fascinating in its own right, but it also offers a useful methodological reminder: before asking whether Revelation is describing the latest development in our world, historians must first ask what its strange and powerful symbols meant in the world in which they were written.