Tags » Private-key

Bitcoin's soft and vulnerable underbelly

How can you lose playing the cryptocurrency investment game? Let us count the ways.

Yes it’s obvious, or should be, that simply investing in Bitcoin or its hundreds of crypto colleagues can be a wild ride. 870 more words

Security Threats

Private key

What is A Private key? 

Well, a private key is just a very long string of numbers and letters that acts as the password to your Bitcoin wallet. 354 more words

Hardware Key

Adobe security team posts public key - together with private key

Finnish security researcher Juho Nurminen is a bit of a retweet celebrity right now, for all the wrong reasons.

Not his wrong reasons, but the wrong reasons of Adobe’s Product Security Incident Response Team (PSIRT). 591 more words

Cryptography

private keys, certificate, certificate agent list, root certificate: how to generate whole chain using opensll

What are those?

Private keys, certificate, certificate agents and root certificate enable security between client server communication.  At a typical handshake phase of ssl / tls session, the server provides certificate and corresponding certificate agent list to the client. 785 more words

Certificate

PicoCTF 2017 – Keyz

Another day, another challenge…

In today’s blog post we’re going to solve the “Keyz” challenge in the PicoCTF.

Let’s get started.

Going to the challenge we see the following: 146 more words

Bitcoin Stolen on Live TV

On December 20, 2013 Bloomberg reporter Matt Miller was hosting “12 Days of Bitcoin” when he showed his bitcoin paper wallet on Live TV.

Little did he realize that he just showed the QR code on the paper wallet for his private bitcoin address (not the public address!) and a guy who was watching the show scanned the code quickly and instantly was $20 richer. 84 more words

Bitcoin

Wannakey_

Усе відносно – слабка реалізація механізмів шифрування ставить під загрозу захист інформації,
а правильне застосування криптографічних функцій дозволяє зловмисникам заробляти на Ransomware.

Через недолік реалізації криптографічних функцій в ОС Widnows XP досліднику Adrien Guinet… 15 more words

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