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Author Topic: Vanitygen: Vanity bitcoin address generator/miner [v0.22]  (Read 1137396 times)
1miau
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February 08, 2019, 04:09:09 PM
Merited by jacktheking (1), joniboini (1)
 #3661

the hole vanity shit is a bad idea! Always use a new address to send and always a new to receive. -- END --

That is Bitcoin! All other use is stupid!
Well, I disagree here, at least to the first part. And in my opinion, there a quite a few very good use cases for vanity addresses or at least where it makes no difference to use a vanity address or not. I don't see a problem to receive small donations or signature campaign rewards to a vanity address, where your address is public on the site / forum anyways. Or it's a good thing to use it on Bitcointalk to stake your Bitcoin address and secure your account in case you get hacked. For doing so you don't even have to send Bitcoin to this vanity address.

Even if you are not planning to use your vanity address it's a very good way for everyone to get a feeling how impossible it is to guess (brute-force) another private key. Everyone can try it on his own device.

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dtoan1402
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February 25, 2019, 09:59:57 AM
Last edit: February 26, 2019, 03:59:35 AM by dtoan1402
 #3662

I try to modify vanitygen & notice this

Code:
const BN_ULONG rekey_max = 10000000;
BN_ULONG npoints, rekey_at, nbatch;


We can increase rekey_max  to increase the hashes between random new key and decrease to generate more new random keys. As default, it calculate 10000000 keys before generate a new RNG private key again on CPU & 100000000 on GPU. When i try to set rekey_at to 1 to make it generate new privkey everytime, the keyrates drop as well, from 1.3mkey/s to 100-200keys/s & it didn't even use 100% of CPU power. How we make it generate new RNG random seed all the time instead of hash keys from seeds?
Riboflavv
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April 01, 2019, 10:38:52 AM
 #3663

I tried this a long while ago but ran into troubles on Mac when trying oclvanitygen.

Samr7 stopped development of vanitygen, what is currently the best github repo to get a version that works on Mac?
BurtW
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April 24, 2019, 02:45:34 AM
 #3664

Have anybody try to run vanitygen on Google's TPU cloud machine or any HPC service? What's the best keysearch rates has it archive so far? Huh
Why would you run it online? It is risky to do that because your data could be intercepted.
You should run vanitygen offline on a secure computer. Using OpenCL is fast enough for me.
I think his point is Google's TPU or HPU can generate vanity address at faster rate. While it's true that the information could be intercepted, using encrypted connection could solve the problem.
Using split key is a much better solution, so that Google itself can't know your private key either. They can still know you generated the address through.
I totally forget about split key. But google knowing user generate vanity address doesn't matter unless you could know bitcoin address just from partial private key, brute force to get private from an address with partial private key or have serious privacy concern.

Here is an old thread from 2012 where we all discussed how outsourcing vanity address generation could be done.  The math is discussed there if you want to read up on it.

Later, most of us in the thread gave up on the idea since anyone who cares about fungibility wants to get rid of address reuse all together.  Ideally all addresses would get used exactly two times:  once to fund it and once to spend it.

This flies in the face of the entire concept of vanity address generation.

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May 11, 2019, 03:46:44 PM
 #3665

So anyways, I've solved 1BruJoLoKo while searching for a lot of other prefixes:

1BruJoLoKozkJmSktkYUhxZiwj8R7ShaED

PM me if interested, I have the private key (just not part private key)



According to the search page BTC 0.0144 is valued at

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RHavar
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May 11, 2019, 07:39:11 PM
 #3666

Later, most of us in the thread gave up on the idea since anyone who cares about fungibility wants to get rid of address reuse all together.  Ideally all addresses would get used exactly two times:  once to fund it and once to spend it.

This flies in the face of the entire concept of vanity address generation.

Not exactly a true vanity address, but I have played with using "private vanity addresses" which are kinda like a vanity address if you know how to "unlock" it.  (e.g. sha256(address || privateSeed)  starts with 0x000000  or something.

And you have the privacy aspects of a normal address, but you (and anyone you give the privateSeed to) have a very quick way of knowing if an address is yours (with a small amount of false positives). It's pretty sweet for scanning the blockchain for instance (just discard everything that doesn't match your private vanity address).


SkyDr4k3
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May 13, 2019, 11:12:18 PM
 #3667

is there a video guide for noobs? i wish i could search for random privatekeys (i just want to waste my time)
OgNasty
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May 14, 2019, 05:18:39 AM
 #3668

is there a video guide for noobs? i wish i could search for random privatekeys (i just want to waste my time)

It would literally be a waste of your time on levels I don’t think you’re fully comprehending. You’re much better off spending the money you would have wasted on electricity on lotto tickets if gambling is your thing.

nc50lc
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May 14, 2019, 05:30:16 AM
 #3669

is there a video guide for noobs? i wish i could search for random privatekeys (i just want to waste my time)
I can't find any video guide (actually I didn't searched). But there's a comprehensive guide in the Beginners and Help board.
Link: [Guide] How to create your customized Bitcoin-Address (vanitygen) – step by step.
It's fool-proof, even your cat can follow it.

Good luck on finding private keys and tell us if you find one, contact me after 9999999999999999999 years Smiley

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quantummachine
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May 16, 2019, 02:28:29 AM
Merited by Jean_Luc (1)
 #3670

I put up a website listing all the bitcoin addresses with balances, sorted from the most to the least,

https://bitkeys.work

You can see, the top address has 122K BTC in it. You can try to vanitygen your addresses by targeting those address, and good luck in some years.
Jean_Luc
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May 16, 2019, 07:50:10 AM
 #3671

I put up a website listing all the bitcoin addresses with balances, sorted from the most to the least,

https://bitkeys.work

You can see, the top address has 122K BTC in it. You can try to vanitygen your addresses by targeting those address, and good luck in some years.

Nice Wink
It could be interesting to have the public key (if exposed) instead of a random priv key.
Which is for instance the case for the first address with 122,804BTC:
Pubkey: 03c931af9f331b7a9eb2737667880dacb91428906fbffad0173819a873172d21c4
Addr (Segwit 1x1 p2wpkh-p2sh): 385cR5DM96n1HvBDMzLHPYcw89fZAXULJP
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May 28, 2019, 08:39:51 AM
 #3672

hello, i'm interested why gpu can't quickly generate addresses with low difficult, command for example:

./oclvanitygen -C BTC -o results.txt -i -D 0:0 -k 1
Btceon
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May 30, 2019, 09:09:38 AM
 #3673

Please advise me! I have a list of 15 million compressed public keys, as well as Bitcoin Address. Using "Vanitygen" is it possible to find at least one private key from any public key from the list from the large list of compressed public keys secp256k1?

Public keys:       https://drive.google.com/drive/folders/1HByDJR9Ck5CdIwTl-v_IzcaVhsG8aKaA
Bitcoin Address: https://drive.google.com/file/d/1KFTPpH8fmw_44Ns0F3mEOFXXjzOQecVG
EMAIL:              rozwrcd@gmail.com

aarons6
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May 30, 2019, 09:15:09 AM
 #3674

Please advise me! I have a list of 15 million compressed public keys, as well as Bitcoin Address. Using "Vanitygen" is it possible to find at least one private key from any public key from the list from the large list of compressed public keys secp256k1?

Public keys:      https://drive.google.com/drive/folders/1HByDJR9Ck5CdIwTl-v_IzcaVhsG8aKaA
Bitcoin Address: https://drive.google.com/file/d/1KFTPpH8fmw_44Ns0F3mEOFXXjzOQecVG
EMAIL:             rozwrcd@gmail.com



nope, thats what makes bitcoin secure.
riskyfire
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July 17, 2019, 04:21:25 PM
 #3675

is there a video guide for noobs? i wish i could search for random privatekeys (i just want to waste my time)

Hi, I created a beginners video a little while back
How to Create a Custom Bitcoin Vanity Address | 1BEERxdex...
https://www.youtube.com/watch?v=k7VKvgK6s58

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July 17, 2019, 06:24:10 PM
Merited by LoyceV (4), ETFbitcoin (1)
 #3676

is there a video guide for noobs? i wish i could search for random privatekeys (i just want to waste my time)

Hi, I created a beginners video a little while back
How to Create a Custom Bitcoin Vanity Address | 1BEERxdex...
https://www.youtube.com/watch?v=k7VKvgK6s58

i just watch the video but i saw that you use bitcoinvanitygen.com on your video but i think that website is a scam website.
because they stole your bitcoin's from the address you created there, and you can read more info here https://bitcointalk.org/index.php?topic=1476782.0

...loteo...
DIGITAL ERA LOTTERY


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LoyceV
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July 17, 2019, 06:57:38 PM
 #3677

Good spotting feryjhie, it's a confirmed scam.
I've posted this on Youtube:
Quote
bitcoinvanitySCAMgen.com (URL intentionally broken) is a scam. See https://bitcointalk.org/index.php?action=trust;u=303026
Please remove it from the links and video, it's making a great video look very shady. Thanks, LoyceV.

@riskyfire: please follow up, promoting a scam is not appreciated on Bitcointalk.

analyzing
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July 22, 2019, 04:19:54 AM
 #3678

Vanitygen is not true brute force , it is randomizing all the time

/* Generate a new random private key */
         EC_KEY_generate_key(pkey);
         if (vcp->vc_privkey_prefix_length > 0) {
            BIGNUM *pkbn = BN_dup(EC_KEY_get0_private_key(pkey));

i was wondering how can we set a reference prefix from where vanity address generator will start and vanity have to generate all keys in series rather than randomly. i guess that will boost generation 2x as compared to current hash rate.   

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aarons6
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July 24, 2019, 01:34:54 AM
 #3679

Vanitygen is not true brute force , it is randomizing all the time

/* Generate a new random private key */
         EC_KEY_generate_key(pkey);
         if (vcp->vc_privkey_prefix_length > 0) {
            BIGNUM *pkbn = BN_dup(EC_KEY_get0_private_key(pkey));

i was wondering how can we set a reference prefix from where vanity address generator will start and vanity have to generate all keys in series rather than randomly. i guess that will boost generation 2x as compared to current hash rate.  

this has been posted before and the reason is there is no need. it woudlnt work the way you think it does as the private keys dont go in any linear value.. its not like you can only check the private keys that start with a certain prefex to get public ones that do..

you dont go 1, 2, 3, 4, 5, 6, to get a, b, c, d , e.


also i think it would take a significant amount of cpu time and make things really slow.
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July 24, 2019, 03:49:55 AM
 #3680

Quote
this has been posted before and the reason is there is no need. it woudlnt work the way you think it does as the private keys dont go in any linear value.. its not like you can only check the private keys that start with a certain prefix to get public ones that do..

you dont go 1, 2, 3, 4, 5, 6, to get a, b, c, d , e.


also i think it would take a significant amount of cpu time and make things really slow.




Disagree with you , let's say you are generating private keys in Sequence (1 2 3 4 5 6 .... )  ( i = 0; i < ptarraysize; i++) & calculating addresses of generated keys ~~ now even a small cpu can handle i++ with
significant speed . Lets say you set prefix and told in codes generate private keys after this prefix of 20 (e.g. you want keys after 20 so 20 21 22 23 24 25 26 27 .... . .. .) that will double the speed of generation & will be lot easy for even low end cpu as he just need to count i++ nothing else.

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