Morning Edition · Tuesday, August 4, 2026
Crypto
Coldcard Seed Flaw Losses Pass $114 Million as Attackers Keep Sweeping Wallets
A build error routed seed generation through a software random number generator. That cut the randomness in each seed (its entropy) to as low as 40 bits on older devices, leaving thousands of wallets an attacker can reconstruct offline.
Crypto
Aztec Activates Alpha V5, Halving the Cost of a Fully Private Ethereum Transaction
The upgrade cuts private proving times by more than half and keeps proof generation on the user's own device. Rival Miden is offering institutions a compliance layer that never holds their keys.
Crypto
Strategy Sells $395 Million of Bitcoin and Stock to Defend Its Preferred Shares
The company's 2026 disposals now total 5,258 bitcoin. Proceeds funded an $81 million repurchase of STRC preferred shares and a cash reserve targeted at $4 billion.
Crypto
Crypto Market-Structure Bill Slips Off the Senate Calendar as Recess Approaches
Senate Majority Leader John Thune still expects a vote this week, but the CLARITY Act is absent from the floor schedule and lawmakers break for more than a month.
Crypto
Exploit Researchers Publish Working Attacks on a Lending Pool and a Base Forwarder Contract
The new proof-of-concept code covers spot-price manipulation at LpdFi and an unprotected arbitrary-call contract on Base, with a recorded loss of about 16.62 ether. In July, stolen keys rather than contract bugs caused the largest losses.
Crypto
Bitcoin Wallets Dormant Since 2013 Are Moving Coins Again
One 12-year-old wallet shifted $31 million on Monday, part of a wave of old-coin movement that began after the Coldcard theft and now complicates the reading of on-chain supply.
Crypto
Former FBI Agent Charged With Stealing About $1 Million in Crypto From Investigated Wallets
Prosecutors say the supervisory agent, who held top secret clearance at headquarters, used keys found during investigations and asked ChatGPT how to spend the money and move to Europe.
Geopolitics
EU Transaction Ban on HTX Takes Effect August 23 With No Clear Exit for Corporate Accounts
Businesses under EU jurisdiction must end dealings before the cutoff. After that date, withdrawals require discretionary approval alongside a full exit from the exchange.
Crypto
BlackRock Launches Tokenized Money Market Funds Built to Back Stablecoins
Both funds aim to qualify as eligible reserve assets under the GENIUS Act. On the same day, Morgan Stanley cut Circle to a lower rating partly because tokenized cash competes with USDC.
Macro
Coordinated US-Japan Yen Intervention Puts the Carry Trade Back in Crypto's Risk Picture
The yen rose sharply after the joint action, though bitcoin's recent correlation points to dollar strength rather than carry unwinding as the more immediate pressure.
Crypto
BitMine's Ether Holdings Reach 4.8% of Supply as an Italian Bank Rotates Into Staked Ether
The treasury company added 10,399 ether last week to reach 5.8 million coins. Intesa Sanpaolo cut its bitcoin exchange-traded fund call position by 99% and tripled its staked-ether shares.
Crypto
POAP Shuts Down After Five Years, Leaving Millions of Badges on Chains It No Longer Runs
The attendance-token project cited a funding model it could not sustain. It closed in the same week that prime broker FalconX cut 10% of staff and a listed miner prepared to dilute existing shareholders by about half.