I had a thought last night about the utility of QR Codes, as a tool for Barter.
They can be printed and single use.
They can be emailed, or sent by text, and single use.
Now, the concept of single use currency may be a little controversial, and there is the challenge of the giver spending it before the receiver does, but there might be possibility for a Trust system that prevents this type of fraud.
The question to answer is about anonymous / digital / paper barter, and anonymous identity in a digital world.
They can be printed and single use.
They can be emailed, or sent by text, and single use.
Now, the concept of single use currency may be a little controversial, and there is the challenge of the giver spending it before the receiver does, but there might be possibility for a Trust system that prevents this type of fraud.
The question to answer is about anonymous / digital / paper barter, and anonymous identity in a digital world.