These will be worth more and more in the future
or not...
however you should write how much you would like to get for it as it would most probably attract more people to who would like to buy it
Yes, I am aware of the dynamics of selling, but if someone is interested, then they will provide an offer.
I think Bitcoin will be more and more prevalent in the future as the trend has been going. I also know that blockchain technology is being more seriously looked into by large banks.