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The most popular blog posts about crypto & blockchain on Hacker News. 362 posts.
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…
Elliptic Curve Cryptography (ECC) is a modern public-key encryption technique famous for being smaller, faster, and more efficient than incumbents. Bitcoin, for example, uses ECC as its asymmetric cryptosystem because it is so lightweight. The mathematical entity that makes all of this possible is the elliptic curve…
Nostr - the simple, decentralized messaging protocol with the potential to replace centralized apps like Twitter and WhatsApp - is going mainstream. And fast.
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Vili Lehdonvirta is an expert on the politics and economics of digital platforms. His current research focuses on the geopolitics and geoeconomics of digital infrastructures.
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…
A look inside the gray-market reseller economy that gives mainland China cheap, structured, B2B-grade access to OpenAI, Anthropic, Google, and beyond
sourcehut is a network of useful open source tools for software project maintainers and collaborators, including git repos, bug tracking, continuous integration, and mailing lists.
Fake hardware cryptowallet, and how bitcoins were stolen from it.
We’re launching the Machine Payments Protocol (MPP), an open standard, internet-native way for agents to pay—co-authored by Tempo and Stripe. Businesses on Stripe can accept payments over MPP in a few lines of code using our PaymentIntents API.
HappyFunCorp ships AI-enabled products and custom software for web, mobile, TV, and more. Trusted by leading startups and Fortune 500 clients since 2009.
Luna/UST went from a collective market capitalization of ~$50 billion to now down 99%. The collapse of the Luna/UST Ponzi scheme occurred even faster than anyone expected, but this implosion was perfectly predictable.
This blog post describes how electronic passports work, the threats within their threat model, and how they protect against those threats using cryptography. It also discusses the implications of using electronic passports for novel applications, such as zero-knowledge identity proofs.
The technical specification and timeline for Lightning on Stellar, including working examples and an explanation of the new BUMP_SEQUENCE operation.
The most common method for producing crypto-assets requires enormous amounts of electricity and generates large CO2 emissions. Crypto-asset producers are keen to use more renewable energy, and they are increasing their presence in the Nordic region. Sweden needs the renewable energy targeted by crypto-asset producers…
SHA-2 (Secure Hash Algorithm 2), of which SHA-256 is a part, is one of the most popular hash algorithms around. A cryptographic hash, also often referred to as a "digest", "fingerprint" or "signature", is an almost perfectly unique string of characters that is generated from a separate piece of input text. SHA-256…
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.
When my kids were born, I immediately set up gmail accounts for each of them using their nicknames. I’d email observations to their accounts of their first everything, along with photos of moments captured on my mobile. As they grew, I sent audio messages of them reciting poems or silly stories in their raspy, caveman…
