Morning Edition · Tuesday, October 27, 2026
Crypto
Aztec discloses a critical V5 flaw that let forged zero-knowledge proofs pass verification, and builds the fix into its V6 upgrade
Core contributors found the soundness bug on July 27 with internal AI-assisted auditing and warned that funds on V5 should be treated as exposed until migration is complete. V6 also carries 30 days of support for the old network.
Tech
OpenAI says an AI system disproved the Exponential Time Hypothesis, and the conjecture's original authors are now reviewing the Lean proof
The claimed algorithm counts 3-SAT solutions in barely subexponential time. That leaves the problems behind blockchain signatures untouched but removes a lower bound that hundreds of complexity results relied on.
Crypto
Attackers use flash loans to seize two of three seats on X100's Senate and drain up to $4.85 million on Ethereum
The governance contract read live staked balances and carried out decisions instantly, and the attacker has since moved 821.2 ether into Tornado Cash. A separate signature-replay attack and several older incidents complete the month's ledger.
Crypto
Vultisig confirms a patched flaw that let one compromised signer extract a full wallet key, as Ledger implant losses reach as much as $102 million
ChainSecurity disclosed that the multi-party wallet ignored a library's stop signal and kept signing. A hidden cellular implant in resold Ledger devices captured recovery phrases from the screen.
Crypto
The OCC gives Ripple final approval for a national trust bank to hold RLUSD reserves and enterprise crypto custody
The same regulator is urging community banks to build stablecoin services before federal licensing rules take effect, and Canada and Japan are setting their own reserve and distribution rules.
Crypto
Grayscale credits Zcash's 20% developer fund for a decade of privacy upgrades as Miden ships a private-finance wallet stack
Grayscale, which sells Zcash exposure, points to formal verification and quantum-recovery features in the Ironwood work. Miden is pitching institutions on client-side proving and a private USDC wrapper.
Crypto
The Optimism Foundation proposes ending token-holder elections for Security Council seats and letting a council lead nominate members
A nominee would take a seat unless opponents gathered 20% of active votable OP. Meanwhile, the total value secured on OP Mainnet fell 13% in a week.
Crypto
Chainlink and Anchorage connect qualified custody to DeFi lending as Aave's native Bitcoin market still settles key payments in WBTC
CustodySync lets institutions borrow on-chain against assets that stay with a federally chartered custodian. Babylon's direct Bitcoin route to Aave bypasses pool funding but leaves fees and debt in BitGo's wrapped token.
Crypto
A Bitquery study finds Solana's faster slots did not reduce bot buying in the first second of new Pump.fun memecoins
Outside wallets bought within about 1.3 seconds in 53% of sampled launches after the final 200-millisecond slot cut, against 52% before it.
Crypto
Kraken's parent seeks to run the first regulated US perpetuals market on Hyperliquid as GPU-rental and traditional-asset perpetuals spread
Payward would serve US clients through the CFTC-registered exchange Bitnomial. Injective listed a 10x perpetual on rental prices for five Nvidia chips, and Binance added traditional-finance contracts.
Crypto
Strategy pauses bitcoin purchases and Bitmine buys back stock as bitcoin trades near $79,600 ahead of the Fed decision
Strive bought 6,182 bitcoin at an average of $82,732. US spot bitcoin exchange-traded funds lost $774 million in two days, and Anthropic's initial public offering filing is competing for risk capital.
Crypto
South Korea weighs a fourth delay of its 22% crypto gains tax to 2029, until US trading data becomes available
Officials worry that users of domestic exchanges would carry the whole burden while holdings on US platforms stay out of view until Washington begins sharing data.