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Earn bitcoins by solving puzzles, testing questionable privacy methods, exposing software vulnerabilites, cracking weak encryption protocols, or blowing the whistle on espionage. Using Bitcoin as a financial incentive allows these to be done both anonymously and publicly. Read how...

correct horse battery staple

xkcd: Password Strength

Due to excess spam, in order to skip comment approval or post in the forums, you must solve at least one challenge. This is an easy challenge anyone can solve to gain posting privileges.

This passphrase is commonly known from the xkcd cartoon shown to the right. The cartoon claims an easy to memorize 4 word passphrase has more security (entropy) than a passphrase with 11 characters based on an uncommon English language word. We will avoid any debate on the truth to these claims because what we do know is, with a tool like Brainflayer, cryptocurrency secured with any 4 word passphrase is not safe and likely to be stolen.

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