Collaborate Disseminate
For centuries, people have been using patterns to communicate information in an eye-catching way. QR codes are no different, although they require a barcode scanner to decode rather than a …read more Continue reading Beaded QR Code Bracelets Weave a Storytelling Interface
It seems like every nation is dealing with the plague a little differently. In June, the EU instated a COVID Green Pass which comes in the form of a paper …read more Continue reading COVID Green Pass Validator with Raspberry Pi
In Canada, Québec introduced it’s Covid-19 App "VaxiCode" on September 1; BC, "BC Vaccine Card", September 13, requirement in place until January 31, 2022, subject to extension; Ontario, September 22, "app to follo… Continue reading QR codes for shc Covid vaccine passports
These days everyone’s excited about transparent OLED panels, but where’s the love for the classic Nokia 5110 LCD? As the prolific [Nick Bild] demonstrates in his latest creation, all you’ve …read more Continue reading Nokia LCD Goes Transparent for Hands-Free Reminders
The Jester is a patriotic, pro-American Hacktivist that since 2010 has waged a personal cyberwar against an array of targets he considers to be “the bad guys.” But detractors have insinuated that some of the Jester’s operations were little more t… Continue reading Malicious Life Podcast: The Jester – Hacktivist for Good
MFA recovery codes last forever until used. The TOTP codes expire as per the clock (e.g. 30 seconds).
Does the initial QR code to register a MFA device last forever until disabled by a MFA reset?
I’m imagining (expecting) that the key, lik… Continue reading Do MFA QR registration codes/keys expire?
It’s true; hackers like clocks. And hackers like useless machines. But would they like an intersection of the two? We’re thinking yes, probably, though we would argue that this QR …read more Continue reading Retro Useless Clock Eventually Shows You the Time
Well, that de-escalated quickly. It seems like no sooner than a paper was announced that purported to find photographic evidence of fungi growing on Mars, that the planetary science and …read more Continue reading Hackaday Links: May 9, 2021
Currently there is this design of two apps that work together:
Proof app: On customers phone, takes in a textcode and creates a QR code
Scanner app: On hosts phone, Scans the QR code and displays some information like birthday, initial an… Continue reading Can we prevent users from generating a QR code with edited information
What are the pros and cons and differences between several key protection below ?
Online Wallet
software wallet
paper wallet
hardware wallet
hardware security module
trusted platform module
cloud key management system
smart card
keystores… Continue reading The best key protection