One of the issues inherent in many kinds of consensus architectures is that although they can be made to be robust against attackers or collusions up to a certain size, if an attacker gets large enough they are still, fundamentally, exploitable. If attackers in a proof of work system have less than 25% of mining
The United States has sanctioned Iranian exchanges, frozen nearly $1 billion in cryptocurrency, and traced $3.84 billion in Iran-linked flows through a single offshore exchange, exposing the scale of sanctions evasion through digital assets. Summary The US Treasury has sanctioned four Iranian cryptocurrency exchanges, including Nobitex, which handles approximately 50% of Iran’s crypto trading volume,
Holders of Strategy’s (MSTR) high-yielding preferred stock STRC will not see a dividend increase in August. Led by Executive Chairman Michael Saylor, Strategy is maintaining the current 12% dividend on the shares. STRC investors may have been expecting as much as a 50-basis-point hike in the dividend as Strategy has customarily raised the payout anytime
I was woken by Vitalik’s call at 5:55 this morning; pitch black outside, nighttime was still upon us. Nonetheless, it was time to leave and this week had best start on the right foot. The 25-minute walk in darkness from the Zug-based headquarters to the train station was wet. Streetlights reflecting off the puddles on
Bitcoin price hovered near $63,000 on Aug. 1 as US ETF outflows, weakening momentum and regulatory uncertainty kept buyers on the sidelines. Summary Bitcoin price is testing the $63,150 Fibonacci support after retreating from July’s $66,900 high. US spot Bitcoin ETFs recorded $265 million in net outflows on July 31. 4-hour money flow fell to
I’m Vinay Gupta, the newly minted release coordinator for Ethereum. I’ve been working with the comms team on strategy, and have now come aboard to help smooth the release process (some of the content in this blog is out of date, please see this link for the most up to date information on Ethereum). I’ll be
Iran has been dodging sanctions by accepting pay in Bitcoin from ships passing through the Strait of Hormuz, according to a Friday announcement from the U.S. Treasury’s Office of Foreign Assets Control. The OFAC sanctioned the companies tied to the Iranian regime accused of doing so. Ships have barely been passing through the strategic Strait
Proof of work is a consensus mechanism that forces computers to spend measurable energy solving a mathematical puzzle before they can add a new block of transactions to a blockchain. It is the reason bitcoin has value as a settlement network and the reason that network consumes more electricity than some countries. Summary Proof of
So I’m not sure if this kind of development methodology has ever been applied to such an extreme before so I figured I’d document it. In a nutshell, it’s sort of like test-driven triplet-programming development. While speed-developing our alpha codebase, four of us sat around a table in the office in Berlin. Three people (Vitalik,
North American listed miners are responding to challenging post-halving economics by pivoting toward AI infrastructure — but not uniformly, and not without risk. The shift is splitting the sector into different kinds of companies. Bitcoin, meanwhile, looks likely to absorb the change largely as designed. One of the biggest stories of 2026 so far has
