Collaborate Disseminate
The air-gap system in question is a cryptocurrency vault system that is responsible for generating addresses and signing transactions while it keeps the sensitive information air-gapped.
[ Vault app ] <====[QR]====> [ Wallet app]
D… Continue reading Using QR codes as means of communicating with an air-gap system [duplicate]
I am currently using 2-factor authentication to tighten security for my login system. I use Google Authenticator to scan a QR Code, which generates a key which I can use to login.
What worries me with my implementation is the way I creat… Continue reading Generating QR-Code for 2fa from google maps api risky?
I am currently working on a personal project to facilitate the connection of users to a private interface using a mobile application and a QR Code.
Steps:
Users download an application and log in with a username and password.
Users then… Continue reading Reduce the risk of QRLJacking [closed]
Did you get a thermal printer when they were hot stuff, but then your interest cooled when you couldn’t decide what to do with it? Something similar happened to [Sunyecz22], and the poor printer sat unused until that magical day when the perfect use for it popped up — a …read more
Continue reading Warm Up to Cooking With a Recipe-Randomizing Toaster
Every once in a while an attack comes along that is so simple to set up, and yet so effective, that it makes your jaw drop. Here’s one. Continue reading QR code generator scam steals thousands in Bitcoin
For those unfamiliar with the term, a “Bitcoin Faucet” is usually used as an incentive in software that wants your attention. Complete a captcha or look at and advertisement and you get one millionth of a BTC, that sort of thing. You’re never going to get rich off of one …read more
Continue reading Divvy Out The Crypto With This Physical Bitcoin Faucet
Since most people are carrying a camera-equipped computer in their pockets these days, QR codes can be a great way to easily share short snippets of information. You can put one on your business card so people can quickly access your contact information, or on your living room wall with …read more
Continue reading Generate 3D Printable QR Codes With this Web Tool
A user was discovered using a QR code to log into a PC. Apparently, the password was put into a QR code generator and printed. The user:
Provides their username
Scans the QR code with a handheld scanner and is granted access
Our compa… Continue reading Preventing Users from Using QR Code Password and Scanner for Authentication
Someone had asked me to take a photo, “from my mobile phone” of what looked like a QR code and above that code was a string of numbers that was on “his mobile phone screen”.. (As he wanted to then read my screen, “the string … Continue reading QR code issue. Am I in danger?
I know we can read QR codes using the phone camera. Are there ways to analyze short video bit stream using the camera?
Continue reading Are there any way to read (scan) video using camera? [on hold]