Topic Archive

#Cryptocurrency security

23 Stories Found

Coins•Oct 14, 2026

Coinbase, Holding 5% of All Bitcoin, Urges Immediate Action on Quantum Threat

Key Highlights Current Bitcoin cryptographic standards, specifically ECDSA and Schnorr, face future vulnerabilities from cryptographically relevant quantum computers (CRQCs). Google researchers indicate that quantum computers capable of reverse-engineering private keys from public keys could materialize as early as 2029. Cryptocurrency exchange Coinbase emphasizes that adopting post-quantum (PQ) cryptography requires resolving complex constraints, including block space ...

4 min readRead

Coins•Oct 12, 2026

Ledger Hardware Wallets Sold in Europe Alleged to Contain Spyware

Key Highlights: Hardware wallet manufacturer Ledger is facing scrutiny after reports emerged of devices allegedly altered with unauthorized components, including an LTE module. A customer reported that two units bought through a major retail network spanning 11 European countries featured unexpected modifications intended to exfiltrate user data. One compromised unit has been sent to former ...

4 min readRead

Coins•Oct 10, 2026

Adam Back Takes Aim at Ethereum: ‘Almost Like Satoshi Knew Something’

Key Highlights: Blockstream CEO Adam Back defended Bitcoin’s Unspent Transaction Output (UTXO) model, asserting that creator Satoshi Nakamoto demonstrated a deep understanding of distributed systems compared to Ethereum’s account-based framework. Ethereum researcher Justin Drake cautioned the cryptocurrency sector to prepare for “bunker mode,” warning that artificial intelligence could breach the cryptographic foundations of Bitcoin and ...

5 min readRead

Coins•Oct 10, 2026

Security Vulnerability Discovered in Popular Altcoin Halts Block Production

Key Highlights The Ontology network has temporarily suspended block production following an agreement among the vast majority of its consensus nodes. The proactive shutdown was initiated to investigate emerging potential threats and safeguard the network against potential harm. Block production will remain paused until investigators determine that sufficient progress has been achieved and that a ...

3 min readRead

Coins•Oct 9, 2026

XRP Releases Major Update Targeting Wall Street Giants

Key Highlights: The XRP Ledger has launched the PermissionDelegationV1_1 feature, enabling protocol-level authority delegation for institutional users. The system allows financial institutions to keep master keys in cold storage while granting limited, role-specific operational permissions to everyday accounts. Activated after securing the required 80% validator consensus, the functionality operates natively without relying on smart contracts ...

4 min readRead

Coins•Oct 9, 2026

Ledger Investigates Potential Wallet Tampering After Reported $86M Crypto Theft

Key Highlights: Ledger has instructed official reseller CryptoBilis to halt sales and shipments amid an active investigation into potential device-related security issues. Users who acquired devices from the vendor within the last 90 days are advised to hold off on setup or migrate funds to a freshly generated recovery phrase if already in use. While ...

4 min readRead

Coins•Oct 9, 2026

Zcash Developers Target January for Quantum-Resistant Payments After ‘bunker mode’ Scare

Key Highlights Ethereum researcher Justin Drake warned that artificial intelligence could breach standard wallet mathematics in a worst-case timeline of “in months, not years,” urging a transition toward defensive “bunker mode” strategies. Discussions around cryptographic security gained traction as Zcash developers explored protections such as fresh addresses and proposed signatures to safeguard transparent balances before ...

4 min readRead

Coins•Oct 8, 2026

Bitcoin Falls Below $83,000 as Ethereum Researcher’s ‘Bunker Mode’ Call Divides Crypto Community

Key Highlights: Bitcoin extended its price decline to around $82,300 before recovering slightly to $82,800, sliding roughly 4% from Tuesday’s high. Ethereum Foundation researcher Justin Drake urged crypto users to prepare for “bunker mode,” warning that artificial intelligence could potentially break elliptic-curve cryptography in “months not years.” Ethereum co-founder Vitalik Buterin and Jan3 CEO Samson ...

4 min readRead

Coins•Oct 8, 2026

Justin Drake Urges Crypto to Plan for ‘Bunker Mode’ as AI Math Threatens ECDSA

Key Highlights: Justin Drake warns that cryptographic vulnerabilities may arise within months, pointing to rapid breakthroughs in AI-generated mathematics rather than solely waiting for quantum hardware. AI models from OpenAI and Anthropic are already demonstrating unprecedented mathematical analysis, potentially threatening elliptic-curve cryptography and RSA using classical computers. Europol highlights crypto wallets as the primary attack ...

5 min readRead

Coins•Oct 7, 2026

Ethereum Developer Issues Urgent Warning: “All Cryptocurrency Holders Must Do This”

Key Highlights Ethereum researcher Justin Drake warned that the ECDSA digital signature algorithm could potentially be broken on classical hardware accelerated by AI breakthroughs, well ahead of the anticipated quantum “Q-Day.” In a worst-case scenario, large GPU clusters could derive private keys in roughly one week, putting exposed Bitcoin public keys and critical Web3 signing ...

5 min readRead

Coins•Sep 14, 2026

NEAR Protocol Highlights Need for Data Privacy

NEAR Protocol took to social media to assert that any system holding identities is a potential exposure point. The project emphasized that confidentiality should be a baseline expectation, particularly for financial and AI systems. The statement reflects mounting concerns about data privacy across the cryptocurrency sector. Community Response Signals Growing Privacy Focus The protocol’s recent ...

2 min readRead