harding

A description of known problems in Satoshi Nakamoto's paper, "Bitcoin: A Peer-to-Peer Electronic Cash System", as well as notes on terminology changes and how Bitcoin's implementation differs from that described in the paper.

Abstract

The longest chain not only serves as proof of the sequence of events witnessed, but proof that it came from the largest pool of CPU power.

ishu3101

#!/usr/bin/env node

var args = process.argv.slice(2);
var input = args[0];

var isTTY = process.stdin.isTTY;
var stdin = process.stdin;
var stdout = process.stdout;

// If no STDIN and no arguments, display usage message

TOMOAKI12345

skeggse

var crypto = require('crypto');

// larger numbers mean better security, less
var config = {
  // size of the generated hash
  hashBytes: 32,
  // larger salt means hashed passwords are more resistant to rainbow table, but
  // you get diminishing returns pretty fast
  saltBytes: 16,
  // more iterations means an attacker has to take longer to brute force an

grugq

Operational PGP

This is a guide on how to email securely.

There are many guides on how to install and use PGP to encrypt email. This is not one of them. This is a guide on secure communication using email with PGP encryption. If you are not familiar with PGP, please read another guide first. If you are comfortable using PGP to encrypt and decrypt emails, this guide will raise your security to the next level.

kristopherjohnson

#!/usr/bin/env node

// Reads JSON from stdin and writes equivalent
// nicely-formatted JSON to stdout.

var stdin = process.stdin,
    stdout = process.stdout,
    inputChunks = [];

stdin.resume();

tblobaum

var Redis = require('redis-stream')
  , client = new Redis(6379, 'localhost', process.argv[2] || 0)
  , stream = client.stream()

var keys = client.stream('keys')

process.stdin
  .pipe(Redis.es.split())
  .pipe(keys)
  .pipe(Redis.es.mapSync(function (key) { 

trey

Creating a Happy Git Environment on OS X

Step 1: Install Git

brew install git bash-completion

Configure things:

git config --global user.name "Your Name"

git config --global user.email "you@example.com"

henrik

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

zeuxisoo

Create patch file

git diff --no-prefix > [path file name]

Apply path file

patch -p0 < [path file name]