Coldcard Bitcoin Hardware Wallet - FULL TUTORIAL

The Coldcard Wallet is a special-purpose Bitcoin-only hardware device designed to create and use Bitcoin private keys to secure your funds. This video aims to be the most robust and in-depth tutorial for Coldcard - starting with a “basics section”, but using the latter half to explore all of the advanced features Coinkite prides itself in providing. I hope you find everything here incredibly useful.
BUY A COLDCARD WALLET & Any Accessories Viewed In This Video:
store.coinkite.com/promo/BTCS...
COLDCARD CASES FROM CRYPTOCLOAKS:
www.cryptocloaks.com/product/...
RELEVANT LINKS:
Sparrow Wallet Tutorial (includes Coldcard in a multisig) + Download link
• SPARROW WALLET: Manage...
sparrowwallet.com/
Coldcard Seed XOR Tutorial
• COLDCARD Seed XOR - Ro...
UTXO Management Explained
• LIGHTNING SESSION: UTX...
Cryptocloaks Coldcard MK4 Cases
www.cryptocloaks.com/product/...
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[@BTCSessions]

BUY A COLDCARD WALLET & Any Accessories Viewed In This Video: store.coinkite.com/promo/BTCSessions TIMESTAMPS: Intro: 0:00 - 0:57 Sponsors: 0:57 - 3:46 What you need to know: Video Layout & Prerequisites: 3:46 - 9:35 Initial Setup 1/2: Pin & Seed Creation: 9:35 - 21:14 Initial Setup 2/2: Export from Coldcard Import to Sparrow Wallet: 21:14 - 26:48 Air Gapped Transactions 1/2: Receiving: 26:48 - 32:00 Additional Tips after the fact: 32:00 - 33:42 Air Gapped Transactions 2/2: Sending: 33:42 - 40:31 Restore your Coldcard from Seed Phrase: 40:31 - 44:11 Upgrading your Firmware: 44:11 - 47:52 ------Conclusion of Basics / Beginning of Advanced Features of Coldcard---------- Seed Generation with Entropy (Dice Rolls) 47:52 - 51:44 Pins: Resetting, Trick Pins, Duress Wallets & More 51:44 - 1:09:50 ---Resetting: [ 51:44 - 54:08 ] ---Trick Pins [ 54:08 - 1:02:15 ] ---Duress Wallet [ 1:02:15 - 1:09:50 ] BIP-85: 1:09:50 - 1:17:44 Using a Passphrase: 1:17:44 - 1:25:47 Virtual Disk Mode: 1:25:47 - 1:34:33 Encrypted Backups (Micro SD Card): 1:34:33 - 1:38:22 Seed XOR: 1:38:22 - 1:42:20 Cloning (Migrating over your Old Coldcard to a new Device): 1:42:20 - 1:46:35 Additional Settings: 1:46:35 - 1:50:45 Final Thoughts: 1:50:45 - 1:53:02 Outro: 1:53:02 - 1:54:49

[@teru797]

WouId be nice if they made this in AA batteries. 12v is uncommon where I Iive.

[@ArchivingClownWorld]

TIMESTAMPS: Intro: 0:00 - 0:57 Sponsors: 0:57 - 3:46 What you need to know: Video Layout & Prerequisites: 3:46 - 9:35 Initial Setup 1/2: Pin & Seed Creation: 9:35 - 21:14 Initial Setup 2/2: Export from Coldcard Import to Sparrow Wallet: 21:14 - 26:48 Air Gapped Transactions 1/2: Receiving: 26:48 - 32:00 Additional Tips after the fact: 32:00 - 33:42 Air Gapped Transactions 2/2: Sending: 33:42 - 40:31 Restore your Coldcard from Seed Phrase: 40:31 - 44:11 Upgrading your Firmware: 44:11 - 47:52 -----Conclusion of Basics / Beginning of Advanced Features of Coldcard--------- Seed Generation with Entropy (Dice Rolls) 47:52 - 51:44 Pins: Resetting, Trick Pins, Duress Wallets & More 51:44 - 1:09:50 ---Resetting: [ 51:44 - 54:08 ] ---Trick Pins [ 54:08 - 1:02:15 ] ---Duress Wallet [ 1:02:15 - 1:09:50 ] BIP-85: 1:09:50 - 1:17:44 Using a Passphrase: 1:17:44 - 1:25:47 Virtual Disk Mode: 1:25:47 - 1:34:33 Encrypted Backups (Micro SD Card): 1:34:33 - 1:38:22 Seed XOR: 1:38:22 - 1:42:20 Cloning (Migrating over your Old Coldcard to a new Device): 1:42:20 - 1:46:35 Additional Settings: 1:46:35 - 1:50:45 Final Thoughts: 1:50:45 - 1:53:02 Outro: 1:53:02 - 1:54:49

[@IloveBTCandICP]

wow 😳... thank you!

[@user-zv8pr4je4g]

nice bro keep it up

[@user-sg6po8ex6t]

[@mrbmro3991]

BTC sessions should send you some sats for this

[@adamfaulkner9975]

Great video. Going to use this when setting up my coldcard. FYI - If anyone is wondering about the screen flickering on the coldcard, it's to do with the frame rate the video was shot at not the screen itself.

[@BTCSessions]

100 - thanks for this comment! The flicker is unfortunate but definitely not true to real life

[@DJ-6972]

Amazing tutorial.Thank you for all the hard work you do, that wasn't easy to shoot and time intensive but we all appreciate it. Thank you so much.

[@nonshatter7]

hear hear!

[@dennislynn2796]

👍Best review. Unique wallet. A study in productive paranoia. Not for the weak minded. Lots of details. Thank you for taking us through the looking glass. This must be the most secure BTC wallet in existence. There is relatively little information about this wallet when searching KZbin. You did a valuable video. Thank you.

[@manuelangelgarciarodriguez9355]

Es el mejor tutorial explicativo que me he podido encontrar en internet. Me ha costado entender algunas cosas porque no hablo muy bien el idioma pero, lo cierto es que en español hay poco contenido sobre esta hardwallet. Aún así, lo has puesto muy fácil y muy claro, te lo agradezco. Espero que siga creciendo tu canal porque aporta mucho valor, yo me suscribo. Un saludo.

[@BitcoinClown]

Love your tutorials!🧡🙌🏼🚀 please start taping in 1080p or 4k if possible. Thanks so much for all the hard work! 🧡

[@krackpot_]

Fantastic tutorial! Very timely as mine arrived not too long ago! Been a long time watcher, keep up the great content!

[@MyRania]

Most complete ColdCard tutorial out there

[@AMA-ot9rb]

Man, this was the best tutorial I've ever watched. Thank you so much.

[@712Jefferson]

This was a fantastic learning resource. Thank you so much!

[@realpapamorty]

Saving up to buy one. Awesome review - will be referencing this in the future. Thanks, man

[@gabrielcanales2901]

I am currently waiting on the Mk4. First hardware wallet I've ever bought. Ngl I was scared because I do not consider myself a technical guy. This video is a great tutorial for plebs like myself. TY for your work Ben, I tipped some sats over strike.

[@fondofsauce]

Your tutorials are outstanding. Your generosity is one for the record books. Your dedication shows through your obvious talent. Thank you sir for all that you do.

[@fernandovillalpando8541]

Great walk-through. Thanks for the great detail!

[@thekomiko1]

We appreciate your extraordinary efforts sir. Great video.

[@tjmooney4181]

Info starts at 5 minutes

[@rtb2351]

Outstanding Ben, as usual - thank you so much!!

[@AbdellahBerhil]

Really appreciate bro, thanks for spending that time for the whole thing!

[@ceketceket]

Very descriptive and usefull tutorial. Thx for your effort brother, greetings from Turkiye

[@bilalabesat]

This is the best review i ever seen for a hw wallet. I hope you will make a similar one for the new Q1.

[@jwlee4925]

Wow - what an amazing podcast. Thank you!

[@user-hs6wt2fk9e]

Nice one. Coldcard remains the most reliable hardware wallet in the market IMO. Ledger, Trezor, Passports, Bitbox, meh. Gimme a Coldcard. Mk3 or Mk4. If you know enough about who is making them, how they're made and how you can verify... good way to go. Don't trust tho, verify.

[@AnarcoLiberal]

amazing tutorial. thank you so much!

[@S54VR6]

Strike Tip sent your way Ben. Thanks for another great tutorial

[@weeklyhodl]

Very thorough! Great job!

[@0402890]

Thanks for your time, and expertise!!!

[@JacquesGasson]

Really appreciate your tutorials, thank you very much

[@DonnateloComedia]

Best btc Channel!

[@carlpoppa1788]

Underrated and subscribed. I was wondering when you are carrying a partial transaction from your PC to your wallet for signing, is there a way a malware can be carried into you wallet that steals your private keys? Great video btw. It's people like you, that are educating others on the strengths of Bitcoin and how to utilize it, that make the difference. 👍

[@BTCSessions]

Thanks for the comment, and great question! The keys are segregated on the device to prevent this. My understanding is that the SD card doesn't have access to the keys, only the finished signed transaction. I'll perhaps defer to Rodolfo at coinkite for clarification on this though.

[@MrFooChops]

@@BTCSessions Any update on this critical point?

[@user-jl1sz7su4p]

This was massively helpful!

[@OnlyMans-wp2cb]

@BTCSessions - noticed when using air gapp to create a Sparrow Wallet with ColdCard your exported the generic JSON however, now ColdCard has a Sparrow Wallet export...do you now export that instead of the generic JSON from ColdCard? Thanks

[@Brendjord]

I see the coldcard can come bundled with more than one SD card. Are these spare cards in case one goes bust, ore do more than one SD card serve a purpose?

[@jybevox]

One more priceless video. Thank you so much!

[@diederikvandoorselaer7573]

Thanks for the video, very helpful

[@gforcezero]

Hi Ben, do you suggest Wasabi, Sparrow or Electrum to use with coldcard? I used to use wasabi a few years back. thanks in advance brother.

[@ValueBullInvestor]

Great Video. Question - I was going to buy this wallet and some accessories but there's only an option to pay with a Gift Card or with BTC. Where can I buy these items using dollars?

[@billfrenger8955]

Thank you Ben, what wallet would you recommend for the phone. Would that work on a De-Googled Pixel phone? Regarding using the Coldcard with Sparrow are there any special provisions that need to be made for PC's that are running Linux Ubuntu 22.04?

[@mark0365]

Super helpful, thank you boss!!

[@stevehk1800]

Really appreciate the helpful and informative content you put out. I am considering a Mk4 but have a new Keystone 3 Pro which I was planning to use for BTC alone to HODL only. When Keystone release their dedicated BTC firmware next year, will the Keystone be comparable to a Mk4 in terms of security? I will use a Tangem most likely for daily transactions of I do any. Many thanks 'eh :)

[@Eveproguides]

How do you do a air gapped transfer with the new version of Wasabi? I can't find it.

[@MichaelDirk]

Best video! Thank you.

[@jaspreetsingh9592]

Nice Tutorial !! Had a question - does it work with Exodus wallet? Appreciate inputs. Thanks.

[@Eurobunker]

@50:58 what exactly do the bars on the right side of the CC's display mean? Enthropy/ bit weight? ...and how to interpret them?

[@solar1960]

Fantastic tutorial ben! Do you not recommend verifying coldcard firmware

[@underneath237]

Complete newb question... migrating here from ledger, so ty for this video. Can I use a USB C cable plugged in to mains rather than battery?

[@gumnut-gt6io]

Thank you for this comprehensive video. Is there any difference between cloning the cold card and simply putting in your 24-word seed into the new cold card?

[@BTCSessions]

No worries! So cloning will basically copy all your settings/preferences PLUS any items you have in a new feature (which I made a video on) called seed vault. Importing the seed is fine as well, this just streamlines the process and grabs any additional info you've imported.

[@winvee290]

Thank you this tutorial help me a lot ❤❤❤❤

[@mkeith328]

What do you think about Tangem wallet? About to buy Coldcard but saw some people hyping this one?

[@elyrod808]

Great video thanks. Question,: I developed a habit to the LIVE mobile interface where I could view my bitcoin. Is there any mobile interface I can use with Sparrow to see my BTC on mobile? Thanks!

[@rideak56]

When you first received BTC into the ColdCard wallet I did not see where you saved the PSBT to your SD card and then loaded the SD card into the Coldcard for signing? I have been trying to do this with my Sparrow Wallet (on a MacBook as well) and a ColdCard (MK4 with the latest Firmware) and I keep getting the error code: "Failure. My XFP not Involved". I Checked my Coldcard Master Fingerprint and my Sparrow wallet for the cold card and they have the same fingerprint...Any thoughts?

[@d.3657]

FABULOUS video! May I ask that you do a "How to buy bitcoin video using ColdCard and Bitwell Bitcoin"? I see Bull Bitcoin does not have the etransfer feature working on their site right now. Might be another option for Canadians. :-)

[@primal9958]

Is there any reason at all that it wouldn't start up after you've plugged into an adapter (lights are on both adapter and cable connection)? Is there something I'm missing here? Or have I received a dud?

[@elydiaz846]

Can you use a USB-c card reader instead of inserting the Micro SD Card directly?

[@Gustavo-wt4qq]

Great video. And you accent is awesome. Unfortunately we dont have good tutorials like this one in portuguese.

[@latorregolf]

make one? Brazil and Angola need your help

[@vartank166]

Hi Ben can you use a regular wall usb c charger yo turn on CC?

[@sumitchowdhary]

watching your videos form last year ,Thank you for giving so much valuable information . I have a silly question in my mind , if i create sparrow multisig wallet , and for some reason government take down sparrow and electrum , then how can i restore my multisig ?

[@venar303]

Have you tested mk4 NFC transactions?

[@AMA-ot9rb]

Hey BTC Sess, my Mac won't open the dfu file in order to upgrade firmware. Any suggestions. it just opens a blank document and if I search for a file too open it nothing happens.

[@1guysmilely]

Thanks Ben

[@emapau77]

Does this coldcard only work for BTC or can it be used with alt coins? Thanks

[@JamesClifford1]

I had previously purchased a Trezor Model T, via the referral link, after watching your video's a little over a year ago. However, I don't have a backup hardware wallet, so I was looking to purchase one. After watching your Top 6 Bitcoin Hardware wallets of 2022, I narrowed it down to the Coldcard or the Keystone. After watching both of your detailed usage videos on each of the two, I am leaning more toward purchasing the Coldcard Wallet (via your referral link). Then after copying the wallets created on the Trezor to the Coldcard, I plan to wipe the Trezor and have it as the backup as it is less secure than the Trezor due to the Coldcard being air-gapped. Thanks once again, Ben!!! One question: Would you recommend using the Micro SD over the Virtual Disk with the Coldcard?

[@JamesClifford1]

Awesome Video Ben! Thank you! I received my Cold Card and walked my way through with your help. I appreciated the discount that I received by using your link when purchasing it. I chose to use unsigned transactions with the micro USB as it is the most secure being totally air-gapped. When Sparrow Wallet supports NFC I will switch to NFC.

[@Fifi-pg5rp]

If the MicroSD card that the wallet was exported onto breaks, what would happen? Would you have to re-export another wallet with a new MicroSD card?

[@DonnaCrow-HealingSchool]

Yes.

[@jonathanshorts9621]

Sparrow doesn't find my mk3 when I scan for connected hardware wallets, is this a known problem?

[@pachmann4869]

encrypting a backup of the seed phrase onto an extra sd card requires knowing another multi word password.. ...so you're hiding your private key with another long password. can someone please explain why to do this? it sorta makes sense, but i can't explain why

[@Ones_Complement]

Is seed XOR basically the coldcard's version of shamir?

[@truestory923]

wish you could have explained the different options for the decoy wallet. Would have been nice to hear more about the "brick" that you keep referring to. What does this mean>? What is the point of having a Brick Cold Card, as you nor anyone can access it? You didn't explain that part but you went on and on about the very obvious implications of a $5 wrench attack...

[@cailwindsun2513]

In my coldcard I have one option more than you and when I press ( export Wallet I have an option as sparrow wallet??

[@tita19ohoh]

Have you heard anything about Tangem wallet? it's cold hardware wallet that looks like a regular credit card and the keys are stored in it. Would love to see a review from you on the wallet

[@jacksonhenley5202]

I love it personally but I don’t understand it all including possible security vulnerabilities. Seems secure though and it’s super user friendly

[@aakashnandi8202]

Thank you sir 🙏🙏.

[@jamesk5762]

I was confused about the duress features. If the seed and device are erased, then how would I recover?

[@spraveenitpro]

Made in Canada!

[@danobrien3760]

I am wondering about the Sparrow steps taken before the initial opening of the Sparrow app in this video. I see at the bottom of your app screen there is a slider that is blue, and before that it can be yellow. How do you go about learning that part?

[@phil_lip1164]

Yeh, I didn’t see that either and couldn’t understand why my btc was not showing up in the wallet. Then thought I would just hit the toggle button which was off when the app was downloaded and voila, the btc had arrived which was a huge relief

[@danobrien3760]

Had to watch tons more videos, but now I got it. Since your new and learning, glad to have you on board !@@phil_lip1164

[@hindustan91]

export json file include public key only?

[@neillkloss3611]

I try to save a transaction for sending on to the micro SD and get an error message that says Error saving PSBT

[@aleizzahborgia9115]

I am using an old MacBook which might die soon. If my computer fries, how do I back up my cold card so I can use sparrow on my new computer?

[@CanadaExtreme]

Thanks!

[@mathewstevens4526]

hi dude quick question for you. After signing the transaction on coldcard, and loading the signed transaction to sparrow, there is no "broadcast transaction" button available for me, it shows "save final transaction" instead. Any way to get past this?

[@mathewstevens4526]

just realized i had to toggle on electrum

[@OrdinaryManSisu]

It would be great if you could do a ledger wallet to coldcard backup

[@nick-oi1xf]

On the passphrase section when it gives you the option to save to SD card, that is to save the actual passphrase. It's not to save the xpub for exporting to another wallet.

[@copycatt2579]

If you save the passphrase does that mean you don’t have to type it in when using your pin? It will auto add the passphrase to switch to the correct wallet?

[@nick-oi1xf]

@@copycatt2579 yes, but you have to insert the SD card

[@carlwatts1230]

Relating to the part where you created a backup and then restored the wallet using that backup: didn't you say it was an encrypted backup? I didn't see you enter a passphrase or decrypt anything. Did i miss anything? What could a person who found the file or the wordlist do with it? Or is it that the backup file is an encrypted file and the wordlist is the key to decrypt it? Probably that now that I write and think about it. I'll leave the comment in case it wasn't clear to anyone else.

[@BTCSessions]

Haha yes you indeed figured it out mid-comment.

[@treeoflife6337]

Can we use a windows computer to do this

[@TWELL82]

do you need the SD card?

[@gurpreetbirn]

when 4k quality?

[@magicinternetmoney8715]

Heyo great video. Unrelated question: Why is Sparrow your favorite desktop wallet instead of something like Specter Desktop?

[@BTCSessions]

I think I just like the flow of things a bit better. Specter is badass as well. Sometimes the connection was finnicky with my Umbrel node, so I gravitated towards Sparrow. Both are amazing. So feature-rich.

[@vonguyen4046]

I have mine on Keystone. do you think I should move it over to coldcard?

[@BTCSessions]

I use both! If you really want to grab a Coldcard you can always split funds between them.

[@go4theplanet975]

5 star explination! Can anyone send me where i can find read the terms of sale and use- full document? Thanks

[@josephjimenez3291]

I have my mk4 coldcard with wasabi as my desktop wallet but I’ve been hearing disappointing news about wasabi regarding privacy. If I want to switch over to sparrow wallet, do I simply initiate an import to sparrow wallet as was done in the video? From there would I need to do anything else with wasabi in order to access my stack?

[@BTCSessions]

You're exactly right - simply import and you're set! Regarding Wasabi, I was also disappointed. However, it only pertains to the coinjoin function of the wallet - so if you opt to use it as a basic desktop wallet it will still function with the same basic privacy. That said - Sparrow is awesome.

[@josephjimenez3291]

@@BTCSessions ahh, ok! Thanks for clarifying this, Ben. Appreciate all you do for the community!

[@PremaDelpi]

¿Is there any way to verify that the manufacturer of this device actually delivers on what they promise and the cold card is actually safe?

[@saurabhdhall1]

Great video!! My work laptop doesn't allow downloads/installs from external sources. Can I use Coldcard Mk4 without a desktop wallet? Which wallet would your recommend (for Android) for use with Coldcard? Bluewallet? Something else?

[@BTCSessions]

Currently you can use Blue Wallet on mobile with Coldcard. It may be a little clunky saving files and porting them over with SD card to a mobile device, but it sounds like Blue will be the first to incorporate NFC soon - so that will make CC/Blue incredibly easy when it drops.

[@saurabhdhall1]

@@BTCSessions I understand the back and forth that could happen. I imagine the USB (Virtual disk) function of Coldcard could allow easy transferability for using SD card with mobile. Your thoughts?

[@BTCSessions]

@@saurabhdhall1 yup, virtual disk works quite well too! Just need a connector cable and it shows up as an external drive

[@user-of5ti9br1t]

@@BTCSessions does receiving transaction works similar for blue wallet? (wallet software generates receiving address). So you can simply reveive transaction on your phone straight to your coldcard?

[@fr2738]

Does anyone know what this part at 23:20 is? I am trying to setup XPUB for pocketbitcoin recurring purchases, and in their tutorial they say you should use account number 1 for pocket when exportting your wallet with generic json. I don't understand why that is? Are account numbers just other bitcoin public addresses or?

[@BTCSessions]

My understanding is that it's the "pathway" used to generate addresses. Your hardware can generate a massive number of bitcoin addresses, and you need to decide which ones your wallet starts from. Changing the account number from blank (technically account 0) will change your starting point. When pocketbitcoin says account 1, they likely mean just the default pathway.

[@mhma1976]

Can you do a video like this for the keystone pro!?!

[@BTCSessions]

Here ya go! kzbin.info/www/bejne/anyngqSgZZd-gZI

[@se6586]

If you use wasabi are you required to use a 25th word with the cc? Or that’s only required in wasab for a desktop wallet?

[@BTCSessions]

The password with wasabi is just to unlock the desktop software itself if I'm not mistaken. It has no bearing on the actual seed phrase of your Coldcard. It's basically a mechanism to prevent someone from auditing your balance if they get access to your computer.

[@se6586]

@@BTCSessions thank you for the reply. I have gone through your tutorials and checked out everything cold card has put out and I didn’t know if it encrypted via the 25th word which would make it incompatible with 24 word seed wallets, which is my concern. I haven’t been able to find a solid answer

[@BTCSessions]

@@se6586 so with Coldcard, you put your 25th word into the hardware itself, then you can access it from any 3rd party wallet software. I would not add anything else outside of this, as it can complicate things and possibly result in user error.

[@petchichi7]

Thx

[@Danny-gi2gc]

Brilliant, thank you very much. “Digits of words” are called letters. 😂

[@gowinidea]

Thanks much for the tutorial. Appreciated the efforts!

[@briansmith4381]

Anyone else receive a coldcard that says “Bag Me Now” at first power on? I assume it means it wasn’t setup properly prior to shipping and I’ll need a replacement. Hopefully product support is good.

[@rodrigosalazar868]

Hi mate, noticed that when I recieved my CCard the 2 Micro SD cards came each in a simple zip lock bag.. not sealed.. Is this ok..?

[@suertetattoo5771]

Shouldn’t matter you can format them if you’re worried

[@Eurobunker]

@1:14:05 what gets actually saved to the SD-card @ setting up BIP-85 derived secret? The plain-text 12-word seed unencrypted? And what is the use case of this saved file? Where do I have to store it (in comparison the backup of Coldcard is in an encrypted file...)

[@zanshin720]

Ledger lead me here. Thanks to Ledger, I'm now looking for alternative storage where I have my keys.