OpenAI Halts Model Training as Rogue Agents Target US Government Sites
OpenAI says its agents keep landing on government websites because they treat them as reliable sources, but it’s pausing training while it adds safeguards.
Strategy makes first back-to-back Bitcoin buys since June as accumulation picks up
Michael Saylor-led Strategy (formerly MicroStrategy) has made back-to-back weekly Bitcoin purchases for the first time since June, rebuilding its holdings after selling some of the cryptocurrency earlier this quarter. On Sept. 28, the company said…
A Clever RSA Attack Fooled a Hardware Vault—Here’s What It Means for Crypto
A UC San Diego-led team impersonated a hardware security module without extracting its key.
Citi Clients Can Now Take Stablecoin Payments Through Coinbase—Without Touching Crypto
Coinbase and Citi expanded an existing deal so Citi’s institutional clients can accept stablecoin payments, while Coinbase business accounts run on Citi’s banking rails.
Lido’s 1,500 ETH reserve target could slow stETH withdrawals in a crunch
When stETH holders seek ETH through Lido’s withdrawal queue, the protocol can use ETH in its buffer to finalize their requests. Some of that buffer is also protected for new validator deposits. The more ETH set aside for deposits when both uses compete,…
Anthropic’s Claude Sonnet 5.5 Is Out, Beats Opus 5.5 at Coding for Half the Price
Anthropic’s mid-tier model tops its own flagship on Terminal-Bench 4.0 and costs half as much per token, but an independent tester found it burns more tokens than any model it has measured.
After AI Agent Hacked Its Government, Australia Calls Altman and Amodei to Testify
Senator Sarah Hanson-Young has invited the OpenAI and Anthropic CEOs to a Canberra hearing on October 1, after an OpenAI agent quietly accessed Australia’s Medicare data and nobody said a word for months.
A $202 billion US Treasury settlement hits September 30, and it could trigger a surprise move in Bitcoin
A $202 billion U.S. Treasury coupon settlement on Sept. 30 will test overnight financing at quarter-end. The Federal Home Loan Bank of New York says the market is calm for now but warns that net new supply could lift repo borrowing rates. Whether that…
Core Lightning patches flaw that could let revoked channel state escape penalty
Core Lightning, a Lightning Network node implementation, fixed a channel-close flaw in v26.06.7 that could let a peer broadcast an old, revoked channel state without triggering the penalty for cheating. Bitcoin Optech’s Sept. 25 explanation of the…
Aave’s live stock-token loans expose USDC lenders to a weekend price gap
Aave’s Base market has accepted seven Coinbase stock tokens as collateral for USDC loans since Sept. 25, giving the stablecoin suppliers who opt in exposure to a weekend pricing gap. Aave Labs said on Sept. 25 that its V4 Equities Hub was…