BGP leaks and cryptocurrencies
Over the few last hours, a dozen news stories have broken about how an attacker attempted (and perhaps managed) to steal cryptocurrencies using a BGP leak.
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The most popular blog posts about crypto & blockchain on Hacker News. 75 posts.
Over the few last hours, a dozen news stories have broken about how an attacker attempted (and perhaps managed) to steal cryptocurrencies using a BGP leak.
A good method for discovering startup ideas is to look into technological breakthroughs and think about what they unlock that wasn't possible before. In this introductory post, we are going to use this framework to examine Bitcoin.
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Since the completion of the token sale, we have been heads down turning Filecoin’s tremendous potential into reality – from implementing the core parts of the Filecoin protocol to growing our team with the best talent we can find.
Is he secretly the best young economist today?
We’re excited to announce Coinbase Commerce, available today for merchants around the world. Merchants everywhere can use Coinbase Commerce…
Today, we at Lightning Labs are announcing the release of lnd 0.4-beta ! This release marks the 4th major release of lnd and the first Lightning mainnet beta, an important milestone. With this release, lnd has gained a considerable feature set, deeper cross-implementation compatibility, a new specialized wallet seed…
Multiple security firms recently identified cryptocurrency mining service Coinhive as the top malicious threat to Web users, thanks to the tendency for Coinhive’s computer code to be used on hacked Web sites to steal the processing power of its visitors’ devices. This post looks at how Coinhive vaulted to the top of…
This document describes a weakness in Bitcoin Design that reduces the security of SPV proofs and therefore SPV Wallets. The weakness was discovered by me on August 2017, but during the responsable…
Ethereum and other cryptocurrencies have captured the imagination of technologists, financiers, and economists. Digital currencies are only one application of the underlying blockchain technology. Earlier this year, we made the Bitcoin dataset publicly available for analysis in Google BigQuery. Today we’re making the…
At the kind invitation of Rob May and the Botchain team, I had the opportunity recently to keynote Brains and Chains, an interesting conference in New York expl
IOTA is a cryptocurrency targeting the internet of things. It purports to be scalable, decentralized, and feeless. Unfortunately it is none of those things.
Two years ago, when we began taking on blockchain security engagements, there were no tools engineered for the work. No static analyzers, fuzzers, or reverse engineering tools for Ethereum. So, we invested significant time and expertise to create what we needed, adapt what we already had, and refine the 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) .