This: https://www.independentcurrencies.com/
And this: https://polymerbit.ch/
Limited edition of 69 / 100 / 256 / 420
Suggested denomination: 100 BCP
Considerations
Security. Security. Security.
Not storing shipping details in any database.
Production. Will you trust the factory to protect the private key?
Maybe 2-of-3 Gnosis Safe Multisig:
- You
- Banknote
- SSSS (shamir shared secret sharing) among all the people who participate or Aragon DAO Agent
Secure manufacturing process, without a single point of failure is definitely a challenge, but together we can overcome it
Logistics / timeline / “reality check”
There must be enough interest.
Then a basic smart contract that will accept payments (in ETH, DAI, or BCP)
Will cover design and production cost.
It will add a massive value - a physical banknote is worth much more than some 010101001011
on the wire