Jade Hardware Wallet Unaffected by Coldcard RNG Flaw
Blockstream says its Jade hardware wallet is not affected by the Coldcard random-number generator vulnerability linked to stolen Bitcoin. The flaw could allow attackers to predict wallet seeds, identify funded addresses and sign transactions to drain BTC. Blockstream released Jade firmware 1.0.41 after AI-assisted scans and manual reviews focused on random-number generation and transaction signing. The Jade hardware wallet combines chip noise, timing data, sensor readings and camera noise, then mixes the inputs with SHA-512 to reduce reliance on any single entropy source. Firmware 1.0.41 adds stronger stack protection, updated dependencies, a refreshed runtime environment and audits of sensitive-memory clearing. Blockstream said lower-severity issues are being addressed, with firmware 1.0.42 expected on a shorter development cycle. Users should update promptly. The incident may increase scrutiny of hardware-wallet security, but it has no direct positive or negative price signal for Bitcoin.
Neutral
The news has no direct impact on Bitcoin’s supply, demand or network fundamentals, so its immediate price effect is likely neutral. In the short term, the Coldcard vulnerability could trigger risk-off behavior among wallet users, increase demand for secure self-custody products and cause limited selling by concerned holders. However, Blockstream’s statement that Jade is unaffected and the release of firmware 1.0.41 may reduce contagion fears. Over the longer term, greater scrutiny of random-number generation, seed creation and transaction-signing code could improve confidence in hardware wallets and support self-custody adoption. That may be constructive for the broader Bitcoin ecosystem, but it is unlikely to create a measurable BTC price catalyst by itself. Traders should monitor further exploit reports, emergency security notices and changes in exchange or wallet-related flows.