The concept of encrypting the seed on one PVC transparent sheet and the encoded noise on another, such that when they both are overlayed the secret can be revealed. I had two questions pertaining to how this would be useful in a real time scenario:
1) As compared to regularly storing our seed on a paper / printing it on a thing sheet of stainless steel vs that on the revealer, I'm noticing that in both scenario's we can still maintain a form of two-factor backup. For example on a paper wallet or writing our seed on a paper we can store few words on one sheet of paper and other set of words on another. Place both of these papers in different secret lockers of yours and it'll still be useless for a theif to steal just one paper.
1) As compared to regularly storing our seed on a paper / printing it on a thing sheet of stainless steel vs that on the revealer, I'm noticing that in both scenario's we can still maintain a form of two-factor backup. For example on a paper wallet or writing our seed on a paper we can store few words on one sheet of paper and other set of words on another. Place both of these papers in different secret lockers of yours and it'll still be useless for a theif to steal just one paper.
not really, if a thief has access to half of your seeds your security is reduced dramatically.
If a thief has access to a revealer OR to a encrypted seed, your security is untouched.
2) If I have multiple seeds / wallets then do I need to order multiples of these or can multiple of them be printed / stored on one PVC sheet?
yes. from the FAQ:
Can I encrypt many different secrets for the same Revealer?
Yes, but should you? Revealer is a one time pad – it has perfect security as long as it’s used once.
Depending on your threat model you might want to have more than one secret encrypted for the same Revealer. For instance, if you need plausible deniability. In this case, you need to make sure an adversary has no way of accessing two (or more) different secrets encrypted for the same Revealer otherwise it can be attacked.
However, you can have your seed unencrypted and use the revealer to encrypt multiple passwords that extend the seed to different wallets - for example. Depending on your use case, threat model, and how you feel more comfortable using it.
