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Crypto Security News
Crypto news, in-depth analysis and latest market developments tagged Security.
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- October 25, 2026 at 11:00 PM UTC
Latest Articles — Page 3
JPMorgan (JPM) Blocks Third-Party AI Agents From Customer Accounts After Dimon's Oct. 13 Warning
JPMorgan, Citigroup and Bank of America are restricting third-party AI agents from customer accounts; Wells Fargo's new access terms take effect Nov. 24.
JPMCryptoquant CEO Ki Young Ju Says Bitcoin (BTC) Fund Flows Echo Past Bull Cycles
Cryptoquant chief executive Ki Young Ju says Bitcoin (BTC) is flashing a bull-market signal in its latest capital-flow data, and he ties that reading directly to renewed inflows into spot ETFs.
BTCProject Eleven CTO Warns AI Could Break Bitcoin (BTC) Crypto Before 2030 Quantum Threat
Project Eleven's CTO warns AI could crack Bitcoin (BTC) cryptography before quantum computers can, though no deployed cipher has been broken to date.
BTCCZ Warns AI Can Threaten Bitcoin (BTC) Without Breaking Its Cryptography
Binance co-founder Changpeng Zhao, known across the industry as CZ, issued a security warning on Friday, October 23, saying artificial intelligence can threaten crypto assets without ever breaking Bitcoin's cryptography.
BTCTrust Wallet Says Users Need No Action After Critical PHP Vulnerabilities Score 9.2
Trust Wallet says the critical PHP vulnerabilities disclosed this week do not affect its wallet apps or core infrastructure, and users need take no action over the flaws.
TWTBNB Chain Rules Out PHP Exposure After NSA Cyber Flags Critical Vulnerability
BNB Chain told users on Thursday, October 22, 2026, that its technology stack contains no PHP, responding within hours to a security warning issued by the cyber arm of the United States National Security Agency.
BNBNEAR Co-Founder Illia Polosukhin Warns of “Security Armageddon” Across the Internet
NEAR co-founder Illia Polosukhin warns of “Security Armageddon” across internet software, citing PHP, Node.js and LiteLLM flaws as NEAR slips 3.8%.
NEARPolkadot (DOT) Community Foundation Warns of 20-Month Fearless Wallet Key Leak
The Polkadot Community Foundation told anyone who used the Fearless Wallet browser extension at any point since February 19, 2025 to treat every account holding Polkadot (DOT) or any other asset in it as compromised and move the funds straight away.
DOTSlowMist Warns Bitcoin (BTC) Platforms of PHP Flaws Scoring 9.2 Out of 10
Blockchain security firm SlowMist has issued a critical warning that reaches every major custody point in the Bitcoin (BTC) ecosystem, covering centralized exchanges, wallet providers and Bitcoin DeFi platforms that run online servers.
BTCDavid Schwartz Names Two Scenarios That Could Halt the Ledger After Slowdown
XRP Ledger transactions slowed but the network never halted. David Schwartz says only global validator loss or a consensus code fault could stop it entirely.
XRPArthur Hayes Warns 6.9 Million Bitcoin (BTC) Sit Exposed to Future Quantum Attacks
The security weakness Arthur Hayes worries about most in Bitcoin (BTC) is not the quantum computer itself but a plain wallet habit: using the same address over and over.
BTCFidelity's FCAT Flags Solana (SOL) Stake Concentration After 2 Years of Zero Mainnet Outages
Fidelity's FCAT reports Solana (SOL) ran two years without a mainnet outage but warns that stake, hosting and client software concentration still threatens the record.
SOLDavid Schwartz Warns XRP Holders of Scam Link Asking for 12 or 24-Word Phrases
David Schwartz warns XRP holders of a fake SecuX notification with a scam link asking for 12 or 24-word seed phrases.
XRPJPMorgan (JPM) Blocks Outside AI Agents From Customer Accounts at Its $5.1 Trillion Bank
JPMorgan will block outside AI agents from customer accounts, Jamie Dimon said Tuesday on the Q3 earnings call, citing rogue-agent security risks.
JPMGoogle Quantum Chip Cuts Error Rate 40x, Raising Stakes for Bitcoin (BTC) Q-Day
Google Quantum AI said Thursday that researchers running its Willow quantum processor have demonstrated a technique called magic state cultivation, cutting error rates by a factor of 40 against quantum states that never pass through the process.
BTCCoinbase, Custodian of 5% of Bitcoin (BTC), Proposes Phased Quantum-Security Migration
Coinbase, which custodies roughly 5% of all existing Bitcoin (BTC), published a technical paper on Tuesday, October 13, urging developers to start preparing now for quantum computing threats, a transition the company expects could take several years.
BTCLedger Emergency Patch Closed a Bug That Could Have Minted 18.5 Trillion Tokens
The route ran through the order book. An attacker could line up offers with specially chosen prices on the exchange built into the XRP Ledger so that the payment engine's accounting overflowed, allowing spendable XRP to appear that the ledger had never created.
XRPAI Models Give Bitcoin (BTC) Up to 76% Crack Risk by 2046
AI models put up to 76% odds on Bitcoin's cryptography being cracked by 2046 as quantum computing advances, with near-term risk held at just 0-2%.
BTCRippleX Patches XRP Supply Bug That Could Have Minted Tokens Past the 100 Billion Cap
A critical XRP Ledger bug could have minted XRP beyond the 100 billion supply cap. RippleX fixed it in xrpld 3.4.1 and found no mainnet exploitation.
XRPOpenAI's 722 AI Math Papers Put Bitcoin (BTC) Signature Security Under Scrutiny
OpenAI's 722 AI math papers, 162 passing Lean verification, spark debate over Bitcoin (BTC) elliptic-curve signatures and emergency recovery plans.
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