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Fraudulent trading activity at Mt. Gox
Somewhere in December 2013, a number of traders including myself began noticing suspicious bot behavior on Mt. Gox. Basically, a random number between 10 and 20 bitcoin would be bought every 5-10 m…
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The latest blog posts to take off on Hacker News. 67 posts.
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Minimum Viable Block Chain
Block chain is agnostic of any 'currency' and it can (and will) be adapted to power many other use cases. This is a ground up explanation of why the particular pieces (digital signatures, proof-of-work, transaction blocks) are needed, and how they all come together to form the minimum viable block chain with all of…
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Bitcoin Price Pressure
The price of bitcoin keeps trending down. [1] This causes a lot of people to declare the end of bitcoin. It’s important to understand that the default price pressure of the bitcoin ecosystem is...
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Square Market Accepts Bitcoin
The Corner is Square's technical blog covering software engineering, APIs, data, open source and more.
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Strangecoin: a proposal for a nonlinear currency
In this post I sketch a proposal for a digital currency that works unlike other *coins that have recently become available. I'm calling it ...
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Tarsnap now accepts Bitcoin
There is a significant commonality between Tarsnap and Bitcoin — both rely crucially on strong cryptography, and anecdotally it seems that many Bitcoin users rely on Tarsnap to back up their "wallets" (I have no concrete data since I can't tell what data people are backing up ) — so it's not surprising that many…
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How to steal Bitcoins that are protected by weak passphrases
Every Bitcoin address is based on a secret key, from which the public key (associated to a Bitcoin address) is calculated. Once you have the private key for an address, you have the control of that address and can use it to transfer funds.
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The programming error that cost Mt. Gox 2609 Bitcoins
In October 2011, Mt Gox lost over 2609 bitcoins by accidentally creating transactions that can never be redeemed. (At the time, 2609 bitcoin...
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Mt. Gox Resigns Bitcoin Foundation Board Seat
Stay informed with the latest Bitcoin and cryptocurrency news. Breaking updates, market analysis, and industry developments from trusted sources.
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Cryptocontracts Will Turn Contract Law Into a Programming Language
A couple of weeks ago, I wrote a post with 10 things that amazed me about bitcoin (here). I just can’t stop thinking about the idea that I brought up in the final point of that post, specific…
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Bitcoin mining the hard way: the algorithms, protocols, and bytes
This article explains Bitcoin mining in details, right down to the hex data and network traffic. If you've ever wondered what really happe...
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Bizarre Shadowy Paper-Based Payment System Being Rolled Out Worldwide
Or how cash would be described in the press if invented today. Full bitcoin series here : Bizarre Shadowy Paper-Based Payment System Being Rolled Out Worldwide New York, February 17, 2014 World governments announced a plan today to allow citizens to anonymously carry parts
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Bitcoin transaction malleability: looking at the bytes
"Malleability" of Bitcoin transactions has recently become a major issue. This article looks at how transactions are modified, at the byte...
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EFF Challenges New Jersey Subpoena Issued to MIT Student Bitcoin Developers
As the popularity of Bitcoins has increased, government officials are concerned about criminal activity associated with the virtual currency. But a recent subpoena issued by the New Jersey Division of Consumer Affairs to 19-year-old Bitcoin developer and MIT student Jeremy Rubin goes too far, and...