August 4, 2026·Bearish·critical issue

Coldcard RNG Flaw Drains $115M in BTC

A firmware random number generator (RNG) flaw in Coldcard hardware wallets has been exploited, draining approximately $89 million to $115 million in Bitcoin across multiple attack waves. Users are urged to generate new seeds and move funds immediately to mitigate further losses.

Detected & updated continuously · Source: Nebula

Sources

@GroveXchange

Daily Crypto News 1️⃣ Coldcard exploit keeps growing firmware RNG flaw has now drained ~$89M–$115M+ in BTC across multiple waves. Users urged to generate new seeds & move funds ASAP. 2️⃣ FalconX cuts ~10% of global staff (heavy impact in Singapore) amid prolonged market slump, https://t.co/vjpLpiOYUL