क्रिप्टो ट्रेडिंग, वॉलेट और ब्लॉकचेन ज्ञान प्रश्नोत्तर
क्रिप्टोकरेंसी ट्रेडिंग, वॉलेट और ब्लॉकचेन ज्ञान को कवर करने वाले सामान्य प्रश्नोत्तर, संबंधित स्पष्टीकरण और उत्तर सामग्री सहित।
- 01
क्या बिटकॉइन कोर 31.0 में वॉलेट द्वारा 26 अपुष्ट लेनदेन की श्रृंखलाएँ प्रतिबंधित हैं?
आपके पास mempool में 25 से अधिक अपुष्ट लेन-देन की श्रृंखला हो सकती है, लेकिन वॉलेट अभी भी 25 लेन-देन श्रृंखला सीमा लागू करता है। bitcoind -help-debug चलाने पर: ... -limitdescendan...
प्रौद्योगिकी - 02
What does it mean that the security of Bitcoin public keys and 256-bit ECDSA is 128 bits?
What does it mean that the security of 256-bit ECDSA, and therefore Bitcoin keys, is 128 bits? I mean, if I have approximately 2^256 possible points on the elliptic curve (thus pos...
सुरक्षा और जोखिम - 03
Receiving donation on a bitcoin address and security issues of reusing the same address
For a blog that only receives occasional small amounts you probably shouldn't worry too much about it. However, if you plan to scale up, here are some things to consider: One issu...
सुरक्षा और जोखिम - 04
How can vulnerabilites in bitcoin be responsibly reported?
Information on current (ie, not past/public/resolved) security issues should be sent to the private [email protected] mailing list. The SourceForge list is now...
सुरक्षा और जोखिम - 05
Is 24 words seed safer than 12 words in terms of bruteforcing the private key
Regardless of whether you have a passphrase or not 12 words is just as secure as 24 words because the resulting public key will still require 2^128 iterations to compute its privat...
सुरक्षा और जोखिम - 06
Brassard-Høyer-Tapp (BHT) Algorithm and Bitcoin (BIP360)
Grover's is related and some considerations were discussed here on Stackexchange, too. We could design a black box function to break both P2PKH and P2SH (and P2WSH, etc.) addresse...
सुरक्षा और जोखिम - 07
How do you derive the private key from two signatures that share the same k value?
ECDSA signatures are pairs (r,s) where r=(k*G).x mod n, and s = (m + r*x)/k mod n, where x is the secret key, k is the random nonce, and m is the message. If you have two s values...
सुरक्षा और जोखिम