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Topic: Want a Bitcoin Vanity Addresses - page 3. (Read 2588 times)

hero member
Activity: 532
Merit: 500
Currently held as collateral by monbux
July 01, 2014, 06:28:38 PM
#9
This way a third party has your private key which is a big no no. they can just input private key and withdraw from your wallet.

No, split-key generation is being used here. Properties of elliptic curve cryptography allow you to keep a private key, and provide the vanity searcher the corresponding public key. They search until their hash(their public+your public) has the right prefix in base 58, then they provide you the private key they found.

You then combine their private key half (which they provide to you) with the one you kept secret.

My mistake I see now that is does use that. thanks for pointing that out.
sr. member
Activity: 267
Merit: 250
6th BTC reached. Thank you for your support
July 01, 2014, 05:01:52 PM
#8
This way a third party has your private key which is a big no no. they can just input private key and withdraw from your wallet.

To be more secure, you can download bitadddress.org to an offline computer to generate your Public and Private keys.

Like rarkenin said, we use split-key generation, nobody but you have the first part of the private key.
hero member
Activity: 784
Merit: 500
July 01, 2014, 04:40:22 PM
#7
This way a third party has your private key which is a big no no. they can just input private key and withdraw from your wallet.

No, split-key generation is being used here. Properties of elliptic curve cryptography allow you to keep a private key, and provide the vanity searcher the corresponding public key. They search until their hash(their public+your public) has the right prefix in base 58, then they provide you the private key they found.

You then combine their private key half (which they provide to you) with the one you kept secret.
hero member
Activity: 532
Merit: 500
Currently held as collateral by monbux
July 01, 2014, 04:32:40 PM
#6
This way a third party has your private key which is a big no no. they can just input private key and withdraw from your wallet.
sr. member
Activity: 267
Merit: 250
6th BTC reached. Thank you for your support
July 01, 2014, 01:20:18 PM
#5
Cant anyone just get a vanitygen and do this... lol

Yes, absolutely.
legendary
Activity: 1456
Merit: 1002
July 01, 2014, 01:14:20 PM
#4
Cant anyone just get a vanitygen and do this... lol
sr. member
Activity: 267
Merit: 250
6th BTC reached. Thank you for your support
July 01, 2014, 01:04:58 PM
#3
Seems like this process is fairly secure (split-key generation). However, is there any fee or payment needed?

No, just giving back to the community.  But won't be instant, might take some time.
hero member
Activity: 784
Merit: 500
July 01, 2014, 01:03:34 PM
#2
Seems like this process is fairly secure (split-key generation). However, is there any fee or payment needed?
sr. member
Activity: 267
Merit: 250
6th BTC reached. Thank you for your support
July 01, 2014, 12:59:11 PM
#1
Get your own Bitcoin Vanity Address FREE! (up to 6 characters, 1xxxxxx)

1Bitcoindqz47YKwUvsPug6WfoqLc6LBeZ

-or-

1MyCoinMwJWFWp46jXMq5etHtFex67uyus

Follow the steps below to have your Vanity Address!

1 - Visit https://www.bitaddress.org
2 - Click Vanity Wallet then click "Generate" next to Generate your "Step1 Key Pair"
3 - Reply with Step 1 Public Key. Remember to save the private key.

Once your Vanity Address is generated I'll reply back with your Private Key. Use this Private Key alone with the one you generated in above to retrieve your Vanity Address and Private Key.

To get started, please reply with your desired vanity and Public Key generated above.  Please note the following character/number is not valid on a Bitcoin Address.
0 - Zero
I - Uppercase i
O - Uppercase o
l - Lowercase l
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