Topic: Does anyone else want to print bitcoin cash (coins or bills) - page 2. (Read 3927 times)

I am trying to understand your concept.  Since you are not going to use any method (hologram, etc.) to hide the private key and you stated you actually want the private key to be visible in the clear, what if I:

1) Go to https://www.bitaddress.org
2) Print out one public/private key pair from the web site
3) Fund the keypair with the desired amount
4) Hand the paper to someone as payment

That sounds like exactly what you are talking about - or am I missing something?

Printing the public and private keys would look exactly like this (from bitaddress.org):


I do not understand your desire for a different/new format, or what the heck you are talking about to tell the truth.

I have decided I am interested in producing bitcoin cheques over the next few months. They would be single-use, so durability is not too much of a concern. Security of the bicoin cheques would rely on two things:

• The printer can prove that they printed a given document.
• The printer can prove (to themselves at least) that they or their hardware has no way of knowing the private key once the document is complete.

I decided that holograms would just make the cheques more expensive to produce without really enhancing security.

One thing I want to do for printing proofs is generate a bicoin address of the form: 1*pubLic*private*key*. Does anybody want to help with that? The Private key would be public, as implied.

Very interested!

They don't offer the 100% cotton paper, which will decrease durability. I just sent them an email to see if they can produce that.

I have been happy with the southworth collection, for the fact that they have been able to take a lot of abuse without falling apart the way wood pulp would.

I am going to do some research and talk to the guy that produced the Ithica Hours to see what their production process was. I think a number of improvements can be made, and a watermark is just one of them.

I am considering making also micro-bills that will be be only twice the size of the hologram. This is likely for sub-one-bitcoin amounts.

Very Interested.
I Had been thinking of doing something similar for sometime.
Too busy with work and family life to make it happen.
I'll be glad to contribute financially.

just a random suggestion for bitcoin bills:

You ought to go and get your own specially watermarked paper at yourownwatermark.com.  The "Southworth Collection" paper used on the Ron Paul bills has the distinction of being available at every OfficeMax and Kinko's in the USA, and if you do a lot of these and place a large enough order, the custom watermarked paper will probably actually cost less than what the Southworth paper costs.

I'm interested, but like I've said before, I'm just as interested in franchising, or just buying the holo-stickers from someone with an established reputation (Mike, for example). Maybe southerners want to buy tupilakker with bitcoins up their... noses, which would still be valuable after the bitcoin is redeemed (like smashing a piggie-bank without the smashing).

I guess coins can only have two holograms since they only have two sides but bills could have more.  I could see up to four holograms on a bill, one on each corner

What a great response. I'll finish up the design and get a quote. This is the same company that Mike uses.

interested

Who's doing them, same guys that did mine?

Yep, there will be a coin logo with the domain name of the printer in circular text on the bottom of the coin. It will be factory thermal printed, and I will have no holograms that don't have a domain name printed on them.


Indeed. The holograms will be all the same except for the thermal printing of the domain name. The base hologram will not be branded in any way specifically (just a bitcoin and some frillery to make it hard to clone and look good). I will do some diligence in checking on who is receiving these, but I have to expect that if there are enough producers, there is decent odds that one will scam users. In which case, it is his name on the hologram, and it is his reputation that will be tarnished.

When buying physical bitcoins you are buying trust in an individual.

This will also open up the possibility of two or more producers working together to produce bills where neither party knows the private key of the of the bills.
See: https://bitcointalksearch.org/topic/elliptic-curve-math-question-53177
and remove this major problem with physical bitcoins.

The only thing a custom hologram does is strongly verify that the person who applied the hologram is the person identified by the name on the hologram. I am opening this up for multiple parties so that cost of this identifier becomes less of a barrier to entry.

I'm interested by the way, I have a potential backer for this here in Australia.

Even though I already have my own hologram, count me in, I would like a share of whatever holograms you come up with.

Is this going to be factory thermal printed (sort of the same way I put ONE BTC on my labels)?

Hmm..  but if one of the participants does compromise the system (inadvertently or otherwise), it stuffs it up for everyone. ie Weakest link...

One thing I recently discovered about sociopaths - is that they don't necessarily care about hiding their identity.  They seem to figure the world owes them stuff, and if they get in trouble with one group of people or in one area, they'll move on.. the world's a big place.

That said - I do think sharing the costs for this sort of thing would be good, just that you might be best off with a maximum of 3 or 4.

edit: or..  for each 3 or 4 participants - release a slightly different hologram design.  Some sort of consortium of physical bitcoin producers could share tips on security procedures etc and even jointly fund projects such as common redeeming websites etc.

I am looking to do a custom bitcoin hologram. On it will be thermal printed the name of the currency producer's website.

This will work in much the same way as the holograms on the Casascius bitcoins. They will be circular and the same size and have a window to show the first characters of a public address behind the hologram sticker.

This will mean that multiple bitcoin cash producers (both bill and coins) will be using the same custom hologram, with basically a personal identifier for them (their website name). I will act as a single source provider so that a fraudulent printer can't come along and pass off bills as though they came from other cash producer.

This will mean that the rather expensive cost of custom hologram initial runs can be split among a pool of multiple producers, and still maintain the authenticity that a hologram provides. The thermal printing of a domain name on a set of holograms isn't expensive.

I can also provide help with pdf generation software for bill and priv/pub printing.

To be considered, I will need:
* A scanned copy of your passport or drivers license (in case you need to be tracked down for fraud)
* A domain name
* A commented piece of text in a web page the domain name points to to show that you own it
* A few hundred dollars (I'll get a more solid estimate once I see what the interest level is).

So in other words, you won't be able to do this anonymously.