For generations, a passport stamp has been more than proof of crossing a border. It has been a reminder of a holiday, a business trip or a life-changing adventure. Every stamp told a story.
Now, that familiar ritual is beginning to disappear.
South Africa has joined a growing list of countries embracing digital borders with the official launch of its AI-powered Electronic Travel Authorisation (ETA) system.
Unveiled by President Cyril Ramaphosa at OR Tambo International Airport, the new system replaces much of the paperwork traditionally associated with visas and border control with machine learning, biometric verification and facial recognition.
It signals more than a technological upgrade. It reflects a global shift in how countries manage travel, security and migration in an increasingly connected world.
South Africa's digital border
Home Affairs Minister Dr Leon Schreiber said the ETA system has been designed to make travel easier for legitimate visitors while strengthening border security.
"The ETA's features are live. We initially piloted the ETA during South Africa's G20 Presidency for travellers from China, India, Indonesia and Mexico," he said.
The early results suggest the system is already having an impact.
Since the pilot began, it has processed 216,204 applications while identifying and rejecting 6,126 fraudulent submissions, including fake passports, manipulated documents, and other signs of fraud.
Schreiber believes that the technology will improve tourism, attract investment and reduce visa fraud without making South Africa less welcoming.
"The future of immigration in South Africa is a system that is modern and uncompromising when it comes to security, but welcoming and efficient when it comes to the travellers and investors we must attract to generate growth and jobs," he said.
The system is now operating at OR Tambo International Airport, Cape Town International Airport, King Shaka International Airport and Lanseria International Airport.
It will gradually become compulsory for travellers who require visas for short visits before expanding to land and sea ports. In time, study, work and spousal visas will also be processed through the same digital platform.
A global movement
South Africa is not leading this transformation alone.
Across the world, border authorities are replacing passport stamps with facial recognition and biometric verification.
The European Union's Entry Exit System is one of the biggest examples. Travellers from outside the European Union entering the Schengen Area are now registering facial scans and fingerprints instead of receiving an ink stamp in their passports.
The system automatically records where and when travellers enter and leave. It helps authorities calculate how long visitors remain in the region while reducing visa overstays and identity fraud.
Countries across Asia have also embraced biometric gates while airports in North America continue expanding facial recognition for passenger processing.
For frequent travellers, border crossings are becoming less about presenting documents and more about verifying identity through technology.
Faster travel with new questions
Digital borders promise shorter queues, stronger security and fewer opportunities for document fraud.
Automation removes much of the paperwork that has slowed international travel for years. Electronic records also reduce human error when calculating visa validity.
Yet the transition is raising new questions.
Facial recognition depends on the collection and storage of sensitive personal data. While governments argue that these systems improve security, privacy advocates continue to question how biometric information is stored, protected and shared.
The rollout of similar systems overseas has also shown that technology is not immune to problems. Europe's Entry Exit System experienced delays at several busy airports during its early implementation as travellers adjusted to new procedures and officials dealt with technical challenges.
Technology can simplify travel, but it also demands public trust.
South Africans remain divided
Reaction to South Africa's new system has reflected that balance between optimism and caution.
Francois Smith welcomed the development.
"It is so good to see that the State Department actually intelligently put technology to use to resolve real problems. I really hope other departments will follow the examples of the DHA and SARS."
Others remain unconvinced.
Maria Motlalile questioned whether technology alone could solve border security concerns.
"I don't know why I have a bad feeling about this. These machines must not be something they relied on. They must be very strict on maintaining the borders."
Another user, @Drumz Barrelz, argued that digital systems would not address deeper challenges.
"We appreciate the effort, but this is not the solution to the real issue of porous borders."
Meanwhile, @FromTman believed that the success of the project would depend on implementation.
"This is a great improvement. The only issue is change management and implementation. You cannot implement this kind of system without some issues. They should stick it out. But also, just get it right the first time. The government has made us expect subpar work."
The end of an era
The disappearance of passport stamps may seem like a small change, but it reflects something much bigger.
Travel is becoming less visible and more digital. The souvenirs once collected inside passports are being replaced by encrypted records stored in secure databases. Identity is increasingly verified through a face rather than a document.
For travellers, the experience may become faster and more convenient. For governments, it offers stronger tools to manage migration and combat fraud.
But as artificial intelligence becomes part of the journey, the conversation will no longer be only about where people travel. It will also be about how much information they leave behind every time they cross a border.
lutho.pasiya@nationalmg.co.za