Can a National Digital ID Be Used at Airports or Banks in Another Country?

Hand holding a glowing digital identity card against a world map background

June 8, 2026|⏱️~8 minutes

By Nicholas Brennan


Digital IDs are becoming a reality in many countries.

From U.S. mobile driver's licenses to the EU's digital wallet.
From India's biometric travel system to South Korea's blockchain ID plan.

Governments and tech companies are shifting from physical cards to smartphones.

A natural question follows:
Can your national digital ID be used at an airport or bank in another country?

Based on current examples and analysis, the short answer is:

Usually no, except in a few specific frameworks or limited scenarios.

This is not about technology.
It reflects the difficulty of coordinating different laws, data sovereignty rules, and trust systems.

This article looks at two main scenarios:
airport security/border control and bank account opening.

1. Airport scenario: standards ready, cross-border use still limited

What is happening.

From a technical standpoint, aviation has made good progress.

On March 27, 2026, ICAO launched its "nextgeneration Public Key Directory (PKD)".
The system helps border officials verify epassports and digital travel credentials.
It does not store personal information – only checks government digital signatures.

ICAO has also made Digital Travel Credentials (DTC) a priority for 2026–2028.

On April 8, 2026, IATA published results from proofofconcept trials.
The tests showed that contactless travel using biometrics and digital ID is operationally mature.

Trials involved airlines, airports, tech providers, and governments in Europe and AsiaPacific.
Passengers could use a digital ID in a mobile wallet along with facial recognition for their entire journey.

Different wallets – Apple Wallet, Google Wallet, and India's Digi Yatra – worked with each other.

The limits.

Despite standards and successful trials, realworld crossborder use is still very limited.

Example: the United States.
Apple's digital ID works at TSA checkpoints in more than 250 U.S. airports for domestic flights.
As of 2025, 20 U.S. states had approved mobile driver's licenses.
But outside the U.S., this digital ID is not accepted.
Canadian or European security systems cannot verify it.

Another example: Google Wallet in June 2026.
Google expanded its digital ID feature to five EU countries – Ireland, Spain, France, Italy, and Estonia.
Users can scan their passport to create a digital pass.
But this is mainly for age verification (e.g., buying alcohol) with a European savings bank group.
It does not yet support airport security or full identity checks.

India's DigiYatra platform made facial recognition mandatory for international transit passengers at four airports (Delhi, Mumbai, Bengaluru, Hyderabad) starting June 1, 2026.
The platform has processed over 100 million passenger trips.
As of early 2026, it had 19 million registered users.
But this is a oneway requirement inside India, not mutual recognition with other countries.

What to make of this.

The technical barriers at airports are not the main problem.

The real bottleneck:
Are governments willing to sign agreements to accept each other's digital IDs?

IATA's trials proved the technology works.
IATA's director general has called on governments to speed up issuing and accepting digital travel credentials.

Expect pilot agreements on specific routes or between certain countries in the next 3–5 years.
Global adoption will take longer.

Traveler using a smartphone to scan and verify digital ID at airport security checkpoint

2. Bank scenario: regulatory hurdles are much higher

What is happening.

Using a digital ID to open a bank account across borders faces much stricter limits.

The core reason is legal.
Most countries' antimoney laundering (AML) and "know your customer" (KYC) rules require a physical, governmentissued ID to open an account.

A digital ID issued by a foreign government has no legal standing under most of these rules.

The Financial Action Task Force (FATF) noted in its March 2020 Guidance on Digital Identity that global digital transactions were growing about 12.7% per year.
By 2022, roughly 60% of global GDP had become digitized.

FATF acknowledges that reliable digital IDs can make customer verification "easier, cheaper and more secure".
But FATF also stresses that national regulations vary widely.
Banks must assess the reliability of a digital ID based on risk.

There are also technical barriers.
Different countries use different encryption standards and verification protocols.
Most countries do not open their identity database interfaces to foreign institutions.
Sending personal identity data across borders can violate privacy laws like the EU's GDPR.

Currently, there are almost no generalpurpose, crossborder digital ID recognition cases in banking.

Example: Estonia's eResidency program.
It lets foreigners get a digital ID remotely and register a company in Estonia.
But no foreign bank is required to accept that ID for opening an account.
Banks will still ask for a physical passport and an inperson check.

Regional exceptions (domestic only).

Australia is advancing its Digital ID system.
According to the official government roadmap, by December 2026 privatesector providers can join.
Australian residents will be able to use myID to open bank accounts, sign up for mobile contracts, and rent apartments – but only inside Australia.
This is not crossborder recognition.

In Canada, the DIACC (Digital ID and Authentication Council) has developed a trust framework.
In August 2025, Canada approved a national standard (CAN/DGSI 1030:2025) for digital identity.
This applies to building Canada's domestic ecosystem – not crossborder use.

What to make of this.

The main barrier in banking is not technology – it is lack of legal mutual recognition.

Even if technology can do remote biometric checks, without a bilateral or multilateral agreement that says "we trust each other's verification results", banks have little incentive to accept a foreign digital ID.

Businessman presenting a holographic digital identification card with QR code and security features

3. The EU's eIDAS 2.0: a major regional exception

The EU's eIDAS 2.0 regulation is the most noteworthy regional solution in the world today.

eIDAS 2.0 was passed in 2024.
It introduces the EU Digital Identity Wallet (EUDI Wallet).

By the end of 2026, all member states must provide at least one certified digital wallet.
Regulated entities – including banks – must accept the wallet by December 2027.

On April 7, 2026, the European Commission passed Implementing Regulation (EU) 2026/798.
This creates a unified legal standard for remotely opening accounts using the EUDI Wallet.

In theory, an Estonian citizen could use their phone's digital wallet to open a bank account in France.
The KYC process would be handled automatically by a panEuropean trust framework.

What to make of this.

The EU model shows that when countries agree to mutually recognize digital identity standards at the legal level – and force banks to accept them – crossborder use becomes real.

But this depends on the EU's highly integrated legal system and single market.
Other regions cannot copy this quickly.
Still, Southeast Asia, Africa, or Latin America may look at this model for inspiration.

4. Blockchain digital identity: gap between concept and reality

Blockchainbased digital identity is often discussed in tech circles.

The idea: a government or trusted authority does the initial certification, but the individual fully controls access to their credentials.
This would allow realtime verification across different systems globally without a central database.

South Korea reportedly planned to launch a blockchainbased digital ID in 2024, hoping 45 million citizens would adopt it within two years.

Bhutan is actively exploring a blockchain national ID system.
It reportedly plans to move to the Ethereum blockchain by early 2026 – making it one of the first countries to run a national ID framework on a public blockchain.

According to industry reports, by May 2025 about 6 million people worldwide had registered in various blockchain identity pilots.

What to make of this.

Blockchain digital IDs offer theoretical advantages in privacy and crossborder portability.

But the policy and legal challenges are huge.
Getting governments to accept a decentralized verification system is far harder than solving the technology.

For the next 3–5 years, blockchain is unlikely to become the mainstream solution for crossborder bank account opening.

Close-up of the myGovID digital identity app icon on a smartphone screen

Summary

Airport / border control:
Technical standards (ICAO PKD) are in place. IATA trials proved feasibility. But crossborder recognition still depends on government agreements. Expect limited pilot mutual recognition on specific routes in 3–5 years.

Bank account opening:
Regulatory barriers are higher than technical ones. Breakthroughs will likely come from regional legal frameworks (like EU's eIDAS 2.0) rather than standalone technical fixes.

Practical advice (June 2026):
No country's digital ID can reliably replace a physical passport for crossing borders or opening a bank account abroad.
Carry physical documents when traveling or handling financial business. That remains necessary and safe.


Disclaimer: This article is based on publicly available information as of June 2026. It does not constitute legal, financial, or investment advice. Crossborder use of digital IDs is subject to changing laws. Consult professional legal and compliance advisors before making decisions.


References

[1] ICAO (2026, March 27). Nextgeneration PKD for epassports and digital travel credentials.

[2] IATA (2026, April 8). Trials confirm readiness for contactless travel with digital identity.

[3] European Commission (2026, April 8). Implementing Regulation (EU) 2026/798.

[4] FATF (2020, March). Guidance on Digital Identity.

[5] Australian Government (2026). Digital ID System – Roadmap.

[6] Digital Governance Council (Canada) (2025, August 21). CAN/DGSI 1030:2025.


About the Author

Nicholas Brennan is a long-term observer and writer in the field of fintech. Over the past decade, his work has focused on global payment systems, digital currencies, and the modernization of bank core systems. He is skilled at translating complex underlying technical logic into clear business narratives. He has served as a technical and strategic advisor at several international financial institutions and consulting firms. Currently, he mainly writes in-depth analyses for industry publications, tracking how financial infrastructure is evolving globally.