Cryptanalysis

The very first serious vulnerability in Blockchain and how to get the public key Bitcoin ECDSA RSZ value from the RawTX file

In this article, we will talk about extracting signature values  ECDSA R, S, Z ​​from the Bitcoin blockchain, but first, let's remember the very first serious vulnerability in the blockchain transaction that was discovered by  Niels Schneider  ( Nils Schneider aka  tcatm  ) Bitcoin developer and owner  of "BitcoinWatch"  &  "BitcoinCharts". 4.1 History of dangerous random attacks on Bitcoin Document  [PDF]: Private Key Recovery Combination Attacks: On Extreme Fragility of Popular…

The biggest hack in the history of Bitcoin

Bitcoin Wallet Silk Road this is probably the largest hack in the history of Bitcoin, since the balance of coins was 69,369  BTC  in terms of dollars, the amount exceeded more than  $1 billion . This notorious bitcoin wallet  1HQ3Go3ggs8pFnXuHVHRytPCq5fGG8Hbhx  was tied to a darknet marketplace that was closed in 2013 and its creator, Ross Ulbricht. In 2019, an encrypted wallet.dat file was…