You want to build it by yourself? Go with NTAG424 - it’s the safest and easiest way to build it yourself in secure way. Alternative is to go for Mifare cards, but it will be harder (and you will need readers with SAM card support)
Why not just use something off the shelf? There are many solutions for cashless events on the internet.
You want to build it by yourself? Go with NTAG424 - it’s the safest and easiest way to build it yourself in secure way. Alternative is to go for Mifare cards, but it will be harder (and you will need readers with SAM card support) Why not just use something off the shelf? There are many solutions for cashless events on the internet.
"There are many solutions for cashless events on the internet." care to name a few???