Collaborate Disseminate
I am designing a system that allows users to purchase my NFC cards and sign up for an account on my online SaaS website.
The System
For the sake of explanation, assume the website is hosted at domain test.com.
Think of this system as a &qu… Continue reading How to avoid non-in-person "handshakes" and spoofing due to compromised URL data on NFC card
I was not able to add a credit card to Apple Pay on an iPhone. The bank told me that they need the SEID number of the phone to resolve the issue.
By a quick search on the Internet, I learned that the SEID number is an identifying number of… Continue reading Are there any risks sharing my phone’s SEID number with the bank of my credit card?
I would like to know exactly what data points mobile wallets send to the payment terminal over NFC.
I’m aware that mobile wallets usually send a virtual credit card number in lieu of the physical credit card number. Do they, however, send … Continue reading What kind of information do Mobile Wallets share with the terminal?
Is there a "magic" mifare classic card that enables you to change access conditions even if current access conditions are set to never change access conditions? (write ACS: never)
Continue reading Changing access conditions on a "magic" mifare classic 1k card
Sometimes we have a new part or piece of tech that we want to use, and it feels like a solution looking for a problem. Upon first encountering NFC Tags, …read more Continue reading NFC Puts a Stake in the Ground
Suppose I have a smartphone and I have disabled all usual de-anonymizing things (e.g., wifi probe requests). My phone sends some data over Bluetooth (or NFC) to device A, and then at a different place and time, sends entirely independent d… Continue reading Are Bluetooth and/or NFC anonymous?
[Matteo] has been a fan of the Casio F-91W wristwatch virtually since its release in 1989. And not without good reason, either. The watch boasts reliable timekeeping and extremely long …read more Continue reading Adding Smart Watch Features to Vintage Casio
Following the trend of stuffing more electronics in everyday devices, the new Philips Sonicare electric toothbrush that [Cyrill Künzi] purchased ended up having a ‘brush head replacement reminder’ feature that …read more Continue reading Hacking a “Smart” Electric Toothbrush To Reset Its Usage Counter
As NFC chips proliferate, so do the antennas they require for operation, and since many NFC-enabled items are single-use, this means there’s an opportunity to put them to other uses. …read more Continue reading NFC Antennas Have Other Uses
Smartphones are amazing tools, but sometimes they can be an equally amazing time suck. In an effort to minimize how much precious time goes down the drain, [Lance Pan and …read more Continue reading Wooden Smartphone Sleeve Keeps You on Task