🚨 Coldcard MK3 seed-generation vulnerability Users who created their seed on an ...

2026-07-31 16:59:32 UTC

🚨

Coldcard MK3 seed-generation vulnerability

Users who created their seed on an affected device should check their firmware, create a new secure wallet, and consider moving their BTC immediately.

#Bitcoin #Coldcard #HardwareWallet #BitcoinSecurity #BTCWindow

Author Public Key

npub1q6hd8u3h8szm6t5y0z9lh9a3wy0puwfax72xj4c2tu3qyqj5938scug7l7

Seen on

wss://nostr.mom

Show more details

Published at

2026-07-31 16:59:32 UTC

Kind type

1 Short Text Note

Event JSON

{ "id": "07b9a65506a72d93ed5ee4ee8b1b4c9929846efb16d1c084a5cc20ccc47ad317", "pubkey": "06aed3f2373c05bd2e84788bfb97b1711e1e393d379469570a5f220202542c4f", "created_at": 1785517172, "kind": 1, "tags": [ [ "alt", "A short note: 🚨 https://npub1q6hd8u3h8szm6t5y0z9lh9a3wy0puwfax7..." ], [ "t", "Bitcoin" ], [ "t", "bitcoin" ], [ "t", "Coldcard" ], [ "t", "coldcard" ], [ "t", "HardwareWallet" ], [ "t", "hardwarewallet" ], [ "t", "BitcoinSecurity" ], [ "t", "bitcoinsecurity" ], [ "t", "BTCWindow" ], [ "t", "btcwindow" ], [ "r", "https://npub1q6hd8u3h8szm6t5y0z9lh9a3wy0puwfax72xj4c2tu3qyqj5938scug7l7.blossom.band/046dd714ba17e3cd286dea6906553eb41ccb6b0d8d0c5283df9fad898ba65bec.jpg" ], [ "p", "06aed3f2373c05bd2e84788bfb97b1711e1e393d379469570a5f220202542c4f" ], [ "imeta", "url https://npub1q6hd8u3h8szm6t5y0z9lh9a3wy0puwfax72xj4c2tu3qyqj5938scug7l7.blossom.band/046dd714ba17e3cd286dea6906553eb41ccb6b0d8d0c5283df9fad898ba65bec.jpg", "x 046dd714ba17e3cd286dea6906553eb41ccb6b0d8d0c5283df9fad898ba65bec", "size 202568", "m image/jpeg", "dim 1122x1402", "blurhash _6AcVk%1H=n459o2I;-;$ewHEkxZxZIp};RjRPShxtkCNH^jELNGxtI=t6xDJUnNsmKQ$zsRjF%1R+NaxaRkNHxZM{w]XTtRNIjYslWD=YofbcslNaWB$$nhNb-nI;WCof", "ox 046dd714ba17e3cd286dea6906553eb41ccb6b0d8d0c5283df9fad898ba65bec" ], [ "client", "Amethyst" ] ], "content": "🚨 https://npub1q6hd8u3h8szm6t5y0z9lh9a3wy0puwfax72xj4c2tu3qyqj5938scug7l7.blossom.band/046dd714ba17e3cd286dea6906553eb41ccb6b0d8d0c5283df9fad898ba65bec.jpg Coldcard MK3 seed-generation vulnerability\n\nUsers who created their seed on an affected device should check their firmware, create a new secure wallet, and consider moving their BTC immediately.\n\n#Bitcoin #Coldcard #HardwareWallet #BitcoinSecurity #BTCWindow", "sig": "9c95d56f26773e3961ed6a9c17b72ab871d0518666569b2aee398418c8eb1745c7a9627eef9e16797f28c014ea139e7c3fe921ecae63e89b4f6696ff3ec9c32d" }

npub1q6…ug7l7 on Nostr: 🚨 Coldcard MK3 seed-generation vulnerability Users who created their seed on an ...