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No. I consider this a reminiscence of the fiat paper money mindset. People are so stuck into this crap that always want to go back to the same shit.
Bitcoin is digital and must be "transferred" digitally, otherwise is not anymore Bitcoin. It became an IOU. Clear and loud.
"paper bitcoin" = IOU
Obviously. While I haven't written so explicitly, it is clear from my post. I am asking specifically about the technical implementation.
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technical implementation.
What is not clear? is an IOU. Many tried in the past and they failed.