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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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DDoSCoin: Cryptocurrency with malicious proof of work
Eric Wustrow, University of Colorado Boulder; Benjamin VanderSloot, University of Michigan
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Avoiding a pointless blockchain project
Blockchains are overhyped. There, I said it. From Sibos to Money20/20 to cover stories of The Economist and Euromoney , everyone seems to be climbing aboard the blockchain wagon. And no doubt like others in the space, we’re seeing a rapidly increasing number of companies building proofs of concept on our platform…
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Thinking About Smart Contract Security
Over the last day with the community's help we have crowdsourced a list of all of the major bugs with smart contracts on Ethereum so far, including both the...
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My view on the current situation of Bitcoin and the Blockchain
In a previous post, I wrote that I believe the Blockchain has the potential to be as disruptive -- and...
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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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The blockchain is a threat to the distributed future of the Internet
Ayudamos a la comunidad a través de actividades cívicas constructivas.
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Bitcoin Users Reveal More Private Information Than They Realize
Most people think bitcoin is anonymous. In fact, new technologies trace BTC transactions, attempting to identify bitcoin users.
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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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Is Craig Wright?
Today there has been an explosion of media interest in the claim by Craig Wright that he is the identity behind the pseudonymous creator of Bitcoin, Satoshi Nakamoto. However, his blog post is rath…
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Codex: A Legal Scripting Language for Ethereum
Pax is using Ethereum to build a peer to peer legal system. The best way to explain Ethereum is by contrasting it with Bitcoin. What…
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Ethereum Homestead release
<strong>Update: We've released <a href="https://github.com/ethereum/go-ethereum/releases/tag/v1.3.5">version 1.3.5</a> including networking hotfix for...
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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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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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Funding, Incentives, and Governance
In my first blog post I focused on the most important thing: our values. Now I turn to the next-most-important issue for our mission: funding. Here’s how we’ve gathered the necessary resources to get…
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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) .