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New
The latest blog posts to take off on Hacker News. 850 posts.
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Zerocoin implementation bug
Firo is a digital currency with a focus on setting privacy standards.
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The resolution of the Bitcoin experiment
I’ve spent more than 5 years being a Bitcoin developer. The software I’ve written has been used by millions of users, hundreds of…
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Class Breaks
There’s a concept from computer security known as a class break. It’s a particular security vulnerability that breaks not just one system, but an entire class of systems. Examples might be a vulnerability in a particular operating system that allows an attacker to take remote control of every computer that runs on…
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Bitcoin Now Worth More Than Twitter
Editor's Morning Note: Wrapping 2016, bitcoin is hitting new aggregate value highs. It's now worth more than Twitter. Bitcoin made waves this week by
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Keybase chooses Zcash
You're reading the Keybase blog. There are more posts . When you're done, you can install Keybase .
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How to accept Bitcoin payments without running a full node
Accepting Bitcoin payments for an online service can be daunting at first (I worked out how to do it, for SMS Privacy , a couple of months ago). What I describe is not the only way to accept Bitcoin payments - it's not even the best way to accept Bitcoin payments - but it works for me. And it might work for you, too.
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Zcash begins
The Zcash blockchain is live! We released the genesis block this morning, and people all around our planet have begun mining and transacting on it. Our homepage links to a download page where you can…
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Who Pays for the Decentralized Web?
I recently attended the Decentralized Web Summit where industry giants Vint Cerf and Tim Berners-Lee spoke about designing a new…
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OpenTimestamps: Scalable, Trust-Minimized, Distributed Timestamping with Bitcoin
I’ve spent the past few weeks working on1 an old2 project of mine,OpenTimestamps, and it’s ready for a public alpha release. It’s timestampinginfrastructure ...
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It’s easier and cheaper to use bank wires than Bitcoin
This is my short story on why it’s easier and cheaper to use old fashioned bank wires when you have to transfer money.
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Microsoft and Bank of America collaborate with Azure Blockchain as a Service
REDMOND, Wash., and NEW YORK — Sept. 27, 2016 — Today at Sibos, an annual conference organized by SWIFT for the financial industry, Microsoft Corp. and Bank of America Merrill Lynch announced a collaboration on blockchain technology to fuel transformation of trade finance transacting. As part of this collaboration…
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Bitcoin 0.13.0 Binary Safety Warning
Bitcoin.org has reason to suspect that the binaries for the upcoming Bitcoin Core release will likely be targeted by state sponsored attackers. As a website, Bitcoin.org does not have the technical resources to guarantee that we can defend ourselves from attackers of this calibre. We ask the Bitcoin community, and in…
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DDoSCoin: Cryptocurrency with malicious proof of work
Eric Wustrow, University of Colorado Boulder; Benjamin VanderSloot, University of Michigan
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Nothing is Cheaper than Proof of Work
I previously wrote a post on proof of work (PoW) and mining . The first half generated great interest but (apparently) failed to be universally persuasive. For example, CCRG (Ethereum’s multi-million dollar funded “research” organization) consists almost entirely of academics theorizing about proof of stake (PoS) .
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Hard Forks
The crypto-currency Ethereum completed a hard fork on Wednesday. The Ethereum core developers, after getting a vote of support from the Ethereum community, hard forked Ethereum to “get back” the roughly $40mm of Ethereum that was taken in the hack of The DAO. Hard forks are a bit of a lightning rod issue in the […]
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