Author name: emre@watchdog.dev

QR Codes: Are they safe?

QR (quick response) codes are small squares with unique black and white patterns that contain certain information, just like barcodes on the products we can buy and scan in any store. We will talk about QR Codes in this article. They were first invented in 1994, when the Japanese company Denso Wave, a Toyota subsidiary,

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Vaccine passports: essential safety action or privacy threat?

As the Covid-19 pandemic does not seem to be losing steam, researchers have been fighting to make a functional vaccine that would protect people from the virus. Several vaccines have been put into circulation recently, and most countries have started the vaccination process. There have been some controversies regarding vaccines, from the good old conspiracy theories

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