#hardwareWalletSecurity
October 13, 2026 at 8:59 AM
October 9, 2026 at 3:48 PM
A 2021 firmware bug collapsed Coldcard's seed entropy from 128 bits to 40. Five years later, an attacker drained $89M in Bitcoin across 4,585 #hardwarewalletsecurity
Coldcard’s Entropy Bug Exposed a Hidden Weakness in Hardware Wallet Security
hackernoon.com
August 16, 2026 at 9:24 AM
US Spot Bitcoin ETFs Record Best Weekly Inflows Since April, Topping $1 Billion

US spot Bitcoin ETFs pulled in roughly $1 billion in net inflows this week, their best performance since April and third-strongest week since October…

#bitcoin #coldcard #etf #hardwarewalletsecurity
US Spot Bitcoin ETFs Record Best Weekly Inflows Since April, Topping $1 Billion
US spot Bitcoin ETFs pulled in roughly $1 billion in net inflows this week, their best performance since April and third-strongest week since October, as institutional demand rebounded and a major Coldcard hardware wallet hack renewed debate over self-custody risks.
fxcrypto24.com
August 8, 2026 at 6:50 PM