Using An Old Phone As A Hardware Wallet
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- čas přidán 7. 02. 2023
- Unable to purchase a Bitcoin hardware wallet? Have an old phone lying around? You can repurpose that device to be a quasi-hardware wallet until you’re able to get your hands on one! This tutorial will take you through the whole setup from start to finish, using Blue Wallet.
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Time Stamps
0:00 - 4:10 - Intro / Sponsors
4:10 - 6:02 - Prerequisites
6:02 - 10:42 - Initial Setup (Old Phone)
10:42 - 13:08 - Initial Setup Continued (New/Online Phone)
13:08 - 15:16 - Receiving Transactions
15:16 - 21:41 - Signing & Sending Transactions
21:41 - 27:05 - Final Thoughts
27:05 - 28:29 - Outro
Revisiting this after the Ledger fiasco unfolding right now. Seems like an advantage of this is you aren't exposed to a hardware wallet's firmware updates that might introduce back doors.
Same,
I am here looking for alternatives after the whole thing with Ledger.
I don't necessarily want to rush into getting a Trezor, because there is nothing stopping them from doing the same thing in the future per se.
Came to this video thinking on the phone idea, but I already made my pick to drop Ledger: ordered a Keystone Wallet. It's on sale right now, too.
@@PlustaxApex ive been looking at these phone wallets there is another called airgap , these seem very good , who do we trust these days
I use AirGap wallet on my old/reset/offline smartphone for sometimes now. Much easier than hardware wallet. Don't know that Bluewallet support this functionality too. Thank man.
I use Blue Wallet for a couple of applications but wasn't aware of that one. It is a very versatile bit of software. Thanks for pointing that out!
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
Very cool !- I love the option cuz I know so many people with a cell laying around
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
Great video Ben! Can this setup be used as one of the devices for a multisig wallet on sparrow? Thanks for all the great videos!
interesting idea if as you said you didn't have access to a true cold wallet like a trezor etc. One additional idea would be to do a full erase and factory reset to the phone, and then delete all factory standard apps on the phone before you download Blue Wallet such that it is ideally the only app on the phone.
Can you actually do a full erase on a samsung for example? There's preinstalled apps and other services which could be prove hard to delete.
@@dragons10000this would be good to know. I tried deleting google from my old phone and other Samsung apps but if I remember correctly, some of the services couldn't actually be taken off. I'm not techy in the slightest so maybe it's just me.
@@dragons10000 Almost full. Another option: make a hard reset and after that delete spy apps with "adb"
I have a question, in case I lose the phone, how do I recover this watch only wallet. Тhanks.
Can the same be done with Sparrow Wallet and two computers?
It would be great to see a tutorial of that!
Very useful! Similar configuration: airgap wallet with airgap vault in the offline device
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
Sadly this doesn't work for my old phones... I was trying to use an old S5 with android 6.0.1. This is too old and not compatible with any wallet software I have tried so far. Maybe next I'll try to find a download for an earlier version of Blue?
How do you update the phone software & firmware?
Is there any other wallet that have this feature for other coins?
Does anyone have an overview of which other wallets support this feature please?
This is so cool. Thank you so much
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
Can you install Blue Wallet via side chain on the offline phone?
Ben I'm planning to have multiple accounts (friend's & family's). How do I secure them all in watch wallets (in my 2nd phone) & can I only have 1 cold wallet? Currently I have fake account to set up & practice. Thx
Is there any similar wallet for altcoins ?
Another great video! A low cost interim solution for those who do not understand how valuable Bitcoin really is. It also introduces the concept of Airgap and PSBT to people.
Are there other hot wallets that support BTC or multiple cryptocurrencies which can be used this way(1 signing device - 1 hot wallet)?
I have followed your Blue Wallet instructions. However when I am trying to send BTC to another wallet I get this error message "Cannot read property 'broadcastTx' of undefined" What am I doing wrong? By the way your contents are fab
What if i memorise seed and pubic address to receive. I only receive Bitcoin, no spending. 😊
Very nice love you so much
This is amazing
This is not a cold wallet.
Ransomeware could easily still make a internet connection. Without you even noticing it.
Or bluetooth, or nearbyshare or NFC
I discuss the risks at the end. This setup would be only if you don't have hardware but prefer something *more offline than a hot wallet. It's a possible temporary solution until you get something better.
A hardware wallet does not protect you from malware. The moment you connect and sign a transaction w your ledger your wallet gets drained
Great video thx
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
Why wouldn't you de Google the device first and just use the phone itself with Tor. And offline when not in use. Dont install anything else
I use Trust wallet on an old iPhone SE
Would do this as a multisig for added protection.
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
I don’t like Trezor, don’t want to trust Ledger.
Don’t want to remove micro SD card with Cold Card.
With multiple failed debit and credit cards with chips that failed hesitant to trust Tangem wallet.
So I use an old iPhone
Do you use this cold wallet from the video on your old phone or a different one also if you use this one how is it is it actually really good and super easy to use and is it compatible with way more different tokens or only bitcoin
Please share your way, which apps you are using, are you also using two phones as shown in this video? I would like to do the same, please advise
@@vladyslavats sure. I'm using the Trust hot wallet on my old iphone SE.
It has no SIM card and no access to the internet. If you like you can set the phone in airplane
mode. I see no need to do that since the phone has no SIM and the phone is turned off
When I need to make a transaction I turn it on connect to the private Wi-fi. As soon as the transaction is made I disconnect from the Wi-Fi turn the phone off, and I'm only connected to the internet for 60-90 seconds. The phone with my wallet is left at home under lock and key
It May not be as secure as a Cold Card. Ledger,, or Trezor but it's a very good second best option.
I no longer trust Ledger, and my poor eyesight prevents me from using almost all other cold wallets. The Tangem wallet is interesting. I just don't trust the chips in the cards. In past 18 months I have had 8 debit card stop working because of the stupid chips
@@drippy2trippy_official I use the Trust hot wallet.
It’s on an old phone. The phone is kept under lock and key.
Phone has no SIM CARD, and NO INTERNET ACCESS
When I need to make a transaction
Boot up the phone
Log into private Wi-Fi
Make the transaction
Turn off the Wi-fi and put the phone away
There’s a SLIGHT risk from being online 60-90 seconds to make the transaction but THATS IT.
I like the part and this is your btc session
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
Can you please explain how the blue wallet generated Seed phrase since it is not connected to the internet?
BTC Sessions has made videos about manually creating a new wallet, and the process does not involve the internet. I cannot remember the video titles now, but I suggest having a search back through his videos to find them.
All wallets are generated from random numbers - no connection to the internet necessary! Take a look back at my video called "Permissionless Bitcoin Wallets" - it shows creating a wallet with dice and math!
Why is this less secure than a hardware wallet IF the phone is kept completely offline? Wouldn't this be safer then a hardware wallet that is not fully air gapped and interacting with a computer through USB?
Actually hardware wallet is kinda obvious for theft. 🤣
Good point. As long as phone was online, you have a risk(malware), even generating the seed offline. This is the idea. I dont know if I agree with him.
Hey BTC Session. If I lose the password that allows access to the offline phone, can I recover it on another offline phone since I know the keys?
I have the same question. But I think you should be able to recover it with the seed phrase which you have saved while creating a wallet in an old phone.
sir have you heard about ordinals nft? do you know how to it?
Yea I do you just turn around and use ethereum NFT sir
@@terloriaslolx3869 agreed. Let's keep spam off the bitcoin blockchain and direct it to shitcoin chains.
would this essentially function similar to a SeedSigner device?
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
In somewhat similar but with differences like seedsigner doesn’t store any data and especially doesnt store your seed
Thanks for the awesome video! I have a question. If you plan on HODLING long term, would it be better to just keep your key phrase somewhere safe and not have a wallet anywhere? I’ve been thinking you could just create new wallets to deposit to, then take them offline and store the key phrase when they reach a certain amount. Does that make sense?
Yeah! If you don't plan to use your Btc anytime soon, you can just generate a seed phrase in an offline device, make some paper backups, keep your public address for receiving and then delete the wallet app from the device and wipe the device. Then you just have the address and the key phrase only in paper. Not a bad configuration if you want a reeeeaally cold storage ;)
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
@@vkarast I recommend stamping the seed phrases on Titanium, not storing them on paper.
I'm surprised people don't mention this more! I prefer this method. My long term wallet is not connected to any device. Also, a fun way to gift crypto is to create a wallet and put some money on it and gift the seed phrase. It forces the receiver to get comfortable with wallets and it's cheaper than a gift card.
Well I am going to do exactly like this. Storing only seed and that's all.
Ben, come on over to nostr, there will be tons of Zaps ⚡️ for your content
Good idea way above me. Maybe after I get my MBA in crypto!
This was helpful, thank you.
As someone interested in protecting my funds with Multisig, I'm thinking of creating a Multisig setup with two wallets - one on an old phone and another on a Tails linux.
Would you be willing to create a tutorial for how to create two offline wallets with two different software, like Sparrow, Electrum or Blue wallet on Android and on Tails linux and use them in a Multisig setup together with a watch-only wallet on an Android or iPhone?
Thanks 🙂
- Petre
Two offline hardware wallets? Thats overkill my friend. Careful with that.
It is only for bitcoin
"price restraints" 😁
What about grapheneos?
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
In order of quality, can anyone tell me where they'd rank: Coldcard, Blockstream Jade and phone hardware wallet? Because a Coldcard has a nice brand to it, but it's worth two Jades. And I can hardly afford one (1) Jade hahaha (third world country problems). But if it need be, I'd have to buy either one if it's really necessary lol
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
You have them in the correct order. But the jade does everything 99% of people need so no need to get a cold card.
Cold card sucks. Overpriced and low quality. Won’t support broken devices. Avoid
@@fostee1 what do you mean by broken?
@@theantil7 sd card slot on pcb doesn’t line up with enclosure so you can break the card trying to get it in the device. Plus NFC chip not working. Avoid my friend! Shit quality
Can you use an unlocked phone
I wouldn’t use a cold card wallet if my LIFE depended on it
JUMP 5 MINUTES AHEAD TO GET PAST ALL THE ADVERTS.
Step 1 should have been factory resetting the old phone.
The cat sounds hungry
ᴡʜᴀᴛꜱᴀᴘᴘ ᴍᴇ 🔝📥
This is paradoxical. Bitcoin is digital and we are trying to hide it from digital world 😢😢😮😮😂😂😊😊
Old phones eventually lose their ability to be updated and hence security vulnerabilities are no longer addressed.
In addition, IOS devices from the iPhone 5s through the iPhone X have a boot loader exploit, that allows a tethered jailbreak using the checkra1n app.
Then use it without Wi-Fi
Yes, this is not a permanent solution. Keep the thing offline and realize that physical access from an attacker can be game over.
it would not matter if you keep the phone offline, only way to hack you would be to get the physical device, i am much more confident on keep it in my home and not letting it burn or water splashed or something weird
You can keep only bitcoin adress and send there bitcoins . Dont install any wallets . 😂 its can be your best cold save .
Bitcoin adress is public, don’t need to save it in a cold storage
@@xiaotuli4614 yes , and you can send BTC there without app.
Wish I knew this before I spent $200 on a cold wallet.
Unless phone vendors allow storing bitcoin keys in the phone's secure element/enclave, a hardware wallet is still the better option.
I wouldn't use this as a permanent solution. No secure element makes someone getting physical access more of a problem.
@@BTCSessions what do you think about paper wallet saftey
@@richardskead1according to Andreas anatoloposisbeidicjeheid, paper wallets shouldn’t be used anymore. They are an unsafe and obsolete
@@BTCSessionsyou could use a password vault like keepass and store your seed in there. Locked with a strong password. Delete the wallet after each use and restore wallet each time by getting seed out of password manager… or just lock BlueWallet with a long password. Phone locked with password, BlueWallet locked with different password. Seems secure?
No. You shouldn’t use any wallet app. Can you prove to me that the Blue Wallet has not PRE-GENERATED 1 billion wallets, so you are using one of them? You can't. There is another better, and more safe way to do it.
It’s open source and reproductible. You don’t know what you are talking about
It doesn’t matter if they generated 1 billion wallets. Because that is such a tiny tiny tiny tiny amount compared to how many wallets there are. You have a wayyyyyy better chance of winning the lotto then they would have to get a wallet being used by someone else.
@@copycatt2579and yet someone wins the lottery somewhere everyday
Could you please elaborate on what is the better, more safe way to do this?
@@copycatt2579 "They have pre-generated 1 billion addresses, that ALL will ONLY be USED in the future within the wallet." What about that?
4 minutes in and you havent even started. Im out.
Mrs Renatha have been the key to my successful trading life and couple of my friends who also trade with her. I make about $23k every month by only trading the crypto Market.
I advise investors trading for the first time to work with someone like Mrs Renatha Alves
I would like to try trading some of my crypto holding, how can I reach Mrs Renatha Alves
All that for losing 80% value in couple of months.
Buttcoiners disbelief
Moisturized and unbothered over here. I live on Bitcoin.
@@BTCSessions a complete lie
@@ddljddlj704 that I live on Bitcoin? That I'm unbothered?
OK. Believe whatever you like and have a wonderful life.