Flash News List

List of Flash News about BTC security

Time Details
2026-08-04
11:12 UTC
Coldcard: Entropy Flaw Exposed in Bitcoin Wallet

Coldcard Bitcoin exploit tied to entropy in key generation as BTC trades at $64326.47 with bullish MACD golden cross on 4h chart.

Source
2026-08-01
06:50 UTC
COLDCARD: Mk3 Seed Flaw Exposes BTC Wallets

COLDCARD Mk3 users face seed risks after firmware 4.0.1; Mk4/Q/Mk5 safe. Eric Balchunas links incident to Bitcoin ETF security needs amid $63026 BTC price action.

Source
2026-07-30
22:18 UTC
Coldcard: $38M BTC Stolen via Wallet Flaw

Coldcard wallet vulnerability drains 594.48 BTC worth $38.2M from 500 wallets to bc1qnk, Bitcoin trades at $64388.89 in bearish structure.

Source
2026-06-01
12:18 UTC
Foundation Devices: Launches Passport Prime for Bitcoin

Foundation Devices Passport Prime secures Bitcoin and AI agents as VanessaGrellet shares Jacob Brown podcast on sovereign security.

Source
2026-04-21
07:58 UTC
Blockstream: Unveils PQ Signature for Bitcoin

Blockstream's Nickler details OP_CHECKSHRINCS for Bitcoin post-quantum security, boosting BTC quantum resistance amid rising crypto market trends.

Source
2026-04-18
07:53 UTC
Bitcoin: Quantum Threat Q-Day Explained

Bitcoin faces quantum computing risks on Q-Day, threatening BTC security amid $76107.69 price and bullish trends in crypto market analysis.

Source
2025-11-24
18:35 UTC
Bitcoin (BTC) 'Wrench Attack' Report in Canada: Security Risks and Market Impact for Traders

According to the source, a social post alleges a violent coercion case in Canada targeting Bitcoin holders, consistent with a known attack vector referred to as a 'five‑dollar wrench attack.' source: the provided social post; Wikipedia - Five-dollar wrench attack. The post does not include official police or court documentation, so the claims cannot be independently verified here; traders should await confirmation from Canadian law enforcement releases or court filings before drawing conclusions. source: the provided social post; RCMP and provincial court public records are the appropriate official verification sources. For market context, high-profile custody and security scares have historically coincided with increased interest in self-custody following risk shocks, such as the surge in hardware wallet sales after the FTX collapse reported by industry executives. source: Ledger CEO Pascal Gauthier public statements (Nov 2022); Trezor/SatoshiLabs press communications (Jan 2023). Traders can monitor on-chain exchange outflows, OTC desk spreads, and BTC options skew for signs of short-term risk repricing if the case is officially confirmed and widely covered. source: Glassnode Academy - Exchange inflow/outflow metrics; Deribit Insights - BTC options skew behavior during stress events. To mitigate physical-coercion risk, institutions commonly employ multisig with geographically distributed keys and use passphrase-based hidden wallets to reduce single points of failure. source: BitGo Institutional Custody documentation; Bitcoin Optech topics - multisig and BIP39 passphrases.

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