Tag: Bitcoin

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Bitcoin

Paranoid questions about creating addresses

Hacker using computer, smartphone and coding to steal password and private data remotely from car

I want to create hundreds of addresses, but because I’m a little paranoid I don’t know how I will do it safely.Continue readingParanoid questions about creating addresses

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Bitcoin

Solving WIF in a ‘hybrid’ mode

binary numbers on computer screen matrix background

I would like to share with you one thing I found recently.Continue readingSolving WIF in a ‘hybrid’ mode

Categories
Bitcoin

Why does Bitcoin keep using SHA256 in its POW?

Top view close-up photo of a gold bitcoins in a pile. Virtual money or blockchain cryptocurrency.

This is a question I’ve had for some time. It has to do with the hashing algorithm of Bitcoin.Continue readingWhy does Bitcoin keep using SHA256 in its POW?

Categories
Tutorials

Offline signing your paper wallet using air gapped phone via Electrum

Bitcoin coins sticking out of a wallet. Cryptocurrency. Digital wallet and money.

Paper wallets if done right are one of the most secure ways of storing bitcoin especially if done on an air gapped computer.Continue readingOffline signing your paper wallet using air gapped phone via Electrum

Categories
Cryptography

Bitcoind does not like ECDSA (r, s) pair produced by OpenSSL

Cyber attack with unrecognizable hooded hacker using virtual reality, digital glitch effect.

I am writing transactions manually and have stumbled across a rather bizarre situation.Continue readingBitcoind does not like ECDSA (r, s) pair produced by OpenSSL