chek2fire (OP)
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December 15, 2014, 03:23:58 PM |
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My question is simple. If i have an online wallet and then i change the password of this and not spent any bitcoin from that time do i have again a cold wallet?
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CIYAM
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December 15, 2014, 03:28:47 PM |
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You question is completely flawed as 100 online wallets could do things in 100 different ways.
You might want to think about your question a bit more if you want a serious answer.
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ChuckBuck
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December 15, 2014, 03:29:03 PM |
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If you have your coins and private keys on an online wallet like say Blockchain.info, Coinbase, or Circle, pretty sure it's still a hot wallet.
Only true Cold Wallet, is an always offline PC or storage hard drive, or the safest bet, a paper wallet.
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chek2fire (OP)
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December 15, 2014, 03:30:00 PM |
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I mean online wallt the bitcoin-qt official wallet that i have spent from there some bitcoins
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ChuckBuck
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December 15, 2014, 03:32:39 PM |
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I mean online wallt the bitcoin-qt official wallet that i have spent from there some bitcoins
As long as Bitcoin QT connects to the Internet at any point, makes it a hot wallet. Doesn't matter if you changed the passphrase or password you used to encrypt it. Cold wallet = never touches the internet
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chek2fire (OP)
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December 15, 2014, 03:33:45 PM |
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cold wallet is never sync with the blockchain?
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CIYAM
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December 15, 2014, 03:34:55 PM |
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I mean online wallt the bitcoin-qt official wallet that i have spent from there some bitcoins
If you are changing your passphrase for your bitcoin-qt wallet then you will still need to move all your balance to a new address (assuming your concern is someone being able to crack your old passphrase). I am pretty sure that the unused private keys in your key pool are discarded at the point of changing your passphrase so after changing the passphrase (and making sure you keep a backup of your old wallet) send the funds to a new address (and of course backup again). And as others have already pointed out - bitcoin-qt can't do cold storage unless you are running it from a computer that isn't connected to the internet.
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Elwar
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December 15, 2014, 03:34:59 PM |
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Always assume that there is another person on your computer watching what you are doing if it is connected to the Internet.
Plan your Bitcoin storage accordingly.
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First seastead company actually selling sea homes: Ocean Builders https://ocean.builders Of course we accept bitcoin.
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dezoel
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December 15, 2014, 03:38:48 PM |
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I mean online wallt the bitcoin-qt official wallet that i have spent from there some bitcoins
As long as Bitcoin QT connects to the Internet at any point, makes it a hot wallet. Doesn't matter if you changed the passphrase or password you used to encrypt it. Cold wallet = never touches the internet Hmm, now I understand what it's cold wallet..., ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
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chek2fire (OP)
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December 15, 2014, 03:41:07 PM |
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And the next question is this. A cold wallet can transfer some amount of bitcoin to trezor for time to time and remain a cold wallet?
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bitllionaire
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December 15, 2014, 03:49:00 PM |
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an online wallet can't ever be a cold wallet
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raganius
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December 15, 2014, 03:50:04 PM |
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And the next question is this. A cold wallet can transfer some amount of bitcoin to trezor for time to time and remain a cold wallet?
I suggest you keep a small amount of bitcoins in your hot wallet for your day by day use. And the most part of your bitcoins (your savings - cold storage) you may want to keep in several paperwallets (you would not keep the total amount in a single paper wallet, but better, you'll divide your bitcoins into as many different paper wallets as convenient). This way, every time you have to touch your "cold storage" (the bitcoins from your savings) you should import the private key of the paper wallets you will spend the funds from. If, after spending it, there remais a change, you can either keep it in your hot wallet, or send it to a NEW paper wallet. That's what I do... at least.
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DannyHamilton
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December 15, 2014, 04:10:11 PM |
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- snip - A cold wallet can transfer - snip -
I don't think that word means what you think it means. A cold wallet is a wallet that is not connected to the internet, has never been connected to the internet, and never will be connected to the internet. As soon as you connect a wallet to the internet, it is no longer a cold wallet.
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chek2fire (OP)
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December 15, 2014, 04:12:22 PM |
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- snip - A cold wallet can transfer - snip -
I don't think that word means what you think it means. A cold wallet is a wallet that is not connected to the internet, has never been connected to the internet, and never will be connected to the internet. As soon as you connect a wallet to the internet, it is no longer a cold wallet. thx everyone for the answers ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) My question remain. If a wallet is not sync with blockchain how can i trust that my assets is not somehow corrupt in the future? Is not danger to have a wallet that is not even sync with the blockchain?
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Scamalert
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December 15, 2014, 04:13:58 PM |
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- snip My question is simple. -/snip
Yet so difficult to understand...
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chek2fire (OP)
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December 15, 2014, 04:16:08 PM |
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- snip My question is simple. -/snip
Yet so difficult to understand... Sorry for my ignorance and i am sorry if i disappoint you.. ![Tongue](https://bitcointalk.org/Smileys/default/tongue.gif)
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CIYAM
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December 15, 2014, 04:24:55 PM |
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Sorry for my ignorance and i am sorry if i disappoint you.. ![Tongue](https://bitcointalk.org/Smileys/default/tongue.gif) My guess is that you are *learning* now - so do some more research into cold storage in order to properly secure your BTC (and there are numerous forum members who can help guide you here).
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DannyHamilton
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December 15, 2014, 04:29:17 PM |
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If a wallet is not sync with blockchain how can i trust that my assets is not somehow corrupt in the future?
You either trust your wallet to properly generate private keys and the correct address for each private key, or you don't. If you trust the wallet to properly generate private keys and the correct address for each private key, then you can use any block explorer or any "watch only" wallet to calculate the total sum that you control. Therefore, there is no benefit to having the wallet sync. If you don't trust the wallet to properly generate private keys or the correct address for each private key, then it won't matter if the wallet it hot, cold, sync, or not sync. If you sync a wallet that is generating the wrong addresses, then how can you trust that your assets are not somehow corrupt? Therefore, there is no benefit to having the wallet sync. Is not danger to have a wallet that is not even sync with the blockchain?
What danger are you afraid of? Please describe the specific danger that you think might happen to your offline wallet. Then perhaps we can help you figure out how to protect against that danger.
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chek2fire (OP)
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December 15, 2014, 04:35:26 PM |
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I mean if you store your bitcoins in a cold wallet and then we have in the future a fork of bitcoin for some reasons like technology upgrades etc can the forked edition handle this old adresses?
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