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Bitcoin as a law enforcement/natsec honeypot: what is the evidence?
Paranoia appears to be the order of the day, given what we know about the NSA and GCHQ thanks to Edward Snowden. Absent from the stories so...
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The latest blog posts to take off on Hacker News. 59 posts.
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Time-lock encryption
How do you encrypt a file such that it can be decrypted after a date, but not before? Use serial computations for proof-of-work using successive squaring, chained hashes, or witness encryption on blockchains.
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Btcd: Not your mom's Bitcoin daemon
We are pleased to announce that btcd , our full-node bitcoind alternative written in Go, is finally ready for public testing!
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Bitcoin is Worse is Better
2011 essay on how Bitcoin’s long gestation and early opposition indicates it is an example of the ‘Worse is Better’ paradigm in which an ugly complex design with few attractive theoretical properties compared to purer competitors nevertheless successfully takes over a niche, survives, and becomes gradually refined.
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1Password and the Crypto Wars
A series of debates, civil disobedience, and cryptographic developments have come to be known as “The Crypto Wars”. Learn how 1Password can help you protect your data.
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The NSA Is Breaking Most Encryption on the Internet
The new Snowden revelations are explosive. Basically, the NSA is able to decrypt most of the Internet. They’re doing it primarily by cheating, not by mathematics. It’s joint reporting between the Guardian, the New York Times, and ProPublica. I have been working with Glenn Greenwald on the Snowden documents, and I have…
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Android RNG Weakness Renders Bitcoin Wallets Insecure
We recently learned that a component of Android responsible for generating secure random numbers contains critical weaknesses , that render all Android wallets generated to date vulnerable to theft. Because the problem lies with Android itself, this problem will affect you if you have a wallet generated by any Android…
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The Strange Story of Dual_EC_DRBG – suspected NSA backdoor (2007)
Random numbers are critical for cryptography: for encryption keys, random authentication challenges, initialization vectors, nonces, key-agreement schemes, generating prime numbers and so on. Break the random-number generator, and most of the time you break the entire security system. Which is why you should worry…
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Liberty Reserve Founder Arrested, Site Shuttered
The founder of Liberty Reserve , a digital currency that has evolved as perhaps the most popular form of payment in the cybercrime underground, was reportedly arrested in Spain this week on suspicion of money laundering. News of the law enforcement action may help explain an ongoing three-day outage at…
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EFF now accepting Bitcoin again
Today, we’re happy to announce that we will be accepting Bitcoin donations through our website. You can use them to make one-time donations, set up monthly donations or get an EFF membership (which includes awesome membership swag like EFF hats and digital freedom t-shirts).While we are accepting...
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The Well Deserved Fortune of Satoshi Nakamoto, Bitcoin creator
I won’t discuss anything in this post. I’m tired of discussing technical things with people with skewed opinions and monetary interest. I’ve talked enough in the Bitcointalk forum…
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Zerocoin: making Bitcoin anonymous
Wow, what the heck is going on with Bitcoin? When I started this post, the value of a single bitcoin had surged upwards of $250. It’s corrected a bit since then (down $100 or so), but it̵…
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BitCon: Don't
<p>Ok, I've been asked enough times, here it is -- my view and analysis of "Bitcoin", which I have taken to calling "Bitcon." &nbsp;That probably deserves an explanation....</p><p>Let's first define what an
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How the Internet Archive is having a great time with Bitcoin
The Internet Archive jumped into bitcoin in 2011 after many people asked to donate bitcoins-- a non-techy set up our wallet (good sign), and we got about $2,000 worth of donations that first year. In 2012 we got about $6,000 worth-- interesting. I think of it as the local currency of the Internet. I figured
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The Big Book of Bitcoin - An introduction
An introduction to Bitcoin without the jargon: Bookkeepers, Ledgers and Anonymity.
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Dwolla Begins PayPal-Style Account Suspensions for Bitcoiners
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