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How import a bitcoin address private key into breadwallet (iOS) with a QR code using bitcoin-core for Ubuntu / Linux

On encoding private keys from Bitcoin-core as QR codes for use in paper wallets, other wallet software, etc … Note: Breadwallet will not import the private key upon scanning the qr code. It will offer to transfer the funds in

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Posted in Bitcoin, bitcoin-core, btc, computing, programming, scamcoins, Stuff

How random is /dev/random? Visualizing the output of /dev/random using hexdump, dd, and python

I wrote a python script that will plot the output of /dev/random in a few ways so you can see just how random it is. Make a line plot: Make a histogram:   Options: Do be careful when using the

Posted in Stuff

Boot Linux from a USB flash drive on a Macbook

Originally posted on AstroFloyd's blog:
In order to install Linux on the replacement of a crashed hard-disc drive in a 2006 Macbook Core duo, I wanted to boot Linux from a USB flash drive in order to then install…

Posted in Stuff

Do copies of Hamlet exist embedded in the digits of pi?

I know Vi Hart discussed it, but she may have not been the first to entertain the idea. Not sure. The question is do they digits of pi contain copies of hamlet? Yes, yes they do. Not just copies of

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Posted in computing, Electronics and Engineering, Physics and Mathematics, Stuff

Calculations of the EFG tensor in DTN using the GIPAW method with CASTEP and Quantum Espresso software

One important difference between NQR and NMR is that for NQR, the transition frequency is site specific and cannot be chosen by the experimenter. In NMR studies, the excitation frequency of the nucleus is just the gyromagnetic ratio times the

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Meeting – October 8, 2014 | Hashes

Originally posted on University of Florida Student Infosec Team:
Hi SITers! This week’s presentation will introduce the science behind hashes such as SHA2/MD5 and how they are commonly used on Linux systems. Additionally, this presentation will introduce the hashmap datastructure…

Posted in Stuff

Brace yourself… cool-old-term is coming!

Originally posted on Swordfish's Labs:
Since when I played Fallout III for the first time I have always wanted my terminal to look like those old jittery CRT screens that you loved in the game. Sadly there was nothing…

Posted in Stuff

The cost of artificially pumping a low volume altcoin: pumping the alt markets by yourself with the BTC/LTC “pump machine” strategy

For this article we regard ALL prices in crypto-crypto units, and unless otherwise noted, denominated in units of BTC. Therefore bitcoin costs 1, LTC (today) costs ~.009 BTC/LTC, etc… I have noticed there is a way to burn bitcoin in order

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Posted in Bitcoin, Electronics and Engineering, Physics and Mathematics, Stuff

It may be time to buy some LTC again. Here’s why. The golden rules for altcoin trading.

This blog post is a glorified (with some images and minor changes) copy pasta of my post on /r/cryptomarkets. LTC – how low can it go? It might be time to take a shot with LTC for a potential bitcoin

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Posted in Bitcoin, Electronics and Engineering, Physics and Mathematics, Stuff

Sexism in computer science? We will find out.

Please take this short poll: Which do you prefer? A) while loops B) baking cookies

Posted in Stuff
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