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#What is a digital chip card with a built-in QR code?
#What are the two types of digital chip card technology that relate to performing contactless data transfer between two devices?
Audio-based data management ("ABDM") allows computers, tablets, smartwatches and smartphones that are near each other to securely store and wirelessly share sensitive data or other data that require authentication, using sound as the carrier of information that underlies the data transmission process.
For those who prefer to use cameras instead of speakers and microphones, an alternative to ABDM is
QR-based data management technology, or in short,
"QRBDM".
The method of data storage is identical to that of ABDM, but instead of sound, the carrier of information necessary to meet the transmission requirements is the
QR code.
A QR (Quick Response) code is a two-dimensional barcode that contains a large amount of data and can be quickly and easily encoded, generated or created, as well as decoded, read or scanned.
#What is a QR data file?
A
QR data file is a digital chip card with a QR code in the form of a 240x368 image consisting of a header with the card name and cardholder name and a QR code containing details that bring the card in direct correlation with the data stored on the remote database server.
The header and the QR code are inseparably associated so that a
QR data file is considered indivisible for the purposes of its implementation.
In addition to metadata, text messages and files, security tokens consisting of a hash code, IP address, digital signature, public key and timestamp are also built into the card and guarantee the fidelity and security of the way data is collected and transmitted.
#100% easy to use
Make sure that the screen of the device that displays the QR code ("transmitter") is as close as possible to the camera of the device that scans the code ("receiver").
Then do the following:
- On the receiver, open the web app to process the QR data file.
- On the transmitter, open a digital chip card that represents the QR data file.
A digital chip card is a PNG image consisting of a header, showing the card name and cardholder name, and a QR code, which contains details that bring the card into direct correlation with the data stored on the remote database server.
- On the receiver, position the camera so that the QR code from the data file appears on the screen.
Once scanned, the data is automatically forwarded to the remote database server for further processing. The results will soon be displayed on the receiver screen.
#100% safe to use
The QR code does not store sensitive user data that could be compromised during transmission or any other data that could be malicious.
It may only contain data used to connect a digital chip card to the remote database server and therefore users are not exposed to any risk.
In general, digital chip cards stand out as one of the most secure and elegant ways to store metadata and different file types.
#What types of data can be stored and shared?
You can store and share all types of files including, but not limited to photos, audio, video, PDF documents, XML files, or banking transactions.
You don't have to use any accessories such as smart cards or point-of-sale (POS) card readers, or install any app that could potentially compromise your privacy. Only use your personal device (smartphone, tablet, computer) that you carry in your pocket, use at home or at work.
Whether it's a smartphone, smartwatch, tablet or computer, it will always be "QRBDM-enabled".
#What can QRBDM be used for?
QRBDM can be used for contactless payments, creating/minting Authentic digital assets, information/data sharing, in-store checks, after-sales product experiences, access control, tracking public participants, or bootstrapping wireless connections:
- It provides secure storage of sensitive user data (audio and video files, text messages, documents, bank payments etc.) within a QR data file;
- It enables secure contactless data transfer process using QR code as the carrier of information necessary to meet the transmission requirements;
- Only two communication devices are required for data transmission and processing; the receiving device communicates with the remote database server via the QRBDM web app via a web browser.
QRBDM does not collect personal data from your devices.
Both your privacy and the privacy of your data are fully guaranteed.
#Set out for the future with QRDBM
#QR-based data management technology ("QRDBM") allows computers, tablets, smartwatches and smartphones that are near each other to securely store and wirelessly share sensitive data or other data that require authentication, using QR code as the carrier of information that underlies the data transmission process.
You can share photos, audio and video files, documents, send text messages, or make secure payments.
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