Are RFID and NFC the same?
I've heard about RFID and NFC technologies and I'm wondering if they are the same thing. I know they both involve wireless communication, but I'm not sure about their differences or similarities.
What is a bitcoin NFC ring?
Can you explain what a Bitcoin NFC ring is and how it functions? I'm curious about the technology behind it and how it enables users to securely store and access their Bitcoin or other cryptocurrencies. Does it work with various wallets and platforms? Are there any security concerns or risks associated with using such a device? How convenient is it compared to traditional methods of storing and accessing cryptocurrencies?