RN
Ask someone what the hard part of launching an adult video platform is and you will usually get an answer about infrastructure — transcoding, storage costs, bandwidth at scale. That answer was correct around 2012. It is now the least interesting constraint in the project, because all of it is a commodity you can rent by the hour.
The things that actually decide whether a tube exists in two years are administrative. They are also almost entirely absent from the tutorials, which is why so many of these projects die in month four with the code working perfectly.
You are a record-keeper before you are a publisher
United States federal law imposes record-keeping duties on producers of sexually explicit material under 18 U.S.C. § 2257, and the regulations at 28 C.F.R. Part 75 extend a version of that duty to what they call secondary producers — a category defined broadly enough to cover someone who manages explicit content on a website, not merely the person who filmed it. In practice that means a platform hosting other people's uploads is not obviously outside the scheme just because it did not hold the camera.
The duty is documentary. Inspect government-issued photo identification for every performer, record it, keep it, and post a compliance statement naming a custodian and where the records live. Enforcement sits with the Department of Justice.
Whether and how the secondary-producer regulations bind any particular operation has been litigated more than once and depends on facts a stranger writing an article cannot know about your setup. That uncertainty is the point: this is the first item on the list to take to a lawyer, not the last.
The card networks wrote a second rulebook
The more immediate constraint is commercial. Since October 2021 Mastercard's specialty merchant requirements have imposed a set of conditions on adult content businesses that are, in effect, an operating manual for the category:
Everyone depicted must have given clear, documented consent. Every uploader must be identity- and age-verified before they can post anything. All content must be reviewed before publication rather than after a complaint. Platforms must monitor live and streamed material as it happens. And there must be a complaints process that resolves reports of illegal or non-consensual material within seven business days.
Read that as an engineer and it tells you exactly what you are building. An open upload form is non-compliant on its face. A moderation queue that runs after publication is non-compliant. A support inbox someone checks weekly is non-compliant. The verification pipeline and the review desk are not features you add in phase two — they are the product, and the video player is the easy part wrapped around them.
Read it as a founder and it tells you the real cost structure. Pre-publication human review does not scale with servers. It scales with headcount, and the headcount is required from day one, at a volume you cannot predict, before there is revenue.
Banking is the actual gate
None of the above matters if no acquirer will board you. Adult is a high-risk merchant category, which means higher rates, rolling reserves held against chargebacks, and a relationship that can end on notice. That vulnerability is structural rather than incidental, and it is the mechanism that has repeatedly reshaped the sector from outside — a processor changes its terms, and platforms restructure or disappear regardless of what any law says.
Assume from the outset that your payment relationship is the single point of failure, and that everything in the compliance list above exists mostly to protect it.
Where the content comes from is the whole ethical question
The 2020 version of this advice would tell you to seed a new site by embedding video from established tubes. That still technically works, and it is worth being precise about why it is a bad foundation.
An embed inherits the source's problems. If material on the origin was uploaded without the consent of the people in it, embedding it puts it in front of your audience under your branding, and the consent obligations described above do not care about the technical distinction between hosting and framing. A platform whose catalogue is assembled from other platforms has no independent knowledge of whether anyone in it agreed to be there.
The defensible version is slower and much smaller: verified creators, content you have a consent record for, and a catalogue that grows at the speed of your ability to check it. That is a worse growth curve and a business that can survive a subpoena or a processor audit.
Safe harbour is conditional, not automatic
Operators tend to treat the DMCA notice-and-takedown regime as a shield that exists by default. It is closer to a bargain with conditions attached: register a designated agent, publish the contact, act expeditiously on valid notices, and maintain a policy for terminating repeat infringers that you actually apply. Skip the paperwork and the protection is not there when it is needed.
Copyright is also the lesser exposure. Non-consensual material is a different order of problem with a different set of laws behind it, and no takedown process makes hosting it survivable.
What is left of the original question
If you still want to build one, the honest sequence looks like this. Talk to a lawyer who works in adult before you write code. Talk to a high-risk payment specialist before you design the signup flow, because their answer constrains it. Decide what your verification and review process is, staff it, and only then choose your stack — which will be whatever is cheap and boring, because it makes no difference.
Pick a narrow niche, not for the marketing reasons the old advice gave, but because a narrow catalogue is one you can actually review.
And look hard at whether a tube is the right shape at all. The compliance burden falls hardest on open-upload platforms and lightest on direct creator relationships, which is a large part of why the industry's centre of gravity has moved toward subscription and creator platforms. The tube category and the cam category here are the two established models, and they now carry very different amounts of risk for whoever operates them.