The passphrase tag has no wiki summary.
2
votes
1answer
81 views
I never encrypted my wallet.
When I installed it I never encrypted it. I then funded the address and I now have 1.1 bitcoins. But when I tried to send or create a new address it asked for a passphrase. I tried every possible ...
0
votes
0answers
11 views
Does bitcoin.conf exapands environment variables?
I would like to keep passwords and such on environment variables, like:
rpcuser=$RPC_USER
rpcpassword=$RPC_PASSWORD
Is it possible?
2
votes
1answer
84 views
What does Bitcoin-Qt “Change Passphrase…” do to existing private keys and corresponding addresses?
"Change Passphrase..." obviously lets me encrypt the wallet with a new string of text. I think (correct me if I'm wrong) that this creates new private key(s) inside wallet.dat.
How are existing ...
1
vote
1answer
143 views
Why does Bitcoin-Qt not launch the program, on Mac
I can't believe that I have lost my Bitcoin Wallet just because I clicked on the red spot on the window of it on my Mac. Or was this enough to loose it???
I think I have the address (does it start ...
2
votes
1answer
69 views
Is there any risk associated with using the same passphrase on two different wallets both hosted on blockchain.info?
Does blockchain.info use any salt with the passphrase?
I.e., is there any risk associated with using the same passphrase on two different wallets both hosted on blockchain.info?
edit: of course ...
2
votes
1answer
159 views
How long would it take to crack an 8-word brain wallet?
Assuming my private key for a bitcoin wallet is derived from SHA256(passphrase) and the passphrase is 8 words long, how long would it take the average attacker to crack my bitcoin wallet through a ...
-3
votes
1answer
38 views
Multiple questions [closed]
Does one buy/acquire both physical and digital BTC?
For the physical, do you go to a place of business and use them the same as you would use (money) change? If yes, how does this benefit the ...
0
votes
1answer
177 views
2FA enabled mtgox / blockchain.info wallets safe even with week passwords?
Two factor authentication (2FA) enabled mtgox / blockchain.info wallets safe even with weak passwords? whats the risk here, except loosing mobile phone?
other details,
2FA software -> Google ...
0
votes
1answer
424 views
Bitcoin-Qt client: easy way to using a wallet.dat not in it's default location/when it asks for my password at all?
It doesn't have to be called "wallet.dat", right? That would be too obvious. Can you call it anything, with any extension?
Bitcoin-Qt is just not so trivial to me to use since the trivial way would ...
2
votes
1answer
85 views
Ideal passphrase length: old diceware method (5 words) vs. your Bitcoin wallet.dat passphrase lenght (8 words) and doubling passwords?
I made a cool 5 word passphrase back then using the old Diceware method and use it as a master password. The question is as computing power increases will we need to add more and more words to our ...
3
votes
1answer
671 views
I lost my Bitcoin wallet passhrase. Are my Bitcoins lost?
After reading about all the hacks I created a passphrase that I cant remember.
Are Coins lost forever in the blockchain?
There must be a lot of coins in this state… Is there any way to see what ...
2
votes
1answer
441 views
Unlocking wallet, recovering password
I want to send bitcoins, but cannot unlock my wallet. The rpc password located in \AppData\Roaming does not work. How can I unlock my wallet? Deleting the wallet.dat erases all my bitcoins, which I ...
6
votes
1answer
1k views
Forgot wallet encryption password, are any brute force tools available? [duplicate]
I have an idea of what my password should be, but am missing something.
Are there any tools or bash scripts to brute force my wallet passwords?
If a dictionary is required, I can pre seed it as ...
4
votes
2answers
308 views
Can I use a passphrase as a private key?
Is there a way to use a long (and possibly hashed) passphrase as a private key, so that all I need to recover my Bitcoins would be that password?
I was thinking of buying Bitcoins using a private key ...
5
votes
1answer
457 views
Can an SHA256 hash be used as an ECDSA private key?
Is it possible to map a pass-phrase directly to a Bitcoin private key by using its SHA256 hash? I remember reading somewhere that not all 256 bit values are valid ECDSA private keys. If so, how can I ...
3
votes
2answers
880 views
Can I remove the passphrase from my Bitcoin Wallet?
I'm using the standard Mac Bitcoin client and I added a passphrase. I'd like to remove that passphrase. Is that possible?
