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Questions tagged [security-key]

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3 votes
1 answer
147 views

Is there still a digital signature loophole in Bitcoin transactions?

I want to ask a question: Does the problem of repeating the value r still persist today in Bitcoin transactions? If so, how can I find transactions that contain this thing? I have research on how to ...
hisham yem's user avatar
0 votes
1 answer
103 views

Are Satoshi's satoshis less secure than they should be?

So, Satoshi mined a bunch of BTC early on (but not in a "pre-mine" way), and has not moved them ever since. Doesn't that mean that his coins thus uses the very earliest "format", ...
Joevan T.'s user avatar
0 votes
1 answer
73 views

Can you help me see if I have an old Bitcoin account? [closed]

I set up an crypto account & had different coins in it, but the computer died, updated to a current machine. Have also changed from AOL to Gmail, that was around 98 or 99, if that gives you any ...
Lonnie's user avatar
  • 1
6 votes
2 answers
2k views

Breaking Bitcoin Private Key

Suppose my private key is properly generated. My public key is known to everybody. I don't care about privacy. How many times can I reuse my bitcoin address until someone has enough information from ...
Cisco Mmu's user avatar
  • 335
0 votes
1 answer
453 views

Number of Trials Required For Brute Force Attack To Have x% Of Success?

I'm making an informational video about how unlikely it is for an attacker to successfully brute force a specific bitcoin address. Obviously, it will deal with impossibly huge numbers ("not in earth's ...
pgSystemTester's user avatar
2 votes
2 answers
709 views

Is It Possible to Prove Ownership of Public Key Hash without Public Key?

I am building a system where I would like the user to specify a public key hash of a wallet that they have control over in the event of tips, refunds, and/or otherwise needing to send value back to ...
Mike-E's user avatar
  • 123
2 votes
2 answers
2k views

how to generate SECRET_KEY prefix? [closed]

base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,176); I need prefix L , but i cannot find how do this, please do not post link to prefix list bitcoin , it's only for address ...
tseries's user avatar
  • 205
0 votes
1 answer
81 views

Does RevokeSSL Require Self-Signed Certs to Work?

// , I don't want to go to https://bankofamerica.com and see it self-certified. I don't want to go to https://amazon.com and see it self-certified. I don't mind going to https://patriotact....
Nathan Basanese's user avatar
1 vote
1 answer
151 views

How much would you need to remember to store bitcoins in your head?

Suppose I had a gigantic sum of bitcoins and wanted to store them in my brain's memory instead of any physical form. How much data would I need to be able to remember? I understand I'd have to ...
d33tah's user avatar
  • 163
5 votes
2 answers
2k views

How do I reconfigure a Mt. Gox Yubikey?

After following the instructions here, which suggested I use ykpers or the gui version, I discovered the Mt. Gox Yubikey is protected by a "configuration protection access code." From the manual: ...
Geremia's user avatar
  • 4,704
5 votes
2 answers
29k views

How to restore a ripple wallet, having the security key? [closed]

If I try to login to ripple.com I get this message Fetching wallet... Payward Wallet not found (Username / Password is wrong) Local browser Wallet not found (Username / Password is wrong) It might ...
o0'.'s user avatar
  • 5,230