For most of the internet’s history, being human was assumed. Bots existed but were a nuisance, not the majority. That assumption is breaking, and the response is verification systems that most people will encounter within a few years.
Why now
Automated accounts can now write, converse and behave in ways that are difficult to distinguish from people. Platforms that depend on human interaction – social networks, marketplaces, dating, reviews – face a credibility problem if a large share of their activity is synthetic.
Governments have a parallel concern about age verification, which requires identity verification underneath.
The approaches
Government-backed digital identity, where a state issues credentials that services can check. Efficient, comprehensive, and dependent on trusting the issuer with knowledge of every service you use.
Biometric verification by private operators, which avoids government involvement and concentrates sensitive data in a company.
Cryptographic credentials that prove a property – over eighteen, a real person, a citizen – without revealing who you are. The most privacy-preserving design and the hardest to deploy.
The trade-off nobody avoids
Verification requires someone to know something. The question is who, and how much. Every scheme sits somewhere between full anonymity and full identification, and where it sits is a political choice dressed as a technical one.
What is likely
Fragmentation, with different schemes in different jurisdictions and platforms. Selective disclosure becoming standard where the technology allows. And a persistent unverified layer of the internet for anyone who opts out, with fewer services available in it.