Just a bit more expensive than the higher end notes produced by Switzerland/Australia and less expensive than limited edition postage stamps. We looked at exis

Just a bit more expensive than the higher end notes produced by Switzerland/Australia and less expensive than limited edition postage stamps. We looked at existing hardware wallets like trezor and ledger and realized we could create something like this for 1/20th the price. Once we realized the numbers we were playing with we ran with it. Conceptually, I prefer validating something with a cryptographic signing operations rather than looking at some watermarks. Kong is a proof of concept but we could always print these for other governments.