Topic
bitcoin
52 stories
Coldcard seed bug drives a spike in new Bitcoin addresses as users flee 2021-era wallets
Coinkite users have lost at least 1,816 BTC — roughly $116 million — in four theft waves since July 30, traced to a 2021 firmware bug that generated wallet seeds with a weak software random number generator.
Trump Media's crypto treasury drops $306.7 million in value as company books $360.6 million in half-year digital-asset losses
Trump Media booked a $238.1 million second-quarter net loss and $360.6 million in digital-asset losses for the first half, as its bitcoin and Cronos holdings fell to $597.7 million from $904.4 million.
Bitcoin wallets holding 10,000+ BTC hit 90, a six-month high, per Santiment
Analytics firm Santiment counts 90 bitcoin wallets holding at least 10,000 BTC, a six-month high, while smaller wallets shrink and bitcoin trades near $64,000.
Strategy sold another 1,690 BTC below cost, and used stock sales to top up a $4.65 billion cash pile
Strategy sold 1,690 bitcoin below its own average cost basis last week and issued $653 million of common stock, routing the proceeds into preferred-share buybacks and a $4.65 billion dollar reserve.
Decrypt Puts Five-Day Bitcoin ETF Inflows at $854 Million, With Bitcoin Quoted at $65,032
Decrypt reported $854 million of net inflows into bitcoin ETFs across five sessions, with bitcoin quoted at $65,032 — a single-outlet figure not yet matched against issuer or tracker data.
Spot bitcoin ETFs post best week since April — and four-fifths of it landed at BlackRock
U.S. spot bitcoin ETFs took in $853.54 million in the week ended Aug. 7, their best week since mid-April, but the funds are still roughly $4.5 billion in the red for 2026.
BTCPay Server warns of critical flaw under active exploitation; patch details not yet public
BTCPay Server has warned that a critical flaw in the self-hosted Bitcoin payment processor is under active exploitation, though no CVE number or patched release has surfaced in public reporting yet.
BTCPay Server tells users to patch or power down, citing an actively exploited critical bug
BTCPay Server told users on Aug. 7 to upgrade to version 2.4.2 or shut down their servers, saying a critical flaw is already being exploited and funds may be at risk.
Big wallets and ETFs both bought bitcoin this week. The price didn't move.
Santiment data cited by CoinDesk shows wallets holding 10 to 10,000 BTC added more than 20,000 coins since July 29, while U.S. spot bitcoin ETFs took in $754.69 million this week — with bitcoin still stuck below $65,000.
A 2011 bitcoin wallet moved 50 BTC. Where it went next is the part nobody can confirm
A wallet untouched since July 2011 sent 49.97 BTC — about $3.2 million — into an address that has previously deposited coins with brokerage FalconX, though the funds have not moved again.
Intesa Sanpaolo cut its IBIT position 94% last quarter — and quietly added puts
Intesa Sanpaolo's second-quarter filing shows a 94% cut to its IBIT position, calls swapped for puts on 500,000 shares, and a tripled staked-ether ETF stake.
Coldcard's seed flaw is still live, and an exchange is already selling the moral
Coinkite says the entropy flaw behind up to $114 million in stolen bitcoin is still live and requires manual migration, while OKX claims the theft is driving record deposits to exchanges.
Strategy sold 1,638 bitcoin and bought back its own preferred stock below par
Strategy sold 1,638 bitcoin for $104.73 million last week and issued $290.6 million of common stock, using the cash to buy back preferred shares and lift its dollar reserve to $4 billion.
Fourth Coldcard sweep is running live, with estimated losses near $114 million
Galaxy's Alex Thorn says a fourth wave of sweeps against Coldcard-generated bitcoin addresses began Monday, putting estimated losses since July 30 near 1,816 BTC, or roughly $114 million.
Coldcard wallet drain reaches $88 million, per Decrypt — with the mechanism still unspecified
Decrypt reports that losses from an exploit hitting Coldcard bitcoin wallets have reached $88 million and are still climbing, with the attack vector and vendor response not yet specified.
Trump Media moves 2,628 BTC to Crypto.com, says it wasn't a sale
Wallets tagged to Trump Media sent 2,628 BTC worth roughly $165 million to Crypto.com on Saturday; the company says the coins were moved, not sold.
Treasury sanctions Iranian marine "insurance" scheme that took bitcoin for Hormuz passage
The U.S. Treasury designated two Iranian maritime insurers, including a bitcoin-accepting platform built by Tehran's economy ministry, alleging they extorted ships transiting the Strait of Hormuz for the IRGC.
CZ warns Bitcoin holders after reported $70 million Coldcard exploit
Decrypt reported on August 1 that Binance founder Changpeng Zhao warned Bitcoin holders after a roughly $70 million exploit involving Coldcard hardware wallets, with the attack path still unspecified.
Bitcoin mining difficulty falls below year-ago levels for only the second time ever
Bitcoin's mining difficulty has dropped to 126.23 trillion, 1.1% below where it sat a year ago — only the second annual decline ever, after China's 2021 mining ban.
Coldcard key flaw: third sweep takes 208 BTC, running total hits 1,367
A third sweep of wallets seeded by a flawed March 2021 Coldcard firmware build drained 208 bitcoin from 1,912 addresses, pushing the running total to 1,367 BTC.
Quantum Solutions sells another 1,000 ETH at a 47% discount to cost, cedes Japan's top ether treasury to Def Consulting
Tokyo-listed Quantum Solutions sold 1,000 ether at $1,903 on July 30 to fund an AI data center push, cutting its stack 29% since June and losing Japan's largest listed ETH position to Def Consulting.
Galaxy puts the Coldcard drain at 1,082 BTC across 1,196 wallets — roughly double the first count
Galaxy Research says an attacker swept 1,082.65 BTC from 1,196 Coldcard wallets in 41 minutes on July 30 by reconstructing weakly generated seeds offline, without touching a single device.
Bitcoin ETFs eke out a third weekly inflow — after $465 million walked out the door on Thursday and Friday
U.S. spot bitcoin ETFs booked a net $33.79 million for the week ended July 24, their third straight weekly inflow, but $465 million left over the final two days as BlackRock's IBIT led the exits.
Strategy sits out bitcoin for a fifth week, raising cash and selling stock instead of stacking coins
Strategy went a fifth straight week without buying bitcoin, instead selling $544.5 million of stock to lift its cash reserve to $3.75 billion and repurchasing $25 million of its own preferred shares.
Bitcoin Core ships v30.3
The Bitcoin Core project published version 30.3 of its reference client on July 23, 2026, posting binaries and release notes to bitcoincore.org.
Galaxy commits up to $5M to prep Bitcoin for a quantum threat that doesn't exist yet
Galaxy has pledged up to $5 million in milestone-based developer grants and formed an advisory council to prepare Bitcoin for a future quantum-computing threat that experts agree does not exist yet.
CoinShares opens UCITS platform to reach European institutions its old products couldn't touch
CoinShares launched a UCITS platform and a Bitcoin Mining ETF on Deutsche Börse Xetra, aiming at European pension funds, insurers and private banks whose mandates barred its existing debt-backed products.
A quantum recovery tool for frozen bitcoin — that can't reach Satoshi's coins
Quantum research firm Project Eleven says it has built a fast zero-knowledge proof to recover frozen quantum-vulnerable bitcoin, but it can't rescue Satoshi's ~1.1 million coins or any pre-2012 wallet.
Bitcoin wallet dormant for 8 years moves 5,908 BTC, worth about $383 million
A bitcoin wallet dormant since December 2017 moved 5,908 BTC — worth roughly $383 million — to a new address on July 15, according to on-chain trackers; the coins have not moved since and no sale is confirmed.
US government wallets shift $288M in seized bitcoin and ether to Coinbase Prime, per Arkham
On-chain analytics firm Arkham says U.S. government-linked wallets moved roughly 3,800 BTC and 30,007 ETH — over $288 million — to Coinbase Prime on July 13, drawn from criminal-case seizures.
Retail chatter about Bitcoin and Ethereum has drained back to 2020 levels, The Block's data desk says
The Block's data desk reports that daily tweet volume for "Bitcoin" and "Ethereum" has fallen to roughly 130,000 and 40,000 mentions — 12-month lows last seen in 2020 — even as institutional crypto activity climbs.
Bitcoin and Ether ETFs Log Fresh Inflows After Extended Outflow Run, Decrypt Reports
Decrypt's July 13 Morning Minute reports US spot bitcoin and ether ETFs recorded net inflows after an extended run of outflows, though the brief did not disclose the dollar figures behind the reversal.
Dormant bitcoin wallet moves 2,931 BTC worth ~$188 million after seven years quiet
A bitcoin wallet dormant since October 2018 moved 2,931 BTC — worth roughly $188 million — to a fresh address on July 12, according to on-chain trackers; the reason is unknown.
Bitcoin's long-term holders are capitulating, but analysts stop short of calling a bottom
Glassnode data cited by The Block shows bitcoin has traded below key on-chain value levels for five months as long-term holders sell at the fastest pace since December 2022, with no confirmed bottom.
BitGo says it will ship quantum-risk tools for institutional Bitcoin wallets 'in coming weeks'
BitGo said Thursday it will roll out tools in the coming weeks to help institutions measure and cut Bitcoin wallets' exposure to a future quantum-computing attack, built on its existing multi-signature setup.
Bitcoin Core v31.1 released
The Bitcoin Core project announced the release of Bitcoin Core v31.1 on July 8, 2026, a point update to the reference implementation, though the release notes' contents were not detailed in the announcement.
U.S. bitcoin reserve still on the drawing board 16 months after Trump ordered it
Sixteen months after Trump's executive order, the White House says it is still evaluating whether Treasury or Commerce should house a U.S. bitcoin reserve, and Congress has passed no law to back it.
Strategy sells 3,588 bitcoin at a loss to pay its dividends, formalizing the one thing Saylor swore it wouldn't do
Strategy sold 3,588 bitcoin for about $216 million last week to fund preferred-stock dividends, an SEC filing shows, formalizing a sell mechanism at a company long defined by never selling.
Bitcoin claws back above $61,000 as a soft jobs report ends the ETF bleed — but the 'dovish' read has holes
Bitcoin rebounded above $61,000 and US spot bitcoin ETFs took in roughly $222 million on July 2, ending a 10-day outflow streak, after a weak June jobs report trimmed the odds of another Fed rate hike this year.
Bitcoin whales added 270,000 BTC in two weeks as U.S. ETFs logged a record $4.06B June outflow
Large bitcoin holders bought more than 270,000 BTC (about $16.7 billion) over two weeks in late June while U.S. spot ETFs shed a record $4.06 billion, per CoinDesk citing Bitfinex.
CryptoQuant flags a jump in exchange deposits as bitcoin tests $60,000
CryptoQuant analyst Julio Moreno says a spike in bitcoin, ether and altcoin exchange deposits — driven by large holders — has historically preceded higher volatility, as bitcoin trades near $62,000 and tests $60,000 support.
Coinbase and Better launch a crypto-backed mortgage — with a lot riding on one company's blog post
Coinbase and lender Better announced a mortgage that lets borrowers pledge Bitcoin or USDC to fund a down payment without selling it, wrapped into a Fannie Mae-backed conforming loan.
Metaplanet Added 2,823 Bitcoin in Q2, With Buying Slowing
Metaplanet disclosed adding 2,823 bitcoin during the second quarter of 2026, a purchase pace that has slowed from the Japanese firm's earlier, more aggressive accumulation, according to Decrypt.
Irish investigators recover another 500 BTC from Clifton Collins stash, reaching 1,500 total
Ireland's Criminal Assets Bureau, aided by Europol, seized a third tranche of 500 bitcoin from a lost stash tied to drug trafficker Clifton Collins, bringing total recoveries to 1,500 BTC.
Metaplanet's bitcoin buying slows to its weakest quarter as its treasury sits about $1.5 billion underwater
Metaplanet bought 2,823 bitcoin in Q2 2026, its smallest quarter yet, lifting holdings to 43,000 BTC — a stack that cost about $4.07 billion but is worth roughly $2.6 billion at current prices.
Trump-family miner American Bitcoin plans reverse split to keep its Nasdaq listing
American Bitcoin, the Trump-family bitcoin miner, will execute a 1-for-15 reverse stock split next week to stay above Nasdaq's $1 minimum bid after shares hit a record low around $0.64.
Bitcoin Core ships a test build to fix the privacy feature that leaked privacy
Bitcoin Core has published v31.1rc1 for testing, a minor release whose headline fix closes a privacy bug in the new private-broadcast feature that could leak a sender's IP address to a peer.
Bitcoin Core ships v31.0 as the Core-versus-Knots rift stays raw
Bitcoin Core published its v31.0 node software on April 20, 2026 after a five-week release-candidate cycle; the announcement threads carry no feature detail but are thick with hostile reactions and pitches for the rival Bitcoin Knots implementation.
Bitcoin Core discloses a high-severity node-crash bug, CVE-2024-52911, fixed in version 29.0
Bitcoin Core disclosed CVE-2024-52911, a high-severity use-after-free bug that let a miner crash nodes running versions from 0.14.0 up to 29.0 by broadcasting a specially crafted invalid block.
Bitcoin Core discloses five patched vulnerabilities, including a high-severity remote-crash bug that lingered for eight years
Bitcoin Core disclosed five node vulnerabilities patched in earlier releases, led by a high-severity use-after-free crash bug that went unnoticed for roughly eight years.
Bitcoin Core 31.0 ships, with details deferred to the release notes
Bitcoin Core released version 31.0 on April 19, 2026, with a minimal announcement citing bug fixes and directing users to the release notes for details.
Strategy Authorizes Up to $1.25B in Bitcoin Sales, Reversing Saylor's "Never Sell" Pledge
Michael Saylor's Strategy has authorized selling up to $1.25 billion in bitcoin to fund share buybacks after its stock and preferred shares slid to 52-week lows, though no coins have been sold.