Ìbéèrè àti Ìdáhùn Ìmọ̀ Ìṣòwò Crypto, Àpò àti Blockchain
Ìbéèrè àti ìdáhùn tí ó wọ́pọ̀ tí ó bo ìṣòwò cryptocurrency, àwọn àpò àti ìmọ̀ blockchain, pẹ̀lú àwọn àlàyé àti àkóónú ìdáhùn tí ó ní í ṣe.
- 01
Ṣé àwọn ẹwẹ̀n ìṣòwò 26 tí a kò tíì fọwọ́sí ni wallet nínú Bitcoin Core 31.0 kò gbà láyè?
O lè ní ẹ̀wọ̀n tí ó gùn ju àwọn ìṣòwò 25 tí a kò tíì fìdí rẹ̀ mú nínú mempool, ṣùgbọ́n àpò owó ṣì ń fi ààlà ẹ̀wọ̀n ìṣòwò 25 múlẹ̀. Láti ṣe bitcoind -help-debug: ... -limitdescenda...
Ìmọ̀-ẹ̀rọ - 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...
Ààbò àti ewu - 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...
Ààbò àti ewu - 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...
Ààbò àti ewu - 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...
Ààbò àti ewu - 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...
Ààbò àti ewu - 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...
Ààbò àti ewu