Can silver coins be used as currency?
I'm wondering if silver coins can still be used as a form of currency in today's economy. Are they accepted as payment for goods and services, or are they mainly considered as collector's items or investments?
What tokens can be used as payment?
I'm wondering what kind of tokens can be accepted as a form of payment. I want to know the various options available for token-based payments.
What are two things that can be used as collateral?
I'm trying to figure out what kind of assets or items can serve as collateral. Specifically, I'm looking for two examples of things that can be pledged as security for a loan or other financial obligation.
Is bitcoin being used as a currency?
I'm wondering if Bitcoin is actually being utilized as a form of currency in transactions. I want to know if it's not just a speculative asset, but rather something that people are using to buy and sell goods and services.
Can an iPhone be used as an RFID reader?
Could you please elaborate on the possibility of utilizing an iPhone as an RFID reader? I'm intrigued by the concept of leveraging the device's capabilities for such a purpose. Are there any specific models or generations of iPhones that are more suitable for this task? Furthermore, would it require any additional hardware or software to enable this functionality? I'm keen to learn more about the practicality and feasibility of using an iPhone as an RFID reader.