I looked in to embossing on metal, like dog tags, but found a better solution looked like being to laser engrave - here it's on an aluminium credit card size, titanium would be cool, a free business idea for Casascius or someone to provide
http://www.ebay.com/itm/50-Custom-Design-Engraved-5-Colour-Metal-Business-Cards-/220913772921
The problem here though is that it's for 50 identical cards whereas a run of just 3 or so with each private key would be fine as a backup physical storage, I see they also offer engraved rings in tungsten or titanium which would be cool as the private key could be hidden on the inner side & worn while a backup kept in a safe place & engraved inside a gold ring would be a most desirable object - like a posy ring
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=320697957397
http://www.google.com/search?client=safari&rls=en&q=possy+ring
Topic: Using alphabet/number beads for private keys - page 3. (Read 3628 times)
Maybe you can use the larger 5.5mm silver plated beads for the uppercase and the lowercase and numbers can be the smaller 5mm beads.
Yeah, I thought of that too. So I plan to generate a mini key and then buy the beads I need from that site. Maybe add a few more random beads, so even if that website knew what I was doing, it would be quite hard to figure out my key.
can't you just use 'special' paper that doesn't decay? I'm sure I've heard of such paper that can last 100yrs at least.
The ink could fade even if the paper doesn't decay. Plus, water won't be a problem for beads unlike ink on paper. Fire will probably be a problem, but that's true for most things.
can't you just use 'special' paper that doesn't decay? I'm sure I've heard of such paper that can last 100yrs at least.
Good idea.
To the uninitiated it will look like "cheap jewelry with only sentimental value".
What will you use for the lowercase letters?
Maybe you can use the larger 5.5mm silver plated beads for the uppercase and the lowercase and numbers can be the smaller 5mm beads.
http://www.beadsrfun.com/Letter-Beads,-Number-Beads-and-Charms-5.5mm-Pewter-Letter-Cubes-Silver-Plated/c257_402/index.html
n.olmos
To the uninitiated it will look like "cheap jewelry with only sentimental value".
What will you use for the lowercase letters?
Maybe you can use the larger 5.5mm silver plated beads for the uppercase and the lowercase and numbers can be the smaller 5mm beads.
http://www.beadsrfun.com/Letter-Beads,-Number-Beads-and-Charms-5.5mm-Pewter-Letter-Cubes-Silver-Plated/c257_402/index.html
n.olmos
I've been thinking of ways to safely store my bitcoins. After hearing so many stories of stolen bitcoins and lost bitcoins, I wanted an option where I can put some private keys in a bank safe somewhere. One option is to purchase casascius physical bitcoins. They are cool, but then you have to trust that Mike Caldwell (casascius) does not keep a copy of the private keys. Or I can just write it down on a piece of paper and store that piece of paper in the bank safe. But a piece of paper might not last... plus water and heat can easily render the writing illegible. Then I thought, what if I use alphabet/number beads to string together a mini private key and store that in my bank account. Something like these: http://www.beadsrfun.com/Letter-Beads,-Number-Beads-and-Charms-5mm-Pewter-Letter-&-Number-Cubes/c257_288/index.html
To me, that seems like a great way to store a physical representation of a private key. What do you think? Obviously, this it just for bitcoins in my "savings" account. It will be stored in my bank safe for many years. So they will either be worth a lot of money or nothing by the time I take them out.
To me, that seems like a great way to store a physical representation of a private key. What do you think? Obviously, this it just for bitcoins in my "savings" account. It will be stored in my bank safe for many years. So they will either be worth a lot of money or nothing by the time I take them out.
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