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Author Topic: Plastic Bitcoin Wallet Card  (Read 1626 times)
Elxiliath
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December 04, 2012, 04:16:27 AM
 #1

Greetings, I have recently begun working to design a plastic bitcoin wallet, similar to an ID badge or credit card to create something that works like an offline wallet which can also operate as a funded pre-paid like card as well, depends on the interest.

My idea is to utilize a design like some on this forum with to squares punched out of the card, replaced with a holographic QR Code.  A secondary portion to this is to create a third QR code on a second card, let's call this the "Red" card or "Pass" Card, that would contain bits from the private key that would be missing on the primary card, but when paired one on top the other would create the private key for spending.

I plan to utilize 12 or 30mil plastic cards for this with a design overlay on top.

I'm posting here first to possibly generate interest or get an idea before investing money in such items to sell.  I will update over the week with designs on what I believe to be a good concept of this product.

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https://bitcointalk.org/index.php?topic=623937
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December 04, 2012, 04:19:27 AM
 #2

How to spend the funds at the gas station?

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.THE JOB DONE.

 

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Elxiliath
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December 04, 2012, 04:26:42 AM
 #3

Enabling you to spend funds at a gas station is a little beyond me, this would allow you to spend your coins with different apps and such created for the bitcoin network and wallets that enable you to use QR codes to spend bitcoins.

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https://bitcointalk.org/index.php?topic=623937
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December 04, 2012, 04:46:11 AM
 #4

ah ok cool.

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.THE JOB DONE.

 

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December 04, 2012, 05:20:30 AM
 #5

Greetings, I have recently begun working to design a plastic bitcoin wallet, similar to an ID badge or credit card to create something that works like an offline wallet which can also operate as a funded pre-paid like card as well, depends on the interest.

My idea is to utilize a design like some on this forum with to squares punched out of the card, replaced with a holographic QR Code.  A secondary portion to this is to create a third QR code on a second card, let's call this the "Red" card or "Pass" Card, that would contain bits from the private key that would be missing on the primary card, but when paired one on top the other would create the private key for spending.

I plan to utilize 12 or 30mil plastic cards for this with a design overlay on top.

I'm posting here first to possibly generate interest or get an idea before investing money in such items to sell.  I will update over the week with designs on what I believe to be a good concept of this product.

This is probably out of scope for your first pass, but it would be cool to see an NFC solution as a head-to-head alternative to traditional payment cards. Has their been any talk/work on a BTC NFC standard similar to the QR standard?
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December 04, 2012, 05:51:18 AM
 #6

In my signature you can see my similar project;)

https://bitcointalk.org/index.php?topic=84484.0

Sorry for my bad english Wink
Bitcoin card for deposit and payment + Little POS
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December 04, 2012, 06:18:39 AM
 #7

My idea is to utilize a design like some on this forum with to squares punched out of the card, replaced with a holographic QR Code.  A secondary portion to this is to create a third QR code on a second card, let's call this the "Red" card or "Pass" Card, that would contain bits from the private key that would be missing on the primary card, but when paired one on top the other would create the private key for spending.

While it's a great concept and I'm sure there will be a successful implementation, I think you are off on the wrong foot. The purpose of the private key is so that you transfer control of the bitcoins, not the bitcoins themselves. I don't think that is what you want.

What you want is a way to send your coins from a wallet that may or may not be contained in the card.

Here are some simple possibilities:

If the wallet is on the card, then the card could have a chip that accepts a payment address,an amount, and a PIN through a terminal and then sends the coins to that address via the terminal.

If the card only gives access to your wallet, then the wallet could be stored on some service that would accept your PIN, a security token from the card, an address, and an amount, and then send the amount to the address. One benefit of this method is that if the receiver trusts your service, then there would be no need to wait for confirmation.

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