ZCash cold storage - Does anybody have instructions?


#1

Before zcash goes live I would like to set up air-gapped cold storage.
Has anybody written on this topic?
Or, is there an equivalent bitcoin approach that will also work for zcash?


#2

It's not that different from Bitcoin or any other altcoin. Just generate a private key and address, turn them into QR codes and print them on a piece of paper


#3

I believe OP's question also includes how to create and sign zcash transaction offline, not just how to create address.


#4

One way to guarantee information only ever flows one way is to transfer all information off a computer via QR codes. Another way would be to encode it as audio and output through a speaker (assuming the speaker doesn't have a secret input.)


#5

I have always used Bitcoin Armory, so I never learned how to do it manually. I suppose I'll have to search old bitcoin discussions to figure this one out.


#6

@hud, that's correct, for proper cold storage the private keys must always be on the offline computer only, which means the transaction must be signed only on the offline computer.


#7

Also note that you will probably want to store the coins offline in a transparent address, if you don't want to use a computer for extracting coins from cold storage - I do not recommend creating a JoinSplit transaction by hand :stuck_out_tongue: