Surprises in the Bitcoin blockchain and how they are stored (2014)
Every Bitcoin transaction is stored in the distributed database known as the Bitcoin blockchain. However, people have found ways to hack ...
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 488 posts.
Every Bitcoin transaction is stored in the distributed database known as the Bitcoin blockchain. However, people have found ways to hack ...
tl;dr: You can now use our searchable database to download Bitcoin timestamps for items in the Internet Archive.
The untold story of the hole in Bitcoin's heart
In 2018, Andrew Schober was digitally mugged for approximately $1 million worth of bitcoin. After several years of working with investigators, Schober says he’s confident he has located two young men in the United Kingdom responsible for using a clever piece of digital clipboard-stealing malware to siphon his crypto…
Fees keep going up. And every time they go up, more of the money stored on the blockchain becomes worthless.
Elliptic Curve Cryptography (ECC) has grown to be very popular in public-key cryptographic systems, most popularly used in Bitcoin. ECC is…
Chris Blec asks the following question: Source: Twitter Chris's premise is that it is "not illegal" for him to get together with a bunch of ...
programming, philosophy, history, internet, startups
An investigation into how malicious nodes run by Chainalysis made their way into defaults of popular Monero wallets.
In about a month, an important moment will happen in the world of crypto/web3. The Ethereum blockchain will move from a proof of work consensus mechanism to a proof of stake consensus mechanism. This event is known as “The Merge” in Ethereum land. There are many reasons why this is an important moment for the […]
In the frenzy to attract venture capital funding and draw new users and investors into blockchain technologies, 'how will this technology be used to harass and abuse people?' is going unasked. While blockchain proponents speak about a 'future of the web' based around public ledgers, anonymity, and immutability, those…
Writeup of a tool for creating bitcoin stealing phishing clones of onion services on large scale
Two recently-hyped developments in AI engineering have been Geoff Huntley’s “Ralph Wiggum loop” and Steve Yegge’s “Gas Town”. Huntley and Yegge are both…
Today’s biggest misconception about NFTs is that they’re “jpeg” images stored on the Ethereum blockchain, it’s not. Probably because that digital art can be easy to visualize, and famous artists attempt today to sell their digital art as an NFT on a platform such as Opensea, it has gained lot of attention these past…
<p>Ok, I've been asked enough times, here it is -- my view and analysis of "Bitcoin", which I have taken to calling "Bitcon." &nbsp;That probably deserves an explanation....</p><p>Let's first define what an
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.
A lucrative arbitrage opportunity formed the foundation of much of the cryptocurrency industry. When it turned bad, it brought the whole house of cards down with it.
Exploring blockchain, math, and smart contracts through a security lens.
I am speaking today at BSDCan'09 about my work on the scrypt key derivation function. In the context of hardware brute-force attacks, scrypt is thousands of times more secure than existing "best practice" solutions such as bcrypt and PBKDF2; in fact, under reasonable assumptions it is provably as strong as possible…