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Author Topic: How do I open a joint bitcoin account with my husband?  (Read 1960 times)
gabriella
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November 17, 2013, 09:16:52 PM
 #1

As a couple, We have a joint bank account.

How do we open a joint bitcoin account where we both contribute our income, and money cannot be taken out without consent of both of us?

Thanks.
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gweedo
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November 17, 2013, 09:18:20 PM
 #2

Mutli-sig would be what you want.
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November 17, 2013, 09:19:01 PM
 #3

For one thing, there's no such thing as an "account" in Bitcoin.

There are software tools coming, however, which will have the functionality you are looking for. It's called "multisig".
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November 17, 2013, 09:23:27 PM
 #4

For a cheap, easy way to do a "joint account", just print a paper wallet and cut the private key in two.
Now each one of you just lock guard that 1/2 key, and you have a "joint account".


If you don't own the private keys, you don't own the coins.
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November 17, 2013, 09:27:14 PM
 #5

There are software tools coming, however, which will have the functionality you are looking for. It's called "multisig".

You can do this on the current version of bitcoin-qt and bitcoind and electrum.
From a convenient and intuitive GUI, or via RPC commands?
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November 17, 2013, 10:02:21 PM
 #6

For a cheap, easy way to do a "joint account", just print a paper wallet and cut the private key in two.
Now each one of you just lock guard that 1/2 key, and you have a "joint account".



I think this may be the best method for the OP

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November 18, 2013, 02:12:06 PM
 #7

For a cheap, easy way to do a "joint account", just print a paper wallet and cut the private key in two.
Now each one of you just lock guard that 1/2 key, and you have a "joint account".



Its funny but can this actually work? I mean wouldn't the paper get messed up or something?

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November 18, 2013, 02:16:51 PM
 #8

qr codes have good odds of recovering. even if 1/3rd is somehow smudged, can be recovered.
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November 18, 2013, 09:15:58 PM
 #9

It is multi signature/multisig that u r looking for

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November 19, 2013, 07:53:39 AM
Last edit: November 19, 2013, 08:13:33 AM by zenid
 #10

As a couple, We have a joint bank account.

How do we open a joint bitcoin account where we both contribute our income, and money cannot be taken out without consent of both of us?

Thanks.
You don't need any fancy software to do this for you. Just generate a private key (your "account number") offline and with wifi/networking disabled for security, then print the private key onto two pieces of paper, one for him one for you. As long as only you two have the private key, then only you two will have access to the BTC in it. Then you can add the account as a "watch" online and start putting BTC into it, secure in the knowledge that there's no way anyone can steal your BTC online because the private key has never gone online. As soon as you want to take some bitcoin OUT of the 'account', though, then you have to create a wallet and add it as a fully functional online account. I use blockchain.info's [edited in response to reply] wallet system, because it's probably the safest bet for entrusting your key to third party.

P.S: To generate a private key ('account number plus access') offline. Go to an online generator like http://brainwallet.org/ (make sure it works as a javascript client-side app so it runs offline) and save the web page to your local drive. Then run THAT file when you're offline and unconnected. This will give you a secure key that has never been 'seen' by the internet.
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November 19, 2013, 07:56:49 AM
 #11

As a couple, We have a joint bank account.

How do we open a joint bitcoin account where we both contribute our income, and money cannot be taken out without consent of both of us?

Thanks.
You don't need any fancy software to do this for you. Just generate a private key (your "account number") offline and with wifi/networking disabled for security, then print the private key onto two pieces of paper, one for him one for you. As long as only you two have the private key, then only you two will have access to the BTC in it. Then you can add the account as a "watch" online and start putting BTC into it, secure in the knowledge that there's no way anyone can steal your BTC online because the private key has never gone online. As soon, as you want to take money OUT, though, then you have to create a wallet and add it as a fully functional online account. I use bitchain.org's wallet system, because it's probably the safest bet for entrusting your key to third party.

Quote
bitchain.org's
Dafuck is bitchain.org? I just checked and it's just some stupid emoticon (~.~).
Quote
because it's probably the safest bet for entrusting your key to third party.
Entrusting your key to an third party is safe? Did you trust Inputs.IO too?

@OP, if you really really want to use an online service (I do not recommend it), I would advice you to use BlockChain.info. It has been around for a while and still stands strong.

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zenid
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November 19, 2013, 08:11:46 AM
 #12


As a couple, We have a joint bank account.

How do we open a joint bitcoin account where we both contribute our income, and money cannot be taken out without consent of both of us?

Thanks.
Quote
bitchain.org's
Dafuck is bitchain.org? I just checked and it's just some stupid emoticon (~.~).
Quote
because it's probably the safest bet for entrusting your key to third party.
Entrusting your key to an third party is safe? Did you trust Inputs.IO too?

@OP, if you really really want to use an online service (I do not recommend it), I would advice you to use BlockChain.info. It has been around for a while and still stands strong.
Yes! Blockchain.info is what I meant. Doh!  Embarrassed
And, yes, also. The only way to be 100% safe is to never have your private key online at all. But then you need to access it at SOME point, lol, so you have to make a judgement call on who to trust.
Mitchell
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November 19, 2013, 08:17:16 AM
 #13

Quote
bitchain.org's
Dafuck is bitchain.org? I just checked and it's just some stupid emoticon (~.~).
Quote
because it's probably the safest bet for entrusting your key to third party.
Entrusting your key to an third party is safe? Did you trust Inputs.IO too?

@OP, if you really really want to use an online service (I do not recommend it), I would advice you to use BlockChain.info. It has been around for a while and still stands strong.
Yes! Blockchain.info is what I meant. Doh!  Embarrassed
And, yes, also. The only way to be 100% safe is to never have your private key online at all. But then you need to access it at SOME point, lol, so you have to make a judgement call on who to trust.
Oh I see, hahaha. Well, you could always use Electrum instead of an online provider. It's fast, secure (as far as I know) and well, fast.

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MAJESTIC..
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████████████████████████
████████████████████████
████████████████████████
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..WIN 1 BITCOIN ON EVERY PREMIER LEAGUE MATCHDAY..
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Martijnvdc
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November 19, 2013, 08:19:34 AM
 #14

While reading through this thread i thought the split paper wallet was a joke. Cheesy
Maybe you guys think it's funny or romantic; but i ain't trusting nobody with a piece of paper containing all of the money...

One day there will be movies about treasurehunting called "the lost half" or "The missing QR".
freedomno1
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November 19, 2013, 08:20:28 AM
 #15

Interesting Idea
Worth thinking about

Going to go with the idea of a USB Stick and a client that is read-only
Both of you know half the code to the safe
So any agreed to deals will require both of your consents to use the usb stick.

That or split the private key in half since the paper wallet idea is amusing Smiley

Or get some Caucasus coins and put those in the safe using your combined fiat money to buy a few at a time
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November 19, 2013, 08:27:19 AM
 #16

While reading through this thread i thought the split paper wallet was a joke. Cheesy
Maybe you guys think it's funny or romantic; but i ain't trusting nobody with a piece of paper containing all of the money...

One day there will be movies about treasurehunting called "the lost half" or "The missing QR".
If you're talking about my post, I think you might have misunderstood! They both get a copy of the piece of paper with the private key on it, because that's the equivalent of each of them independently having access to the BTC stored there. That IS what a joint account essentially is, right?
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November 19, 2013, 08:31:37 AM
 #17

While reading through this thread i thought the split paper wallet was a joke. Cheesy
Maybe you guys think it's funny or romantic; but i ain't trusting nobody with a piece of paper containing all of the money...

One day there will be movies about treasurehunting called "the lost half" or "The missing QR".
If you're talking about my post, I think you might have misunderstood! They both get a copy of the piece of paper with the private key on it, because that's the equivalent of each of them independently having access to the BTC stored there. That IS what a joint account essentially is, right?

I was imagining the private key cut into two
The two are needed to make a pair
One is lost and then we enter into the movie
The search for the long lost Bitcoin XD
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November 19, 2013, 08:33:28 AM
 #18

For a cheap, easy way to do a "joint account", just print a paper wallet and cut the private key in two.
Now each one of you just lock guard that 1/2 key, and you have a "joint account".



I like it.  Low-tech, fun.
Martijnvdc
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November 19, 2013, 08:46:06 AM
 #19

While reading through this thread i thought the split paper wallet was a joke. Cheesy
Maybe you guys think it's funny or romantic; but i ain't trusting nobody with a piece of paper containing all of the money...

One day there will be movies about treasurehunting called "the lost half" or "The missing QR".
If you're talking about my post, I think you might have misunderstood! They both get a copy of the piece of paper with the private key on it, because that's the equivalent of each of them independently having access to the BTC stored there. That IS what a joint account essentially is, right?

I was imagining the private key cut into two
The two are needed to make a pair
One is lost and then we enter into the movie
The search for the long lost Bitcoin XD
Exactly Cheesy
And yes, i misunderstood, sorry. A shared private key would indeed be just like a shared account.
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