Topic Archive

#Cryptocurrency security

30 Stories Found

Coins•Nov 5, 2026

OpenAI Says Its AI Can Exploit Linux at Scale: What It Means for Crypto

Key Highlights: OpenAI utilized artificial intelligence to discover 948 software vulnerabilities, spending $1.2 million to uncover flaws hypothetically valued between $18.9 million and $66.3 million based on hacking contest standards. While OpenAI did not specifically reference cryptocurrency, the findings heavily impact blockchain networks like Ethereum, where roughly two-thirds of nodes operate on Linux infrastructure. Industry ...

4 min readRead

Coins•Nov 1, 2026

BTCPay Server Urges Users to Shut Down Following Reports of Hot-Wallet Sweeps

Key Highlights: BTCPay Server operators are responsible for their own security actions due to the platform’s self-hosted architecture and server-based hot-wallet signing keys. A fresh alert follows an earlier August exploit where attackers stole funds from LND node operators using compromised credentials obtained via a flaw fixed in version 2.4.2. While BTCPay previously stated its ...

4 min readRead

Coins•Nov 1, 2026

AI Agents Bypassed Crypto Spending Limits Without Human Approval, Test Finds

Key Highlights Cornell Tech researchers have highlighted critical security vulnerabilities when artificial intelligence agents share access to the same systems designed to enforce their operational limits. To address this risk, researchers developed Countersign, an open-source mobile prototype for Android and Apple devices that requires verifiable human interaction for transactions. Security experts emphasize that without cryptographically ...

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Coins•Oct 31, 2026

Binance Hack Prompts Bitcoin Treasury Firm to Consider BTC Sales

Key Highlights: Next Technology’s board has authorized the sale or pledging of its entire treasury holding of 5,833 Bitcoin in one or more tranches. The decision was prompted by heightened security concerns following an incident at Binance, as well as rising threats from AI-driven attacks and prospective quantum computing capabilities. The company reported no direct ...

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Coins•Oct 30, 2026

Quantum Computing Poses Greater Threat to Crypto Than AI, Warns Coinbase CEO

Key Highlights Advanced quantum machines running Shor’s algorithm pose a future threat to elliptic-curve cryptography, creating risks for exposed public keys across blockchains. Coinbase released a technical proposal outlining core priorities to prepare Bitcoin for post-quantum resistance, including flexible signature schemes and handling dormant coins. Global entities, including Europol and the U.S. National Institute of ...

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Coins•Oct 29, 2026

New Quantum Model Slashes Hardware Needed to Break Bitcoin Keys by 17 Times

Key Highlights Research from quantum computing firm Alice & Bob indicates that Shor’s algorithm could be deployed against cryptographic systems sooner than anticipated, prompting calls for an immediate transition to post-quantum security. A modeled quantum attack on Bitcoin would currently require approximately 62 minutes—slower than the network’s 10-minute block confirmation window, yet dangerous for exposed ...

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Coins•Oct 29, 2026

AI Analysis Uncovers Three Security Vulnerabilities in Bitcoin Core

Key Highlights: Bitcoin Core developers have revised their security policy in response to the rapid rise of artificial intelligence tools that simplify vulnerability detection. A memory-exhaustion vulnerability affecting node operations was discovered on October 23 and patched by October 27, alongside disclosures regarding two other flaws. There is currently no evidence that any of the ...

3 min readRead

Coins•Oct 28, 2026

Google Makes New Move for Cryptocurrencies as Ethereum and Solana Details Draw Attention

Key Highlights: Google has introduced a new security service designed to safeguard cryptocurrency assets by splitting private keys across separate systems. The architecture enables distributed transaction signing across multi-cloud and on-premises infrastructure, such as Google Cloud, private hardware, and alternative cloud providers. In addition to key management, the platform supports policy enforcement, including transaction transfer ...

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Coins•Oct 27, 2026

Renowned Bitcoin Advocate Nic Carter Issues Warning: “It Will Definitely Happen Within 10 Years”

Key Highlights: Venture capitalist Nic Carter has accelerated his quantum computing forecast, projecting that quantum capabilities will reach critical cryptographic thresholds within the next decade. Carter advocates for proactive Bitcoin network upgrades via a soft fork to post-quantum signatures, alongside a controversial proposal for the U.S. government to secure dormant early coins, including those belonging ...

5 min readRead

Coins•Oct 25, 2026

Foundation Links Passport Phishing Emails to Compromised Cloudflare API Keys

Key Highlights: Phishing emails targeting Foundation hardware wallet users have surfaced, containing accurate personal and purchase records such as names, addresses, and transaction histories. Attackers impersonated the official email address hello@foundation.xyz, attempting to trick recipients into revealing recovery seed phrases by claiming funds on their Passport devices were at risk. Foundation confirmed it is actively ...

4 min readRead

Coins•Oct 24, 2026

Keystone Hardware Wallet Website Breach Exposes Customer Data

Key Highlights Hardware wallet manufacturer Keystone has patched a system vulnerability, blocked unauthorized access, and begun notifying affected customers directly via email. The firm issued an alert warning users against phishing schemes, highlighting that fraudsters may impersonate Keystone representatives offering refunds, replacement hardware, or shipment support. The incident adds to a growing wave of supply ...

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Coins•Oct 20, 2026

Crypto Hacks Surge 55% to $1.2B as Private Key Thefts Drop 30%

Key Highlights: Major September crypto security breaches at Bitget and the Liquid Network demonstrated distinct architectural breakdowns across instruction integrity, proof validation, and release mechanisms rather than direct private-key theft. Bitget suffered approximately $388 million in unauthorized transfers after attackers abused compromised privileged internal credentials to inject forged withdrawal instructions into otherwise secure custody environments. ...

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