Thousands of people in Sweden are embedding microchips under their skin to replace ID cards

Thousands of Swedes are having microchips implanted into their bodies so that they don't need to carry key cards, IDs, and even train tickets.

About 3,000 people in Sweden have inserted a microchip — which is as tiny as a grain of rice — under their skin over the past three years, Agence France-Presse reported. The technology was first used in the country in 2015.

The implants have already helped replace the need for a host of daily necessities. Ulrika Celsing's microchip, which is in her hand, has replaced her gym card and office key card. When she enters her workplace, the 28-year-old simply waves her hand near a small box and types in a code before the doors open, AFP said.

Last year, the state-owned SJ rail line started scanning the hands of passengers with biometric chips to collect their train fare while on board. See how it works around the 2:24 mark in the video below.

There is no technological reason the chips couldn't also be used to buy things just like a contactless credit card, but nobody appears to have started testing that yet.

'A slight sting'
The procedure is similar to that of a piercing and involves a syringe injecting the chip into the person's hand. Celsing, who obtained her injection at a work event, told AFP she felt just a slight sting.

But the chip implants could cause infections or reactions in the body's immune system, Ben Libberton, a microbiologist at MAX IV Laboratory in southern Sweden, told AFP.

This clip from 2015 shows a microchip being inserted into a person's hand:

The rise of 'biohacking'
Biohacking — the modification of bodies with technology — is on the rise as more and more people start using tech wearables such as Apple Watches and Fitits.

About four years ago, Swedish biohacking group Bionyfiken started organising "implant parties" — where groups of people insert chips into their hands en masse — in countries including the US, UK, France, Germany, and Mexico.

Some 50 employees at Wisconsin vending-machine company Three Square Market voluntarily agreed to insert microchips into their hands, which they could then use to buy snacks, log in to computers, or use the photocopier.

microchip implant
Tony Danna, a vice president at Three Square Market, receives a microchip at his company headquarters in Wisconsin in August 2017. Jeff Baenen/AP
Swedes seem more willing to try the technology than most other nations.

The country's 10 million-strong population is generally more willing to share personal details, which are already recorded by the country's social-security system and readily available. According to AFP, people can find each others' salaries by simply calling tax authorities.

Many of them also don't believe the microchip technology is advanced enough to be hacked. Libberton, the microbiologist, also said the data collected and shared by implants are too limited for users to fear hacking or surveillance.

Bionyfiken founder Hannes Sjöblad told Tech Insider in 2015:

"The human body is the next big platform. The connected body is already a phenomena. And this implant is just a part of it. [...]

"We are updating our bodies with technology on a large scale already with wearables. But all of the wearables we wear today will be implantable in five to 10 years.

"Who wants to carry a clumsy smartphone or smartwatch when you can have it in your fingernail? I think that is the direction where it is heading."

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