Morning Edition · Sunday, August 23, 2026
Crypto
Coldcard Firmware Now Demands 65 User Key Presses After a Five-Year Seed Defect
The update hardens new wallets, but it cannot repair a seed generated on affected firmware, so holders must create fresh keys and move their coins themselves.
Crypto
Aztec Discloses a Critical Flaw in the Proving System Securing Its Live Privacy Network
Core contributors say an attacker could construct a proof that verifies for a transaction the network should reject, six days after Alpha V5 went live on mainnet.
Crypto
Attacker Hijacks Delegate Rights on The Sandbox's Cross-Chain Token and Mints Unbacked SAND
The gaming network disabled bridging to Base and BNB Smart Chain and said the direct impact was under 0.01% of supply, though researchers put the actual extraction near $675,000 against tens of billions of dollars in face-value tokens.
Crypto
Grayscale's Zcash Fund Filing Proposes a 2.5% Fee as ZEC Trades Above $800
A nonbinding contribution of 200,000 ZEC from a Digital Currency Group unit would leave one affiliated holder with about 34% of the converted fund.
Macro
A Treasury Buyback Adjustment Pulled Yields Off Highs and Set Off the Week's Bitcoin Squeeze
Bitcoin advanced about 25% toward $80,000 before falling back, with roughly $100 million of long positions liquidated in one hour early Sunday as the price fell below $76,000.
Crypto
Miden Will Issue a USDC-Backed Stablecoin That Hides Balances by Default
USDCx uses Circle's xReserve infrastructure for one-to-one backing while transactions stay private, with users able to prove balances selectively to auditors and counterparties.
Crypto
Justin Sun Casts His $45 Million Claim Against World Liberty Financial as a Test of Issuer Freeze Power
The dispute lands as Eric Trump denies rumours of a new family token and a Reuters poll finds 63% of Americans consider the family's crypto earnings inappropriate.
Crypto
A Developer Puts Bitcoin Block Verification at 27 Milliseconds and the Full Chain at 17 GPU Years
Proofs now cover blocks 1 through 1,789, and the compute bill to prove the remaining sixteen years of history is the reason nobody has finished.
Crypto
Crypto Trade Groups Sue Illinois Over a 0.2% Digital-Asset Levy That Is Already in Force
If covered brokers do not collect the charge, the state's rules push the obligation onto individual users, calculated monthly against the value of their total holdings.
Crypto
Strategy's Preferred Shares Stay Below Par as a Crypto Investor Questions the 12% Coupon
Tushar Jain argues the dividend does not compensate holders for another deep bitcoin drawdown, while a separate treasury vehicle asks shareholders to approve dilution of 167% of its share base.
Crypto
MANTRA Restarts After a 30-Hour Halt, and Three Other Incidents Show Where Losses Are Coming From
A shared Cosmos-EVM defect stopped one chain entirely, a payment processor lost $7.9 million to an operational compromise, and a bridge was drained twice through the same code path.
Crypto
South Korea Opens Crypto Accounts to 3,500 Companies While a Founder Warns Tokenized Stocks Repeat a 1960s Failure
Seoul's package pairs corporate exchange access with legal recognition of tokenized securities and deposit-token trials at nine banks, as the standards problem goes unresolved.