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[Goldmundo]

A thousand years. I wouldn't be able to access the content of a BR disc even today, let alone in 1000 years when I'm all wrinkled and senile.

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[cbeast]

Engrave them into these. If someone wants to take them from you, then just give it to them. 

This would not work very well. Although it would stop an attack from gaining access to your private keys, it would also prevent you have having access to them as well, which defeats the point.

Your ideal solution would be something that cannot be easily destroyed and that cannot easily be 'hacked' by an attacker

Keep a backup magazine.

[azguard]

Engrave them into these. If someone wants to take them from you, then just give it to them. 

This would not work very well. Although it would stop an attack from gaining access to your private keys, it would also prevent you have having access to them as well, which defeats the point.

Your ideal solution would be something that cannot be easily destroyed and that cannot easily be 'hacked' by an attacker

Keep a backup magazine.

You will have to engrave twice on loaded and backup magazine.

PS Hope you dont have load off ammo 

[Elwar]

I think I will try this.

If, in 1000 years, I cannot get my bitcoins...I am coming after you OP.

[funtotry]

I think I will try this.

If, in 1000 years, I cannot get my bitcoins...I am coming after you OP.

This is exactly why the OP is not relevant to users needing to protect their private keys. 1,000 years is much longer then the necessary lifespan of your wallet backups.

IMO it is a necessary practice to periodically test your backups to make sure you are still able to access all of your private keys, and at such time you can replace the media that you are using to backup your wallets. If you simply make a backup and forget about it for even one year then you will have the possibility that you will not have access to your money, but you would be operating under the assumption that you did the entire time

[Eisenhower34]

I think I will try this.

If, in 1000 years, I cannot get my bitcoins...I am coming after you OP.

This is exactly why the OP is not relevant to users needing to protect their private keys. 1,000 years is much longer then the necessary lifespan of your wallet backups.

IMO it is a necessary practice to periodically test your backups to make sure you are still able to access all of your private keys, and at such time you can replace the media that you are using to backup your wallets. If you simply make a backup and forget about it for even one year then you will have the possibility that you will not have access to your money, but you would be operating under the assumption that you did the entire time

I would agree with this. If you are trying to find something that can store your private keys safely for a thousand years then you are doing it incorrectly.

If you are not testing your backups (and re-backing up when you run these tests) then you are running the risk that your backups are corrupted and you could end up agreeing to spend money that you don't have access to

[franky1]

proven to last 1000 years..

so back in the year 1014 (52 years before the battle of hastings) someone invented a stone based circular disk that could be read in DVD players..............

hmmmmmmm

well i can bend a disk and snap the thin layer of slate in the middle.. takes only 2 seconds....

i wonder if M-Disk will guarantee the value of the contents if lost., id love to see my claim if i lost my bitcoin priv keys due to cracking the stone layer

i bet the manufacturer spent years banging his head against a brick wall for a permanent solution to data storage..



yea kinda permanent, but definitely not indestructible

[sgk]

Aren't USB devices much better than discs?

Discs tend to scratch often and lose data. While you can store data on USB drives for much longer and you can keep transferring data to newer USB devices every 10 years or so.

[madmat]

Aren't USB devices much better than discs?

Discs tend to scratch often and lose data. While you can store data on USB drives for much longer and you can keep transferring data to newer USB devices every 10 years or so.

Any support could be damaged, paper, usb drive, disc... So you need to make backups, to place them safely in different places and to check the state of the backup support regularly.