There'll be no need to carry a physical drivers' licence with the Government's plan for digital alternatives.

Digital Services Minister Judith Collins wants to introduce an app that could store the data, and New South Wales has already rolled out a similar service.

Tech commentator Paul Spain says the system will need to be robust to protect data.

"What we've seen from Governments all around the world is the more data they collect, the more data that they end up losing and leaking."

The digital licences could be introduced before the end of the year.

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