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Nathan Here - Quick Video on Upgrading the Firmware and Migrating. One options, not the only option but one to get to a better spot. 1. Confirm Seed Phrase Backup 2. Upgrade Firmware 3. Wipe Seed 4. Generate New Seed From New Firmware 5. Migrate to New Wallet using...

41,582 views • 1 month ago •via X (Twitter)

34 Comments

WiiMee's profile picture
WiiMee1 month ago

Serious question: How on earth would anyone trust that device generating anything ever again?

regularmike's profile picture
regularmike1 month ago

Everyone throwing their Coldcards in the garbage. You know this.

WorldWideCobweb's profile picture
WorldWideCobweb1 month ago

generate your own damn entropy should be the lesson here.

Gareth Ellis 🏴󠁧󠁢󠁥󠁮󠁧󠁿 🫖 🐝's profile picture
Gareth Ellis 🏴󠁧󠁢󠁥󠁮󠁧󠁿 🫖 🐝1 month ago

I can't imagine anyone using coldcard ever again.

Mos Dafe's profile picture
Mos Dafe1 month ago

Are you retarded? Why the fuck would anybody in their right mind go back to coldcard to generate their new seedphrase? You need to get your head examined and off that coldcard kickback money

Sojourner's profile picture
Sojourner1 month ago

Or throw it in the trash! I’m going with remove the coins and trash it!

Hwill the bitcoiner's profile picture
Hwill the bitcoiner1 month ago

🤔

Matt ₿'s profile picture
Matt ₿1 month ago

Where do you put the “temp” seed. Say I have my keys, wipe/reset coldcard with new seeds. How do I send bitcoin from old seed to new (if I only have 1 hardware wallet)

ProofOfCash ⚔️ URSF 🟥's profile picture
ProofOfCash ⚔️ URSF 🟥1 month ago

I don't think people are going to keep using them lol

DesertHawk's profile picture
DesertHawk1 month ago

How will this incident affect your ad reads for Coldcard in the future?

Lostmy Boat's profile picture
Lostmy Boat1 month ago

No. Not going to trust that source. Moved on spent my money on them Told my friends & family to spend money on them. There will be better otions for this Vendors will make multisig from other vendors easy to setup. A multi vendor multisig with passphrase You are your bank

DumbMoney's profile picture
DumbMoney1 month ago

Trust tree is still on fire. You’re trying to rebuild on the same tree😂

hodlocache 🇺🇦⚡️₿itcoin's profile picture
hodlocache 🇺🇦⚡️₿itcoin1 month ago

You’ve literally promoted this shit for years.

D E C E N T M O N E Y's profile picture
D E C E N T M O N E Y1 month ago

I think its bad advice to upgrade the firmware and still use its own seed generation process You’re still trusting it to generate sufficient entropy Normalise generating your own entropy with 100x dice rolls

Roucas 🇸🇻's profile picture
Roucas 🇸🇻1 month ago

ColdCard is dead

Bold ₿ Wallet's profile picture
Bold ₿ Wallet1 month ago

Appreciate the effort to help users migrate safely — this is important for protecting Bitcoiners today. But the bigger question for the ecosystem is: why should self-custody require every user to correctly execute a complex emergency procedure after a key generation failure? We need to keep improving education, UX, and security architecture together. The next generation of wallets should reduce catastrophic single points of failure, not just teach users how to recover from them.

Jim Hoffman's profile picture
Jim Hoffman1 month ago

Cuirious - in the event they are able to recover the stolen coins - if people destroy the wallet - how do they prove the coins where theirs and how much?

Bitcoin Mentor's profile picture
Bitcoin Mentor1 month ago

@COLDCARDwallet @Coinkite @HodlDee

Hatingon₿oomers ⚡️🟠's profile picture
Hatingon₿oomers ⚡️🟠1 month ago

The best option is using another wallet, time to take bitcoin seriously or get rugged again

Millie's profile picture
Millie1 month ago

what cold wallet is recommended now?

Giles 🐭's profile picture
Giles 🐭1 month ago

do you not need to roll the dice in creating the new 12/24 seed phrase on the latest firmware ? - you didnt in the video

Psantos's profile picture
Psantos1 month ago

I don´t understand why you would recommend generating the seed from the new firmware, even considering it's "fixed". Generating the seed (even with Coldcard´s dice feature) from the same device that will keep it is just bad practice. Instead

colin czerwinski's profile picture
colin czerwinski1 month ago

This is a bad move. Generate new seed phrase rolling dice. Get off the coldcard and use another hardware wallet for the new seed

Matador Technologies's profile picture
Matador Technologies1 month ago

As Nathan rightly points out, updating the firmware does not repair an already generated seed; that is why the protocol requires updating, wiping, generating a brand-new seed on the patched firmware, and migrating funds safely

Giles 🐭's profile picture
Giles 🐭1 month ago

Also - i have a cold card q with affected firmware, but i rolled the dice 150x on seed creation - how vulnerable would i be ?

sovereign jim's profile picture
sovereign jim1 month ago

Thanks for this Nathan! Quick question: does the MK4 also have the temporary seed mode (stored in RAM)?

Chris Knight's profile picture
Chris Knight1 month ago

Appreciate you fellas.

₿'s profile picture
1 month ago

Best option dump Coinkite

サワキ オロク's profile picture
サワキ オロク1 month ago

Dont do this. You risk bricking your coldcard with the update. Just send it to another wallet you make with a new seed key from another platform.

₿Scobar's profile picture
₿Scobar1 month ago

just move NOW the btc out of any coldcard every coldcard is compromised

Victor's profile picture
Victor1 month ago

Can users just make a new passphrase wallet but with old seed?

비트코인 레전드's profile picture
비트코인 레전드1 month ago

firmware is firmware. It’s time to study dice.

Edward McGowan's profile picture
Edward McGowan1 month ago

Solid operational security workflow for clean wallet hygiene. If you want smart crypto self-custody guides, @lynn_v1 is a great follow.

Chris's profile picture
Chris1 month ago

Seriously, for a newish bitcoiner, this is disheartening. This event, on top of potential chain fork due to BIP-110, has me thinking of precious metals again. 🤷

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