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Author Topic: Private key (privkey) hunters - unite!  (Read 692 times)
robolove
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May 29, 2018, 01:16:42 PM
 #1

My fellow crypto hackers. I've been into finding BTC private keys for a little more than a year. I have slightly less than 18k private keys in my own database.

As some sort of proof, here are 50 privkeys - try importing them in for example Electrum

Code:
L3wtCheT3Tvchz6WxsQgVmYopxDKBMxXKC1UpLnVJzEFi34maKLx
KzGk41jwqyoqJN3Rsbv2jDUKQBWYfMLnAke3F89U5oWwf3cauWP3
KxyHuRb7SaTkj36ynts6S58EtFYWDkwcLc3E5WpSdJkcVwgyFgaS
5KkjcrNnP1avWB5g2PimyreVdX5FN8e91UsyerK7z5pGcf6WCYD
5KknpBbehjZ4DRBStfMyd68VNP63rtFHusYaNuDqaE78N948ALf
5KkkZ48EaBs5gmY7W8pAb1cu1KHXVPH4xujT6vmyuYR4WyZ4tmn
5KkmcE7NJTSF9As6we7upSkX9dFxBq9eZNXvfNtyyaKmSbG9hUz
KyEq2YmegzAtz4ADyVowX3fqpvXUinPuTjSknsp218U2zY1Qmi5G
KyfaCbfHkzToiBpawkT1ik3TjQjFfaztgyDyzRHmgGEyz7dTArU4
L4G94NBReR1ZwRkdMSLP41nKXiooLxF9u6YVGp1uPe1eDVeN7qB4
5KkmYchw1wBKCzdY7G7tc5WF6WY5PkCmZxHXi9kYfHfyEWqY1gp
L3uSFVXSUretVNDccCBDPjLSSneCcXaeZPTfe9FS9s3SKAYfdeL6
5Kkjh1TrXpfPQGiEMcptaGBLf8h1KUbtn3n86dmqUoVqPfEfb1P
5KknEJnLyFiGgbUE6ciiGHMQez7o1zW4hMo4VZLpkdSsowuUgPQ
5KkhJ2is3EW8H56n6AvgqT1kWqWh6YhM4KM7ttfjdzrw1qJRyju
KyKQRUE38VFV6iVuX4yJ7GCGrRiquhTSoV3BLmLvCqF6RPXan67Q
5KkkCDvzfsxwTF4NQWsPNdd5ZkcgcGviZWevvQqfYp3ex45VypG
5Kko7c8fGKVSChc8PWJnzEFxXwVTvWJHZVUg8nyGmy3U9DXRMPp
L49HFoB1iFEvzXQn1agpggYGENHTW3khEL4rRArYrcWQcm1iXw4n
L4bSP2b1tBvwnuMrDoZm4vziWhrbzwBtwrsVwmPJqTDUWxCXJH6q
KyAFnDsPNN7DypKeS1wsT6Qzx9A3qGd53uWNeCuvCDjumYEPkoPj
5KkgzEYsJbifwJuqxTPSgkUGstYwX5HKPFucrM776qCwoMdwt59
5KkjenRdxoneEU8Mi8QvRFNuA6jPuiV7Wn9mVobsJiRB2uDXYsN
5Kkg2t2deWnTZrrSRG9jSByMDFKBxQvtYmPd5mycR6DFZHtiQjY
L4XnHhvLC1b4ag9L2PM9kRicQxUoYT1Q36PQ21YtLNkrAdWZNos6
KzK4uyoSm7Bdf3p91P4zVhS4cM4Pq87oCegWf4DcPrqiUDsLfDDt
KyhAKoDY9bfS8ckz2GapefFZfCKMgYTTb1FV2uH3LW2UjvY4xQTM
L3iDb3whFacS3pXFtcJfFLrxpBdJPHL5hUezgMAyYhPzEQhixgKN
5KkgNphSWbFy1r4Eobq1Pbb8kcG1geUpasi597T317HGhP8pYBe
Ky593tmxMTKEs9RjWvZ7bPMNa86wpsxm6di3X48kj4qpPaAj1ygs
5Kkk3dG43gJGHm4SaFC4qRGF7MYG4ShZZ8ESDSiKti1nu71v6Z5
5KkmVdDfTg2QnsMPcyqzbLLX7bZJx4nJATRyLJ9WXy6zDvYwaTR
5KkhGSzfoEaaYdKKeJuq3A7tmPzQdGYxZT2rm71XCAezxn8j6cT
5KkhgqewuqUTXSXZK4oTDi6rg4MHLssE5bh14oZH9NDRrwVdRvJ
KyUYJCbdvkdqWv7csuNHKWsGDcCi5YVXFaP2kfXtDpDNhykCuF6h
5KkmnJwzHL3kTWd8SAkssLmB2yRgUyYoA8X6jn73yfRxHVJYsru
5Kki22dZ3p9mLHvamV9mozC6ypUpq9ZSBa977eaYnec4EdkTLae
5KkhmdqyvaQwuhQ1cfQJCm1xfW4NXV6iDVRuRmVhXMPzGoMEm2s
5KkgASK9mPUrLAogFXZ9cMkxdkP1LNPEoFDVY2FfT64wBQs3fox
Kxk1JRsf6x1aUzN4Gff8ByFX3Jn7XP4NknGZoV6ovaEEVVJF5txf
L4QXUpcMgLC3NxrHgA9EpwAd5pRAkJfh2TvhYATXTW9fgnJuCWRn
Kxntb6r9WjUSJvajfKPWDrJvMVake5J4hBwEd5c4iGepHTbwqi8r
Kxx7AQStazNq2bhBb9nMpfZCKcdvrmKaEtUFskzcmAtVU94Y1jj4
KzedceVxZmamK3KwjpHisZkL7FWUmZnBMZQJTzAWzwbE7zwquaMd
L4rK1yDtCWekvXuE6oXD9jCYfFNV2cWRpVuPLBcCU2z8TrisoyY1
5Kkg7F7nvwy8uKtQsaKZWr9FGPMnM4Vs9nf7LuBXRdxUGZyMAtm
5KkizbG8giTgVgMgS9t1XMHNnxoUEEa2WkB8e1EoArYsqUoGDku
5KkjX2EQbKW1kJk9tRvgvbKcWxjhSicy2DUirQZSzTJ4M9Vd3UD
5KkhNgCMwzjEF7sCWXfKx7v7DHtthU3Jk6jmHHx5AaFnErA3Dzp
5KkmMUpsjKB3gKWzvDA1gsbDFsLFE5Z9H3JRsNSdVSsNFeyJU8D

...and you will get something like (sorry, seems like I don't have the required rank to embed images):

https://imgur.com/a/NwN6ZWA

The vast majority of the privkeys I've discovered are NOT from brainwallets (i.e. weak SHA256 hashes). Image search for QR-codes was nice for a while though, but those days are over. I have a couple of other techniques that I'm fairly sure anyone else hasn't thought of.

Every privkey in my database corresponds to a BTC address with at least two transactions on the blockchain. I throw away all "empty" privkeys.

I have a large Bitcoin Core wallet containing all my discovered privkeys. Five smaller transactions happened within the past week.

Anyways.... I was thinking maybe someone here has the same hobby as I do? Care to hook up and share some thoughts and strategies?
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May 29, 2018, 04:54:17 PM
 #2

Ah, we need to connect. Been doing this for a while too. Our database is bigger than yours. Also only with active privkey/address pairs.

Here are 50 privkeys from our database as proof:

Code:
5HqjFMbKYBDkNaMWh28kTDVdVDS92iGMUaYaqZfD6BgtBiJdDEp
5JEqF9q616S2J8wvkqWiS5kRYXQ3bPQZeaGRLQnbLWNjhXgupV8
5KkbVvfdZgo81Ed5cmaUnSoV9rZUUH5Pme64SvyhFMciRNWw7Br
5JugjZ9dkx2iw4BcwaSGTrsjWBDjSUj8UFBT1EAdfeDwr3qAM1C
5KAqTDTh1MMNUzKYEUzbsraCuqoyoSPXsceuvLNpGuG8KsWS5hT
5KTWLvEt5kUbuncgsDbpiD1wVHpgUt5mwkBf33nzPz8HqYtpWZk
5Jk2kCcR2USW1bz7KrTUdFnQFumeF8r75D2FP4hQox15DjJJHh5
5KDL68EydtbEcaruSzjoF6AgULSc65Xr1nYLMPmjt1y49Jt89Ac
5K7pEPzAy2UCRiqwsvYsC2mmW71L7zVG375d91xVV3JFGKaK95a
5JwhBgLg4Q4ibeQX1WHg7QeSiAMr1g8iDdUmPq7a4rhcqNCHfrS
5KGfoYwfC5bTwq5ikrh2ogSSMF6wAaFrhey4XKBR3oDgjkNfx8U
5J41txQF7LnZfbM8hyjhtWajQURS2cW6MRXJsBFZ31ioRapQXgd
5JTrV63hLLJBYJK6RTJAeeMaAiT8J6ALkZiXipEKqDqML2pnexm
5KBw8geEmZvxQy7QEXCN3HQQ4xQHiRXHPNwxisfXo3DrYTb13o1
5Jkh8RtZfSyibW7Fg9ghvyWFPLpAY9HuJrYM4ZCrPV2xVfFB6sS
5JbNL4aoR47MTi1JHqvaLvmyZLB6inzEu47EyoCq5PKkuVmCtot
5HzZLc7c5fDqdgpeqtt18Cxf8B4eFeGQ75mv41TtvXfjib7TuPy
5J8Pm1bTSP6vKcSCM86eUGjJzwp6mnMDuntnGkdE1ppTuWtScMz
5KV3TmCe8y3HEvTgMw3HKBsFQL6bqy6aNJq2XUp2axwZypGN1d4
5Kj7J6FYUAWFGf99no2yekFsQtE1SoPMTZAd9UzcPxmS9W3M1C9
5KADagUo4C61iiU6zu9CepXVLQ15zr2xbQqEo87eSM3tBhgX8bS
5J1tKVe5U5p7kb9CWzoNTKtvTDfGW6y4JaghwasG4tYpShS7446
5JdxDxp2nnXuwW1MbHEFTtzMJK3b7h8Zr3DuS97C8ygh5mXam1K
5KgcjryBVuU1bZ2ipxo3vc1nT7NfTn4VWxy2rjBzDwGdV9UuM9D
5JoyWcjc4sRvpf7jbGDX24eXjMbbQSSnp5tNtzRbzs2ih8sJe9r
5KEtzcrzEB5S1sMuwxugHhN8nwRkL3rMQ9FNWMRkZ92zhL88bzK
5JE9GXzBjy2Ji3qnpCtfe9jWVHfKDuuDYKFVDaT8AWZfQvwCo1S
5J4PwYT4MuVbgPL5Ghu3mTPHa7975zDmLgyX3xdyx9Wuv3Fp7dB
5HqQU9fwJtkhuka7Y3uV8c31r7J8ArsyBLU56gPiEgMtRuQoQ5y
5KQ16mAE1nhtbisWzKxZKmcJmeob66ExqyyaP84Sj73JiHptd7L
5KK4fARR1vH4su1G9EshGMREXqaKsSjyCATq2xjymkzMuRqsBi8
5K17KnGFxwkj26cSWfpVPWyYcwqy7RD8SJcQB7PXDXt1gfKy5AF
5JXCQxsFutYNWY27PJvLQbBYng7B1rxka2bJnNJfrQcfVMdGo61
5KjURv4rjxXmRNXQNLD8x1AvZgX4HnPd5WwikfrbR2jawDHygTX
5KgpLmHnBnpNoeWD375pKcZGZbubGJkHpbhmLzhJGDoiF9hW18Q
5KQsJWxRkBfV7yVXZcT8omgMQzwXYr2NwrD3ZodZNyvhFzQWjfk
5KSTzQyGc5ekPrvtW1B5w3pVJ93ssP5QRsckpCMtpMsr4o3MWTS
5JyteyL2geGfoXNi1tW9Uwpc2H5XhDuZmUcmetdnuyeJiSycXmu
5J8ZdKTSQbo8r32JnQu334cyUjvJiXuq3Z2UMt5si9HYK8yeWYH
5JEYp28eKpBeqaGHHyf4VsCzbC9q6DFrerjmQewKq5KQx3q3QRE
5KMGY6oNUwS23HbRt9gFGZBZb9jXfEAJhV1UR1xGzuHdkC4BJ6o
5Jj9Du5iZtdePsze1NZG76LMC2ya2P1qMEYMxUtMh9P6wXicy2N
5KdS3ZRkUvGPsS3fmormqpY7nNxhmioXe7hEDdwHHgE2PKgSd43
5Jov1JmwLbedz4HkiqtkM952gqyHf2kjivh8v3qUEDJ2G4KmHda
5JLrkmZYtR779HprB4phTAHLCsLsCCLoC6zFGGiSSJ7SGpvEbcP
5Hyz2Ud7g3DiihuggCWmUYHLcj3XHFqmZdcYPZTHyVB6k7MEjyF
5J13KY5KG2EKW2RZt3Gt8oGc6dutAdZ1vTFjZbzFTcLNvqxxV8J
5JF7SHQfMEFh47PpLapF9K5aD1J1Za8x1VE5MhF1jYah64ZGb4n
5HpHagTD47SzTgAmpFPK1oo2iV93SHaEvrDMkyzrxubAU3ezcmG
5HusZ9HBQochkGzmLDfoNUdvAGv7f1LA6GMWgTHu7fwx9dAgqdL

We didn't include the juiciest ones here, but there are a couple of tx from the end of last year.

And we - on the other hand - are able to insert images  Wink Using the privkeys our list above gives:



We agree that Electrum is the wallet of choice for these matters.

Sooo...... where do we go from here?

First of all, there has to be more people here who are into this kinds of research. Make some noise! Or silently join us Smiley
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May 29, 2018, 05:13:03 PM
 #3

As a company, we obviously hit all aspects of BTC, and we have had a great amount of success with collision.  We run these for our investors and we have a strong set of rules about importing the funds, but we have seen more than 1000 BTC in wallets that we found using private key harvesting, so it is a viable method, although morality is a nice sidebar for the use of these techniques.
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May 29, 2018, 06:14:30 PM
 #4

I found privkey hunting vulnerability when analyzed Bitcoin source code at 2010. I found new ways for vulnerabilities & bug hunting when research my own practical PoW that defends from brutforce & AI attacks. I joined to RSA-576 Factory Challange when nobody knows about crypto future.
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May 29, 2018, 06:32:39 PM
 #5

My fellow crypto hackers. I've been into finding BTC private keys for a little more than a year. I have slightly less than 18k private keys in my own database.
That's interesting. What are the sources of your private keys ? How do you come across them ? What do you do if you find a key with addresses with some notable amount of bitcoins ?

The vast majority of the privkeys I've discovered are NOT from brainwallets (i.e. weak SHA256 hashes). Image search for QR-codes was nice for a while though, but those days are over. I have a couple of other techniques that I'm fairly sure anyone else hasn't thought of.
I know you wouldn't share but makes me a little insecure if you have established 'ways' to discover private keys online.

Anyways.... I was thinking maybe someone here has the same hobby as I do? Care to hook up and share some thoughts and strategies?
Me too.I'm a rookie though.Started collecting private keys just 2 minutes back.

.BitDice.               ▄▄███▄▄
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[/]
robolove
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May 30, 2018, 09:52:27 AM
 #6

My fellow crypto hackers. I've been into finding BTC private keys for a little more than a year. I have slightly less than 18k private keys in my own database.
That's interesting. What are the sources of your private keys ? How do you come across them ? What do you do if you find a key with addresses with some notable amount of bitcoins ?

The vast majority of the privkeys I've discovered are NOT from brainwallets (i.e. weak SHA256 hashes). Image search for QR-codes was nice for a while though, but those days are over. I have a couple of other techniques that I'm fairly sure anyone else hasn't thought of.
I know you wouldn't share but makes me a little insecure if you have established 'ways' to discover private keys online.

Anyways.... I was thinking maybe someone here has the same hobby as I do? Care to hook up and share some thoughts and strategies?
Me too.I'm a rookie though.Started collecting private keys just 2 minutes back.

It's difficult to talk in general terms about my sources of private keys. I'm not sniffing networks or breaking into other peoples' machines. Nothing illegal. It's more math than  networks, if that makes any sense. And I did mention one of my early methods in the first post - searching for images of QR-codes. In 2014, people would post pictures of their paper wallets on Instagram. Don't do that.

I have so far never had access to a private key with a life-changing balance on it. The vast majority have a zero balance (but all have been active on the blockchain and MAY therefore be used again), and say 1-2% have some dust in them. I've never moved funds from any of them. But honestly, if I stumble over a privkey gives me access to say 50 BTC or more, I don't know what I'm gonna do. They say whoever has the privkey owns the coins.... quite a moral dilemma.

I once found a privkey that had held close to 530 BTC only a month earlier. In one way I'm glad the funds had been transferred before I came in. In one way not.

Hoping to connect with others like me. I'm sure you're out there. I'm not entirely sure what we're gonna do Smiley
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May 30, 2018, 02:06:53 PM
 #7

try importing them in for example Electrum
BE CAREFUL! If you accidentally use that wallet later on, someone else can access your funds!

I once found a privkey that had held close to 530 BTC only a month earlier. In one way I'm glad the funds had been transferred before I came in. In one way not.
How did you find that key? Of course, anybody can just post private keys, and I've done that in the past (see here to add a few to your collection). If they're used and you don't care anymore, it's not that special to share it.

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May 30, 2018, 03:29:23 PM
 #8

Yes - BE CAREFUL - never use privkeys found online!

Such as these 100 privkeys I just generated with vanitygen

Code:
5JeytVw1hq6hE5zced4wBY2TVbNpEwHcZGrkeGqJrdCTaEJXZsg
5Jm4tdnKky6gK5osSydiZWBuvWGbtuHBsZfhpmgopTXKRLrfEEw
5KNhJtFqav8XjWRK9VEBThctsJq4V21Ezep1SZfQoiGUCYyjRzd
5JjDSABTLchtT6NFRvwSBxsT4w2KEhhKixFP4JsHAVL5tVbsdwo
5JPwK3V2EqxqLDb2RMhMNeAPksS6xAVbA1wNpcSravHrPVe9dm3
5JWeKSM9iTNWgRjDasp6PJdktbfEAcrLtrQvA6WXS7hGWwExkM1
5KZJRf9fc8LBMhH1oqYXTExSXb9UorrunXAHe99xKz3hYRfVQ1q
5Jf4oAvgHcgvkKRQF9cQ7eBL9eMACyyzEXnpWWfufDkEHYSpJgB
5JzJutUnYq1yaoQC8npnj2k5qLQvzvhZ9CE2HtyZdGaZGojDJgJ
5KDnWdGGMJeaSWgLH18Un9dXat475pzTrtQTWmAnYGMiLFzxoZ8
5JsLSmdLBEQuFgsVzC9UyFh1MWUSpVcAc2GQbXaUFhLi9dMekg5
5JBAWEPbkQn9YRwXA8FyhE4nkwMGRBEyi2aPEyDnV14TNMSXn5z
5Hvor55FMYvx7ZBkEZ7R1Uv3YGKA4BU2VpbX3wY6zrFKRVVpQKv
5Ht4NaBjoMgdfxWX82urvwv4pzeuuJSHCycBRK6SdPXq13kioUe
5KEYmhsHxZtbR1uaD2KwCJ13NRrCA5CUVmUva8jGFpHPSmuenVT
5KNkteUtW15h5YjdkNh2dHQCKCVUpm6vyBaMaf9EHpvQ8GtyhoG
5JQCMK5QD8Y5JNcmvV4DLiMQJUvmXxGPuYYu4iEvgtU2xezNr6o
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5K1cY5F3MKaPS9PNKU1VzfYs9ykw7dMQ1xfoz3CGXMjAsEL2rzj
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5JavkrN4vBXJiegLZiz919sYqHSFU5b99JEQXaZtfxybYmr8fDJ
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5JF98c82DxGpXnRQz8aRTXdarTc8ANSCYZYkupjVi5mKrrvnmqc
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5J1EpaFhg9STRRCNGeTPEqVAkgEpBEpnDvL4yjKCLZmUrL6koGA
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5J2Ds2ZVv6rdXjyLHAgzodUnMs2aR61gy3tg5iAaBdqRZZTvx86
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5JwU6zMzB2HJmhVuxLasNY7a5AVQRqthGWZRi3FPEbsdnFL77nA
5JsnDp3iwAj5SMRQW2R6rGXo65fkgZfW5CJxCtUJ1k16fjTWPsR
5Jt8T2wmk4kbjHqcpx8us2Hmt389Kc3STJ3ACo7mzEGobhZVKjz
5KR9M8nrq9QLormw6oDcBGbi8Wz3vUxpUWYPK9rXicfM2izUGr5
5JGvsAegX2QAPKFd1xvFF6Ecdiv9NoBEfjPczaFhbJfnGUJBbdw
5JGZUqod4VwSNKPG377NpgRMhak2hCDkfZT9G7orSh2i8uA8JWB
5JoLfoyppR5r2NWkHhNkUc9j1rMSA5rJPBqHMiakzgnX3dDQnNi
5JgJym1FdjQ5qfqB5BtuXT8kidPtQkMyAmqJJ6Qz53mdcUjz6K6
5J9MYgcVbJcByphAXK8W3GySnX8caN7VvBupkbVpmepUXHngVP7
5JVpauRhmAxKTbtgvNWtfdD17KZNLL4SeaAcP9Aev4nd8K6x9mU
5JPt7hu7wZLAyuehtTJz7CuKq5EMpJeLMtQMrAPDncq9EQ7Y24D
5JtCC7G6mbu3Vr6rHmm7xd3J9paA6XeB193UVP6p4Rj7xjhPKE6
5HxVv7SoELLXKVvv9KoQK3fWCLqMeCtt5kYNsBVc7iD7pwCuwmm
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5K4936kXj9H1fFpNTZNskWZNnU2qRb44SSh6AzuUz3KYaAnJ6k3
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5JT5eNJLKDVWgGpaDZvjgDogLMHQAHoqtkQy5LbR4rcV7CD9wQ1
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5JjcjZM2gaPnuemWpdQnwgfDwSzENLQGScgsEjsP7z9jvwfjg4B
5JQuh6ShRkwGQtbAfzGEFSEZB1LDQrR35Lb71vjTuRu5sUNJjKG
5JVv4pZqBJvEbXqLEeoDb4MVsXZPMgs4G1wURzJdAKxbx6BCTCb
5JYuJVeP965cLCocC8znYFafGWdeEx5Tae2Ry7HmXJSp4qrjF2y
5K72pjfqkU5DJfniG8PKWYLgHTBcNFjHUCvNgUitbRABvoNpcFy

Even though none of them have been used - ever, chances are very high you will be robbed instantly, just because I posted them here.
MikaelBlomvist
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May 31, 2018, 01:29:44 AM
 #9

Nice thread, I'm a treasure hunter myself Smiley And yes, like everyone here i know is 100x time more possible i end up fucking scarlett johansson than actually finding anything by bruteforcing.

I have however, found some keys with balance using unconventional methods. Thats the key (no pun) to find private keys. Methods come and go (Bruteforced brainwallets for example). Lots of other methods are dead and so will be a lot more in the future, just a matter of innovating!

Right now i thought, for fun, to develop a script to do old school bruteforcing, shooting in the dark without any specific order, just to see what pops up.

I began by running directory.io clone on a vps, modifying it a bit to display keys so a python script can pick them up and compare it with around 2m known addresses with funds. This beta version is doing around 6000 kps (keys per second) so its quite trashy at the moment, as it does around 500m keys per day

Currently modifying it to:
use 100% cpu, its using barely 30% atm. Multiprocessing, etc.
Convert the golang script to python so it can generate/check on the fly instead of retrieving an html page with the keys
Once this is done, modify the script to become a sort of botnet/pool that can check and upload to a server once it opens in a computer.

The funniest thing is that even that way, i wont find anything Grin!!!
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May 31, 2018, 04:31:17 AM
 #10

I found privkey hunting vulnerability when analyzed Bitcoin source code at 2010. I found new ways for vulnerabilities & bug hunting when research my own practical PoW that defends from brutforce & AI attacks. I joined to RSA-576 Factory Challange when nobody knows about crypto future.


How to learn this brute forcing method?
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May 31, 2018, 06:52:51 PM
 #11

Forgot to mention one of my earliest methods. Worked until 2013 or so. Google:

Code:
site:dropbox.com "wallet.dat"

Found more than 10 wallets with a positive balance without any password protection. Not entirely sure how or why you come up with the idea to put your wallet.dat in your public Dropbox folder. Those were the days...
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May 31, 2018, 07:03:03 PM
 #12

Nice thread, I'm a treasure hunter myself Smiley And yes, like everyone here i know is 100x time more possible i end up fucking scarlett johansson than actually finding anything by bruteforcing.

I have however, found some keys with balance using unconventional methods. Thats the key (no pun) to find private keys. Methods come and go (Bruteforced brainwallets for example). Lots of other methods are dead and so will be a lot more in the future, just a matter of innovating!

Right now i thought, for fun, to develop a script to do old school bruteforcing, shooting in the dark without any specific order, just to see what pops up.

I began by running directory.io clone on a vps, modifying it a bit to display keys so a python script can pick them up and compare it with around 2m known addresses with funds. This beta version is doing around 6000 kps (keys per second) so its quite trashy at the moment, as it does around 500m keys per day

Currently modifying it to:
use 100% cpu, its using barely 30% atm. Multiprocessing, etc.
Convert the golang script to python so it can generate/check on the fly instead of retrieving an html page with the keys
Once this is done, modify the script to become a sort of botnet/pool that can check and upload to a server once it opens in a computer.

The funniest thing is that even that way, i wont find anything Grin!!!


I then guess you are aware of the Large Bitcoin collider. At the time of writing, running at 673.11 Mkeys/s. They've found a few collisions. The odds are not in your favor, diplomatically.

Pure bruteforcing is a dead end.

Think of ways that significantly reduce entropy is my tip. There are a number of ways. People have posted a few, and I have come up with one or two methods myself. Overall however, mining is still much more profitable than going after dust* bruteforce-stylee.

* Yeah, MOST addresses with a positive balance on the blockchain contain dust, hardly worth the effort.
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May 31, 2018, 07:21:05 PM
 #13

Did any of you try to access wallets by guessing the seed? I think it might be easier to create a program that randomly checks various seed combinations than trying to find a private key with a positive balance. As time goes by there will be so many seed combinations that a modified password guesser linked to a dictionary might do the job. And this time if you'll able to find something it might not be a single address but a bunch of them. You might even get lucky and get into a wallet owned by a treasure hunter like yourself Wink

robolove
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May 31, 2018, 07:40:03 PM
 #14

Did any of you try to access wallets by guessing the seed? I think it might be easier to create a program that randomly checks various seed combinations than trying to find a private key with a positive balance. As time goes by there will be so many seed combinations that a modified password guesser linked to a dictionary might do the job. And this time if you'll able to find something it might not be a single address but a bunch of them. You might even get lucky and get into a wallet owned by a treasure hunter like yourself Wink

Electrum has a dictionary size of 1626 words and uses 12 of them randomly, producing 1626^12 possible combinations, which is close to 10^38 combinations. Good luck finding a collision. It will take quite a while. Example:

If somehow could test 1 billion combinations per second (arbitrary number I just came up with), we need 10^(38-9) = 10^29 seconds to try them all. That is approximately 3.17*10^27 years.

The universe has existed for about 13.8*10^9 years.

You see where this is going... right?
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May 31, 2018, 08:17:09 PM
 #15

I then guess you are aware of the Large Bitcoin collider. At the time of writing, running at 673.11 Mkeys/s. They've found a few collisions.
No, they haven't found a collision, and they never will find one.
To prove a collision,k you need to show two different private keys that create the same address.

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June 01, 2018, 06:46:20 AM
 #16

Why are people still doing this, if the probability of finding a private key that is used, is almost zero? Just look at the numbers involved with this in the following thread : https://bitcointalk.org/index.php?topic=104461.0

There are exactly 2^160 possible addresses and 2^96 private keys and there are only 2^63 grains of sand on all of the beaches of the Earth.

The odds in definitely not in your favour.  Wink

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June 01, 2018, 07:28:59 AM
 #17

Why are people still doing this, if the probability of finding a private key that is used, is almost zero?
-snip-
Yup, by brute-forcing the key, the chance to hit a collision is close to 0.0000000000000000000000000000001%. Wait,

No, what they talking about (in this thread) are those neglectfully stored wallet.dat files, private key backups, paper wallet images or other forms of backups which potentially have funds.
History can tell that some people are stupid enough to store those (not only wallets but passwords and sensitive info too) directly in the internet without "hiding" the files with a disguised file name, file type, etc.

This one for example:
Found more than 10 wallets with a positive balance without any password protection. Not entirely sure how or why you come up with the idea to put your wallet.dat in your public Dropbox folder. Those were the days...

@OP, this isn't "hacking" and... use this to display the image (the link must be the image's direct link that ends with ".png/.gif/.jpg"):
Code:
[img alt=img height=420]https://i.imgur.com/PrBSxN8.png[/img]

(っ◕‿◕)っ Newbies and Newbies at heart! Remember to Lock your Thread(s) after receiving enough replies/sufficient answers. 
FEELING GENEROUS?: 39EKeFj43inkH6Ctkosh9E7oskx3tvhSXi ∙ Do not buy non-mainstream ASICs at second-batch and onwards, you know the risk!
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June 01, 2018, 11:45:43 AM
 #18

Did any of you try to access wallets by guessing the seed? I think it might be easier to create a program that randomly checks various seed combinations than trying to find a private key with a positive balance. As time goes by there will be so many seed combinations that a modified password guesser linked to a dictionary might do the job. And this time if you'll able to find something it might not be a single address but a bunch of them. You might even get lucky and get into a wallet owned by a treasure hunter like yourself Wink

Electrum has a dictionary size of 1626 words and uses 12 of them randomly, producing 1626^12 possible combinations, which is close to 10^38 combinations. Good luck finding a collision. It will take quite a while. Example:

If somehow could test 1 billion combinations per second (arbitrary number I just came up with), we need 10^(38-9) = 10^29 seconds to try them all. That is approximately 3.17*10^27 years.

The universe has existed for about 13.8*10^9 years.

You see where this is going... right?

Of course, but it's the same when you're trying to bruteforce a private key. The combinations are endless, but that's not what this is all about. Nobody is trying to test all possible combinations, but find a couple that are in use and give access to active wallets. There's a quite high possibility that if you'll start picking 12 random words out of those 1626 and start messing with them in different combinations you will get a single hit. Isn't that what those "treasure hunters" are hoping for?
Why did I ask about the seeds? Because finding a single one can lead to unlocking a wallet with multiple private keys instead of a single one which the collision dudes are trying to find.

No, what they talking about (in this thread) are those neglectfully stored wallet.dat files, private key backups, paper wallet images or other forms of backups which potentially have funds.
History can tell that some people are stupid enough to store those (not only wallets but passwords and sensitive info too) directly in the internet without "hiding" the files with a disguised file name, file type, etc.

Just recently there was a case of a guy being robbed of his coins because he was storing his passwords in a gmail account and had a backup email connected with it. The backup got hacked and through it they managed to gain the password to his main account.

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June 02, 2018, 05:32:25 PM
 #19

Nice thread, I'm a treasure hunter myself Smiley And yes, like everyone here i know is 100x time more possible i end up fucking scarlett johansson than actually finding anything by bruteforcing.

I have however, found some keys with balance using unconventional methods. Thats the key (no pun) to find private keys. Methods come and go (Bruteforced brainwallets for example). Lots of other methods are dead and so will be a lot more in the future, just a matter of innovating!

Right now i thought, for fun, to develop a script to do old school bruteforcing, shooting in the dark without any specific order, just to see what pops up.

I began by running directory.io clone on a vps, modifying it a bit to display keys so a python script can pick them up and compare it with around 2m known addresses with funds. This beta version is doing around 6000 kps (keys per second) so its quite trashy at the moment, as it does around 500m keys per day

Currently modifying it to:
use 100% cpu, its using barely 30% atm. Multiprocessing, etc.
Convert the golang script to python so it can generate/check on the fly instead of retrieving an html page with the keys
Once this is done, modify the script to become a sort of botnet/pool that can check and upload to a server once it opens in a computer.

The funniest thing is that even that way, i wont find anything Grin!!!


I then guess you are aware of the Large Bitcoin collider. At the time of writing, running at 673.11 Mkeys/s. They've found a few collisions. The odds are not in your favor, diplomatically.

Pure bruteforcing is a dead end.

Think of ways that significantly reduce entropy is my tip. There are a number of ways. People have posted a few, and I have come up with one or two methods myself. Overall however, mining is still much more profitable than going after dust* bruteforce-stylee.

* Yeah, MOST addresses with a positive balance on the blockchain contain dust, hardly worth the effort.

I managed to scale it to 1Mk/s with some tweaks on a few spare vps's I have, they aren't doing anything so is not like im investing on it or anything, it was a fun project to make though. I'm aware of the LBC, i ran it for a few minutes but preferred to make my stuff instead ;P

But of course, its better to find human-fault keys. I have had luck with ETH keys too Smiley
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June 02, 2018, 08:39:18 PM
 #20

My fellow crypto hackers. I've been into finding BTC private keys for a little more than a year. I have slightly less than 18k private keys in my own database.

As some sort of proof, here are 50 privkeys - try importing them in for example Electrum

Code:
L3wtCheT3Tvchz6WxsQgVmYopxDKBMxXKC1UpLnVJzEFi34maKLx
KzGk41jwqyoqJN3Rsbv2jDUKQBWYfMLnAke3F89U5oWwf3cauWP3
KxyHuRb7SaTkj36ynts6S58EtFYWDkwcLc3E5WpSdJkcVwgyFgaS
5KkjcrNnP1avWB5g2PimyreVdX5FN8e91UsyerK7z5pGcf6WCYD
5KknpBbehjZ4DRBStfMyd68VNP63rtFHusYaNuDqaE78N948ALf
5KkkZ48EaBs5gmY7W8pAb1cu1KHXVPH4xujT6vmyuYR4WyZ4tmn
5KkmcE7NJTSF9As6we7upSkX9dFxBq9eZNXvfNtyyaKmSbG9hUz
KyEq2YmegzAtz4ADyVowX3fqpvXUinPuTjSknsp218U2zY1Qmi5G
KyfaCbfHkzToiBpawkT1ik3TjQjFfaztgyDyzRHmgGEyz7dTArU4
L4G94NBReR1ZwRkdMSLP41nKXiooLxF9u6YVGp1uPe1eDVeN7qB4
5KkmYchw1wBKCzdY7G7tc5WF6WY5PkCmZxHXi9kYfHfyEWqY1gp
L3uSFVXSUretVNDccCBDPjLSSneCcXaeZPTfe9FS9s3SKAYfdeL6
5Kkjh1TrXpfPQGiEMcptaGBLf8h1KUbtn3n86dmqUoVqPfEfb1P
5KknEJnLyFiGgbUE6ciiGHMQez7o1zW4hMo4VZLpkdSsowuUgPQ
5KkhJ2is3EW8H56n6AvgqT1kWqWh6YhM4KM7ttfjdzrw1qJRyju
KyKQRUE38VFV6iVuX4yJ7GCGrRiquhTSoV3BLmLvCqF6RPXan67Q
5KkkCDvzfsxwTF4NQWsPNdd5ZkcgcGviZWevvQqfYp3ex45VypG
5Kko7c8fGKVSChc8PWJnzEFxXwVTvWJHZVUg8nyGmy3U9DXRMPp
L49HFoB1iFEvzXQn1agpggYGENHTW3khEL4rRArYrcWQcm1iXw4n
L4bSP2b1tBvwnuMrDoZm4vziWhrbzwBtwrsVwmPJqTDUWxCXJH6q
KyAFnDsPNN7DypKeS1wsT6Qzx9A3qGd53uWNeCuvCDjumYEPkoPj
5KkgzEYsJbifwJuqxTPSgkUGstYwX5HKPFucrM776qCwoMdwt59
5KkjenRdxoneEU8Mi8QvRFNuA6jPuiV7Wn9mVobsJiRB2uDXYsN
5Kkg2t2deWnTZrrSRG9jSByMDFKBxQvtYmPd5mycR6DFZHtiQjY
L4XnHhvLC1b4ag9L2PM9kRicQxUoYT1Q36PQ21YtLNkrAdWZNos6
KzK4uyoSm7Bdf3p91P4zVhS4cM4Pq87oCegWf4DcPrqiUDsLfDDt
KyhAKoDY9bfS8ckz2GapefFZfCKMgYTTb1FV2uH3LW2UjvY4xQTM
L3iDb3whFacS3pXFtcJfFLrxpBdJPHL5hUezgMAyYhPzEQhixgKN
5KkgNphSWbFy1r4Eobq1Pbb8kcG1geUpasi597T317HGhP8pYBe
Ky593tmxMTKEs9RjWvZ7bPMNa86wpsxm6di3X48kj4qpPaAj1ygs
5Kkk3dG43gJGHm4SaFC4qRGF7MYG4ShZZ8ESDSiKti1nu71v6Z5
5KkmVdDfTg2QnsMPcyqzbLLX7bZJx4nJATRyLJ9WXy6zDvYwaTR
5KkhGSzfoEaaYdKKeJuq3A7tmPzQdGYxZT2rm71XCAezxn8j6cT
5KkhgqewuqUTXSXZK4oTDi6rg4MHLssE5bh14oZH9NDRrwVdRvJ
KyUYJCbdvkdqWv7csuNHKWsGDcCi5YVXFaP2kfXtDpDNhykCuF6h
5KkmnJwzHL3kTWd8SAkssLmB2yRgUyYoA8X6jn73yfRxHVJYsru
5Kki22dZ3p9mLHvamV9mozC6ypUpq9ZSBa977eaYnec4EdkTLae
5KkhmdqyvaQwuhQ1cfQJCm1xfW4NXV6iDVRuRmVhXMPzGoMEm2s
5KkgASK9mPUrLAogFXZ9cMkxdkP1LNPEoFDVY2FfT64wBQs3fox
Kxk1JRsf6x1aUzN4Gff8ByFX3Jn7XP4NknGZoV6ovaEEVVJF5txf
L4QXUpcMgLC3NxrHgA9EpwAd5pRAkJfh2TvhYATXTW9fgnJuCWRn
Kxntb6r9WjUSJvajfKPWDrJvMVake5J4hBwEd5c4iGepHTbwqi8r
Kxx7AQStazNq2bhBb9nMpfZCKcdvrmKaEtUFskzcmAtVU94Y1jj4
KzedceVxZmamK3KwjpHisZkL7FWUmZnBMZQJTzAWzwbE7zwquaMd
L4rK1yDtCWekvXuE6oXD9jCYfFNV2cWRpVuPLBcCU2z8TrisoyY1
5Kkg7F7nvwy8uKtQsaKZWr9FGPMnM4Vs9nf7LuBXRdxUGZyMAtm
5KkizbG8giTgVgMgS9t1XMHNnxoUEEa2WkB8e1EoArYsqUoGDku
5KkjX2EQbKW1kJk9tRvgvbKcWxjhSicy2DUirQZSzTJ4M9Vd3UD
5KkhNgCMwzjEF7sCWXfKx7v7DHtthU3Jk6jmHHx5AaFnErA3Dzp
5KkmMUpsjKB3gKWzvDA1gsbDFsLFE5Z9H3JRsNSdVSsNFeyJU8D

...and you will get something like (sorry, seems like I don't have the required rank to embed images):

https://imgur.com/a/NwN6ZWA

The vast majority of the privkeys I've discovered are NOT from brainwallets (i.e. weak SHA256 hashes). Image search for QR-codes was nice for a while though, but those days are over. I have a couple of other techniques that I'm fairly sure anyone else hasn't thought of.

Every privkey in my database corresponds to a BTC address with at least two transactions on the blockchain. I throw away all "empty" privkeys.

I have a large Bitcoin Core wallet containing all my discovered privkeys. Five smaller transactions happened within the past week.

Anyways.... I was thinking maybe someone here has the same hobby as I do? Care to hook up and share some thoughts and strategies?

update your electrum !, its outdated

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