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Crypto Security News
Crypto news, in-depth analysis and latest market developments tagged Security.
Latest this week: MetaMask Patches Privacy Flaw That Kept External Servers Connected After Users Opted Out
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- November 13, 2026 at 10:28 PM UTC
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Latest Articles
MetaMask Patches Privacy Flaw That Kept External Servers Connected After Users Opted Out
A MetaMask fix published Nov 12 stops Snaps that kept connecting to Bitcoin network and price servers after users disabled Basic Functionality.
BTCBitcoin (BTC) Core Discloses CVE-2025-62861 Bug That Could Halt Block Building
Bitcoin (BTC) Core disclosed CVE-2025-62861 on November 10. The high-severity mempool bug hit versions 28.0 to 29.1 and was patched in October 2025.
BTCConsensys Discloses gnark Flaw That Could Forge Ethereum (ETH) Proofs, Rated 7.5
Consensys disclosed a 7.5/10 gnark flaw that could let forged Ethereum proofs pass verification. gnark 0.16.5 fixes it; no exploitation has been observed.
ETHBitcoin (BTC) Public-Key Exposure Hits 35.4% of Issued Supply
No quantum attack on Bitcoin (BTC) has been recorded, yet the share of coins a future one could reach keeps widening. On-chain data published on Nov. 10 puts the supply behind visible public keys at 7.12 million coins, or 35.4% of the circulating supply.
BTCSlowMist Warns Ethereum (ETH) Users of Swarm Supply Chain Attack via GitHub
A supply chain attack on the Swarm storage project reached Ethereum (ETH) users through the channel they are trained to trust: the official software update.
ETHBinance's Yi He Flags Five USDT Deposit Types Facing Freezes
Binance co-founder Yi He told Chinese-speaking users on Sunday, November 8, to keep five categories of Tether (USDT) away from the exchange: discounted tokens bought from friends, coins received through relatives, proceeds from doing business in Myanmar, payments collected in Cambodia and funds…
BNB Chain Urges BSC-Reth Node Operators to Install v0.1.4-hotfix
BNB Chain's v0.1.4-hotfix fixes a BSC-Reth state-root bug with no hard fork needed, while the Red Alarm tool keeps flagging risky dapps for users.
BNBDogecoin (DOGE) Contributor Mishaboar Flags Social Signing as Wallet Security Risk
A Dogecoin (DOGE) community voice has called out social signing as a security hazard, and his warning arrived after the main infrastructure vendor behind such logins had already pulled its service offline.
DOGEBNB Chain's Red Alarm Flagged 445 Risky Apps in 2023 Records
BNB Chain records show DappBay's Red Alarm helped identify 445+ high-risk apps and projects by July 14, 2023, with stated limits on the list's coverage.
BNBCory Fields Proposes 3 Mechanisms to Deter Quantum Theft of Bitcoin (BTC)
Bitcoin (BTC) Core developer Cory Fields has put forward three mechanisms designed to make quantum-based theft economically irrational before such attacks become technically possible. The proposal, dated November 7, introduces designs named Quantum Landmines, Staked Auction and Sats Auction.
BTCParadigm CTO Ships Reth v2.10.0 Fix for Ethereum (ETH) State Root Bug
Paradigm's CTO patched Ethereum client Reth after a fuzzing test found a state root flaw. Fixes shipped as Reth v2.10.0, OP Reth v2.8.1 and Base v1.5.3, with no fund losses confirmed.
ETHFilecoin's filecoin-pin Ships 1.1.1 Patch for CVE-2026-62300 DoS Flaw
Filecoin's filecoin-pin tool carries denial-of-service flaw CVE-2026-62300, scored 6.5 of 10. Fix version 1.1.1 is out; exposed servers still need operator action.
FILZcash (ZEC) Co-Founder Eli Ben-Sasson Warns AI Could Threaten Crypto Keys Before Quantum
Zcash co-founder Eli Ben-Sasson warns AI could strain wallet cryptography before quantum computers, urging hash-based standards like ZK-STARKs.
ZECOpenAI's Autonomous Model Produced 291 Working Exploits in Linux Security Test
An OpenAI test produced 291 working exploits autonomously on Linux. XRP Ledger architect David Schwartz says his exit from active development was well timed.
WLDMazrael Warns SHIB Holders of DarkSword iOS Exploit on iOS 18.4–18.7
DarkSword, an iOS exploit chain targeting iOS 18.4 to 18.7, can steal wallet data; the Shiba Inu community urges updates and wallet migration.
SHIBCZ Warns of Fake Trust Wallet Site Supporting 3 Major Wallets
CZ warns of a fake Trust Wallet site at trastwallet.cam that scans balances, while unconfirmed reports claim $1.1 million lost to an iOS 18.5 exploit.
TWTOX Security Traces PolinRider Malware's Server Hiding to Ethereum (ETH), 4 IPs Found
OX Security says the PolinRider malware hid server addresses in Ethereum (ETH) transaction data via hijacked npm packages, risking wallet and login data.
ETHLightning Dev Kit Patches Bitcoin (BTC) Channel-Tracking Flaw Merged October 25
Lightning Dev Kit patched a flaw that linked private Bitcoin channels to on-chain transactions, with the fix merged October 25 and disclosed October 30.
BTCSolana (SOL) Co-Founder Yakovenko Recommends Lockdown Mode Phone to Beat Phishing
Solana co-founder Anatoly Yakovenko has placed phishing and social engineering at the top of the risk list for cryptocurrency holders, arguing that the gravest danger is not a technical breakthrough but a convincing message.
SOLVitalik Buterin: AI Could Speedrun 50 Years of Math and Crack Ethereum's Cryptography
Vitalik Buterin warned on November 3 that AI could speedrun 50 years of math in five and break the cryptography securing Ethereum and Bitcoin.
ETH
About SecurityShow more
Security is one of the topics the COINOTAG news desk follows continuously. The latest cryptocurrency news, market developments and breaking headlines related to Security are gathered together on this page. Among the most recent developments are "MetaMask Patches Privacy Flaw That Kept External Servers Connected After Users Opted Out", "Bitcoin (BTC) Core Discloses CVE-2025-62861 Bug That Could Halt Block Building" and "Consensys Discloses gnark Flaw That Could Forge Ethereum (ETH) Proofs, Rated 7.5". Visit this page regularly to follow all the latest news about Security.
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MetaMask Patches Privacy Flaw That Kept External Servers Connected After Users Opted Out (November 13, 2026 at 10:28 PM UTC); Bitcoin (BTC) Core Discloses CVE-2025-62861 Bug That Could Halt Block Building (November 11, 2026 at 03:12 PM UTC); Consensys Discloses gnark Flaw That Could Forge Ethereum (ETH) Proofs, Rated 7.5 (November 11, 2026 at 03:07 AM UTC)