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Topic: How to make physical Bitcoins? - page 2. (Read 4432 times)

legendary
Activity: 1050
Merit: 1002
June 27, 2012, 10:05:21 PM
#8
@ Rugatu - Feel free.

@ acoindr - One possible solution to the trust problem might be to give out very small amounts for free, sort of like an offline faucet and as as people redeem them they'll see that they're redeemable. Alternately, people could check feedback on eBay and the like.

That would just show people the ones released were redeemable. If someone was running a scam of course they would make the trap look like it wasn't a trap Wink

The value of every single bill (or whatever) could not be questioned, otherwise people wouldn't accept the value of it, which is a key requirement for something being money. I think the best way to do it is like Casascius and attach a verifiable identity to the addresses used - someone to hold accountable.
newbie
Activity: 24
Merit: 0
June 27, 2012, 09:36:40 PM
#7
@ Rugatu - Feel free.

@ acoindr - One possible solution to the trust problem might be to give out very small amounts for free, sort of like an offline faucet and as as people redeem them they'll see that they're redeemable. Alternately, people could check feedback on eBay and the like.
legendary
Activity: 1050
Merit: 1002
June 27, 2012, 09:27:00 PM
#6
Of course the challenge of any physical version is convincing people the manufacturer destroyed the private keys and can't use them. I think Casascius physical bitcoins handle that well.

Other than that the only real version of physical bitcoins would need to be electronic enabled somehow like the bitcoincard.
legendary
Activity: 1246
Merit: 1016
Strength in numbers
June 27, 2012, 06:57:57 PM
#5
I want an Oreo type cookie that you roll open to reveal the private key.

Don't eat that cookie!
full member
Activity: 182
Merit: 100
June 27, 2012, 06:35:29 PM
#4
That is an interesting question and would like to know the answer. Do you mind if I ask on Rugatu for you and add a reward to it ?
legendary
Activity: 3066
Merit: 1147
The revolution will be monetized!
June 27, 2012, 06:32:38 PM
#3
At least some versions use a scratch off to reveal an address.
member
Activity: 76
Merit: 10
June 27, 2012, 06:31:50 PM
#2
It's all public key cryptography. When you go to make a physical object with a bitcoin value, you'll generate a key pair. Write down the private key on the object (As the number itself, or a QR code), and use your bitcoin client to send some coins to the address generated from the public key. Then, anyone who later comes across the object can read the private key off of it, import it to their client, and have access to the funds you sent it.
newbie
Activity: 24
Merit: 0
June 27, 2012, 06:25:25 PM
#1
I've noticed several people here making physical notes or coins with Bitcoin values and I'm wondering how they do that. I'm new to Bitcoins but have been making monetary-themed art for many years and it's something I might like to try myself sometime. Making the physical object and its design is easy, but what I'm confused about is how to transfer the actual monetary value from my personal client software to this piece of paper with a number on it. How do you "send" Bitcoins to a physical object instead of another alphanumeric payment address? And do physical Bitcoins have to have a QR code?
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