Coldcard’s seed-generation failure showed that a Bitcoin multisig wallet can share one manufacturer-level weakness when several signing keys come from the same device family or firmware.
Alexander Stefanov
Editor-in-Chief
Alex is Editor-in-Chief of Coindoo and co-founder of Millennial Media Group, with nearly a decade of experience covering financial markets - crypto first, then everything else. It started in 2016 with Bitcoin. Like most people at the time, he didn't fully understand it - so he kept digging. Blockchain, tokenomics, the projects, the cycles. That curiosity never stopped, and eventually pulled him into traditional markets too: equities, commodities, macro. Not because he left crypto behind, but because you can't properly understand one without the other. What drives him is straightforward: he wants to know why something is happening, not just that it's happening. Most market coverage stops at the headline - price up, price down, here's a chart. Alex finds that kind of reporting actively unhelpful. If you walk away from an article without understanding the mechanism behind the move, what did you actually learn? He holds a degree in Tourism from New Bulgarian University - not the most obvious path into financial markets, but markets have a way of pulling in people who are simply too curious to stay out. He has authored over 200 in-depth analyses and more than 10,000 articles across crypto and traditional finance. He still thinks every day in markets teaches him something new. That's probably why he hasn't stopped.
Latest articles by Alexander Stefanov
Bitcoin briefly traded above $81,000 before easing toward $80,700. The rally has restored short-term momentum, but BTC is now pressing into a resistance area that extends to roughly $84,000.
Ethereum has finally pushed above the descending trendline that capped its price action for nearly a year. While the move clears a major hurdle, buyers still need to defend reclaimed territory into the weekly close to confirm a true breakout.
ENA nearly doubled over the past seven days, but let's keep perspective: the token is still trading well below its autumn highs. The central question for traders right now is whether buyers have enough momentum to push past the $0.179 level or if this short-term bounce is about to stall out.
Term Labs has confirmed a governance-level exploit against its vaults. While security trackers estimate the haul at $8.5 million, the real story isn't just the dollar figure, it is how privileged authority may have been captured to make the drain look technically legitimate.
Bitcoin’s explosive rush from the mid-$63,000s straight into $78,000 hit its first major ceiling on Saturday. Now, the resulting pullback faces a straightforward technical test at $73,230.
Dogecoin’s burst toward $0.10 collided with the price shelf it lost before the May–July sell-off, setting up a decisive test of how much buying power sits beneath the rebound.
Nearly $49 billion in newly minted SAND flashed across blockchain trackers after The Sandbox exploit, but the figure said little about what the attacker could actually extract.
Binance has launched Agent OS, an integration layer that allows developers to connect AI applications to its exchange services. The important boundary sits inside the user’s account: the permissions chosen there determine what an agent can see, trade and control.
Solana has pushed above all three major daily simple moving averages, pressing into the $90 zone where its next major chart battle awaits.
XRP gained roughly 16% over 24 hours and 24% on the week, ripping the token out of the $1 basement and slamming it directly into its first major technical wall. Trading around $1.25 after peaking at $1.26 during the session, the asset has punched back above a crucial floor, but the hard work starts right here.
A token can be sold without having a clear route through the rest of the financial system but it buyer may still face unanswered questions about custody, trading venues, ownership records and settlement.
