Does blockchain.info keeps my private key?

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Quote from: BitHodler on March 11, 2018, 06:04:50 PM

Quote from: jossiel on March 11, 2018, 03:15:19 PM

I don't get it why you are feeling less stressful with web wallet as it is the same with desktop wallets.

It's probably because of the buy Bitcoin option within his blockchain account that offered him the convenience over a traditional desktop client. In a way that's understandable, especially for someone just having joined crypto.

Another possibility may be that he wasn't aware of light clients, and just assumed that he had to install a full node client, which might be a disturbing factor for a newbie. Either way, there are enough light clients available.

I use both desktop and mobile clients from Electrum, and thus far haven't had any problems. In the Google play store there are quite some complaints concerning app crashes of the mobile client, but I personally don't experience any problems.

That's one point! I forgot that option that there's less effort if he'll use a web/exchange wallet if he wants to sell or buy bitcoin at any price that he wish. I went through web wallets before when I was new to crypto and I'm introduced with it and just learned about desktop wallets after.

Quote from: solarion on March 12, 2018, 12:38:39 PM

We cannot take the electrum into the debate while we are discussing about the blockchain web wallet. Electrum comes with the wallet seed, private key secured wallet in desktop and mobile application.
Blockchain is web based and mobile application one. There are plenty of the web based wallet but this alone will give the wallet id, 2FA, secured with the OR scanning on the connecting to the application and many more features.
Still it is hackable wallet and I knew some who lost their money on using the blockchain wallet buddy.

It's the only tighter security that they can trust with web wallets or any exchange wallets when they enable the 2FA feature of it.

True that it can be hacked, there are complains here locally about a local wallet that her wallet has been hacked but I can smell some negligence with it by signing up phishing link.

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Quote from: BitHodler on March 11, 2018, 06:04:50 PM

Quote from: jossiel on March 11, 2018, 03:15:19 PM

I don't get it why you are feeling less stressful with web wallet as it is the same with desktop wallets.

It's probably because of the buy Bitcoin option within his blockchain account that offered him the convenience over a traditional desktop client. In a way that's understandable, especially for someone just having joined crypto.

Another possibility may be that he wasn't aware of light clients, and just assumed that he had to install a full node client, which might be a disturbing factor for a newbie. Either way, there are enough light clients available.

I use both desktop and mobile clients from Electrum, and thus far haven't had any problems. In the Google play store there are quite some complaints concerning app crashes of the mobile client, but I personally don't experience any problems.

We cannot take the electrum into the debate while we are discussing about the blockchain web wallet. Electrum comes with the wallet seed, private key secured wallet in desktop and mobile application.
Blockchain is web based and mobile application one. There are plenty of the web based wallet but this alone will give the wallet id, 2FA, secured with the OR scanning on the connecting to the application and many more features.
Still it is hackable wallet and I knew some who lost their money on using the blockchain wallet buddy.

BitHodler

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Quote from: jossiel on March 11, 2018, 03:15:19 PM

I don't get it why you are feeling less stressful with web wallet as it is the same with desktop wallets.

It's probably because of the buy Bitcoin option within his blockchain account that offered him the convenience over a traditional desktop client. In a way that's understandable, especially for someone just having joined crypto.

Another possibility may be that he wasn't aware of light clients, and just assumed that he had to install a full node client, which might be a disturbing factor for a newbie. Either way, there are enough light clients available.

I use both desktop and mobile clients from Electrum, and thus far haven't had any problems. In the Google play store there are quite some complaints concerning app crashes of the mobile client, but I personally don't experience any problems.

jossiel

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I've been using blockchain.info since then but the only thing that I had is the mnemonic words and wallet identifier.

Quote from: GoldenLad on March 10, 2018, 09:28:14 AM

But in the main time, I might consider moving to desktop wallet as you suggested cause I have been using web wallet since I started out in bitcoin and haven't received any bad news and I felt web wallet is less stressful for easy transaction.

You can still use web wallet as you wish but you better try out a desktop wallet as it is one of the best wallets of all. You have the private keys where you can recover your wallet anytime and anywhere you want as you wish.

I don't get it why you are feeling less stressful with web wallet as it is the same with desktop wallets.

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Quote from: GoldenLad on March 10, 2018, 09:28:14 AM

Quote from: ABCbits on February 13, 2018, 01:16:39 PM

Blockchain.info keeps your wallet file which contain encrypted private key/seed, but they claim they don't have access to user's wallet and it's been proved with their open-source software even though i think there's no sure way to verify if blockchain.info use exactly same software within their website/app without add any backdoor.
As for other private info they store, i think only your email address, IP/browser details & mobile number (if you add one).

If you have privacy concern, i suggest you to use Desktop wallet, whether it's SPV or full nodes wallet such as Electrum and Bitcoin Core.

Seriously, I have read a lot of articles where many authors have claimed that blockchain don't really store the private key while many other authors claimed that it does. Its really quite confusing. Since they claim they don't really store users info, so I believed private keys will be part of it. Even if they do store it, I just hope it is well protected. But in the main time, I might consider moving to desktop wallet as you suggested cause I have been using web wallet since I started out in bitcoin and haven't received any bad news and I felt web wallet is less stressful for easy transaction.

you should seriously stop reading crap online written by random people who call it "articles". one of the plagues that bitcoin is fighting these days are these exact shitposts all over the internet, specially written by news sites.
try to read only from trusted sources and if you doubted anything seek opinions of professionals or experienced users whom you trust their opinions.

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Quote from: ABCbits on February 13, 2018, 01:16:39 PM

Blockchain.info keeps your wallet file which contain encrypted private key/seed, but they claim they don't have access to user's wallet and it's been proved with their open-source software even though i think there's no sure way to verify if blockchain.info use exactly same software within their website/app without add any backdoor.
As for other private info they store, i think only your email address, IP/browser details & mobile number (if you add one).

If you have privacy concern, i suggest you to use Desktop wallet, whether it's SPV or full nodes wallet such as Electrum and Bitcoin Core.

Seriously, I have read a lot of articles where many authors have claimed that blockchain don't really store the private key while many other authors claimed that it does. Its really quite confusing. Since they claim they don't really store users info, so I believed private keys will be part of it. Even if they do store it, I just hope it is well protected. But in the main time, I might consider moving to desktop wallet as you suggested cause I have been using web wallet since I started out in bitcoin and haven't received any bad news and I felt web wallet is less stressful for easy transaction.

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Quote from: ABCbits on February 13, 2018, 01:16:39 PM

Blockchain.info keeps your wallet file which contain encrypted private key/seed, but they claim they don't have access to user's wallet and it's been proved with their open-source software even though i think there's no sure way to verify if blockchain.info use exactly same software within their website/app without add any backdoor.
As for other private info they store, i think only your email address, IP/browser details & mobile number (if you add one).

If you have privacy concern, i suggest you to use Desktop wallet, whether it's SPV or full nodes wallet such as Electrum and Bitcoin Core.

Yep, that is exactly the case. There is no guarantee at all that they don't have the access to your wallet. And since there is no way to prove that, I don't trust them.
Generaly I don't trust web wallets much not just because of privacy but also security issues so I stronlgy suggest to avoid them. You always have the choice with so many different types of wallets.

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Quote from: pooya87 on February 16, 2018, 12:17:40 AM

Quote from: ABCbits on February 13, 2018, 01:16:39 PM

If you have privacy concern, i suggest you to use Desktop wallet, whether it's SPV or full nodes wallet such as Electrum and Bitcoin Core.

if someone has privacy concerns then SPV wallets may still not be the solution for them because they will still be relaying on third parties who can know their identity including all their addresses which are connected, their IP address and how they use their coins.
because for example when you use Electrum you connect to a server (an Electrum node) and ask for your transaction history for ALL your bitcoin addresses and they can see your IP. you can change your IP of course but they still connect your addresses.
full nodes are the only solution for this.

True, but i assuming the users use secure/stealth connection such as VPN, Proxy or Tor when use SPV wallet since the user have privacy concern, but might don't have good internet connection for full nodes.
The real risks is Electrum server/nodes can get list of address that requested by someone and that someone can be tracked easily if he post even an address on public discussion on internet.

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Quote from: shield132 on February 15, 2018, 06:23:28 PM

Quote from: carlfebz2 on February 14, 2018, 09:08:53 AM

Quote from: ABCbits on February 13, 2018, 01:16:39 PM

Blockchain.info keeps your wallet file which contain encrypted private key/seed, but they claim they don't have access to user's wallet and it's been proved with their open-source software even though i think there's no sure way to verify if blockchain.info use exactly same software within their website/app without add any backdoor.
As for other private info they store, i think only your email address, IP/browser details & mobile number (if you add one).

If you have privacy concern, i suggest you to use Desktop wallet, whether it's SPV or full nodes wallet such as Electrum and Bitcoin Core.

Even if they don't have the access on users wallet then we cant still be sure even they do claim it.This is why I don't really trust out online web wallets but somehow I do see blockchain is a good one as long you do know how to set security features of it to avoid on getting hacked but speaking generally with your keys then its not possible to posses those informations which isn't surprising for a web wallet.

Of course we can't trust them by what they say, thief don't tells you that he/she is going to steal you something. Of course blockchain.info makes daily or weekly backups to keep everything safe and in need they will have access on your wallets I believe but why will they use your wallet? I believe they won't because they don't need it and won't steal you anything.

We wont know if they do make such thing or not but talking about using others wallet that belongs to the site will really give negative impressions if an information would leak out.For now we haven't such issues or trouble related to it on where blockchain do still able to sustain their credibility as an online wallet.They might not give you passage on getting your keys but they can give you the service you do need.

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Quote from: ABCbits on February 13, 2018, 01:16:39 PM

If you have privacy concern, i suggest you to use Desktop wallet, whether it's SPV or full nodes wallet such as Electrum and Bitcoin Core.

if someone has privacy concerns then SPV wallets may still not be the solution for them because they will still be relaying on third parties who can know their identity including all their addresses which are connected, their IP address and how they use their coins.
because for example when you use Electrum you connect to a server (an Electrum node) and ask for your transaction history for ALL your bitcoin addresses and they can see your IP. you can change your IP of course but they still connect your addresses.
full nodes are the only solution for this.

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Quote from: carlfebz2 on February 14, 2018, 09:08:53 AM

Quote from: ABCbits on February 13, 2018, 01:16:39 PM

Blockchain.info keeps your wallet file which contain encrypted private key/seed, but they claim they don't have access to user's wallet and it's been proved with their open-source software even though i think there's no sure way to verify if blockchain.info use exactly same software within their website/app without add any backdoor.
As for other private info they store, i think only your email address, IP/browser details & mobile number (if you add one).

If you have privacy concern, i suggest you to use Desktop wallet, whether it's SPV or full nodes wallet such as Electrum and Bitcoin Core.

Even if they don't have the access on users wallet then we cant still be sure even they do claim it.This is why I don't really trust out online web wallets but somehow I do see blockchain is a good one as long you do know how to set security features of it to avoid on getting hacked but speaking generally with your keys then its not possible to posses those informations which isn't surprising for a web wallet.

Of course we can't trust them by what they say, thief don't tells you that he/she is going to steal you something. Of course blockchain.info makes daily or weekly backups to keep everything safe and in need they will have access on your wallets I believe but why will they use your wallet? I believe they won't because they don't need it and won't steal you anything.

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Quote from: kobik on February 13, 2018, 06:38:12 AM

Does blockchain.info keeps my private key(s) in their wallets of database? I am referring to the wallets on their website.
What other private information do they use?

Technically,they don't.The wallet generation/authentication process is done on the client-side and no data is persisted on the server.That is why there are absolutely no ways of recovering your wallets if you lose access to your passwords.

Quote from: squatz1 on February 13, 2018, 07:23:59 AM

Well they've got all of the private information you inputted when you signed up, or which they got when you signed up which is going to be email, ip, etc. And yes they do have your private keys, nothing you can do to get around them holding them.

Fuck off that's an outright lie.Please don't bother posting your option when you have zero clue about things.Makes you come off as a shit-posting idiot.

krishnapramod

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Quote from: kobik on February 13, 2018, 06:38:12 AM

Does blockchain.info keeps my private key(s) in their wallets of database? I am referring to the wallets on their website.
What other private information do they use?

Quote

Your encrypted wallet is automatically backed up to our servers. To safely store your wallet, we add another layer of security by encrypting your wallet a second time. Securely storing your wallet on our servers ensures that you can access your wallet from any (and all) of your different devices.

Your password acts as your decryption key to both lock and unlock your wallet — your wallet cannot be accessed without it. Because we don’t know or store your password (we can’t even reset it), only you are able to unlock and decrypt your wallet.

When you access your wallet with your Wallet ID (a unique identifier specific to your wallet) and password, your browser uses our API to download your encrypted wallet backup, before safely decrypting it on your device.

So I guess Blockchain.info basically does store or keep your private keys/wallet, but in encrypted format. When you access your wallet, the encrypted format from their database is sent over to the browser where it gets decrypted with your password, clientside. There have been many instances of Blockchain wallets getting hacked because of weak passwords/browser plugins. They are a web/hosted wallet, as far as you have a very strong password, I guess they are safe to use, but not the safest.

https://blockchain.info/wallet/how-it-works

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Quote from: ABCbits on February 13, 2018, 01:16:39 PM

Blockchain.info keeps your wallet file which contain encrypted private key/seed, but they claim they don't have access to user's wallet and it's been proved with their open-source software even though i think there's no sure way to verify if blockchain.info use exactly same software within their website/app without add any backdoor.
As for other private info they store, i think only your email address, IP/browser details & mobile number (if you add one).

If you have privacy concern, i suggest you to use Desktop wallet, whether it's SPV or full nodes wallet such as Electrum and Bitcoin Core.

Even if they don't have the access on users wallet then we cant still be sure even they do claim it.This is why I don't really trust out online web wallets but somehow I do see blockchain is a good one as long you do know how to set security features of it to avoid on getting hacked but speaking generally with your keys then its not possible to posses those informations which isn't surprising for a web wallet.

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Quote from: kobik on February 13, 2018, 06:38:12 AM

Does blockchain.info keeps my private key(s) in their wallets of database? I am referring to the wallets on their website.
What other private information do they use?

When I registered on blockchain.info they have provided me mnemonic words but I have no idea if they are still providing this key.

Quote from: ABCbits on February 13, 2018, 01:16:39 PM

If you have privacy concern, i suggest you to use Desktop wallet, whether it's SPV or full nodes wallet such as Electrum and Bitcoin Core.

Bitcoin core is one of the oldest and trusted wallet of all time but I'm not using it anymore since it requires to download the whole network. Electrum is a good choice but there are also good wallets that are indicated to https://bitcoin.org/en/choose-your-wallet

ABCbits

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Blockchain.info keeps your wallet file which contain encrypted private key/seed, but they claim they don't have access to user's wallet and it's been proved with their open-source software even though i think there's no sure way to verify if blockchain.info use exactly same software within their website/app without add any backdoor.
As for other private info they store, i think only your email address, IP/browser details & mobile number (if you add one).

If you have privacy concern, i suggest you to use Desktop wallet, whether it's SPV or full nodes wallet such as Electrum and Bitcoin Core.

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Blockchain.info wallet is pretty safe. But make sure you’ve 2-FA authentication and SMS/email verification/notifications enabled.
But, if you want to have the ultimate security and safety of your coins, get the hardware wallet like Trezor/Ledger.

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Well they've got all of the private information you inputted when you signed up, or which they got when you signed up which is going to be email, ip, etc. And yes they do have your private keys, nothing you can do to get around them holding them.

They've been pretty security for the past year or so, but before that there were large privacy concerns with them and hackers stealing money. If you have large sums of money don't trust an online wallet, go buy a HW.

ogini

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Blockchain.info do not issue any private key and they do not have any access to your account private information your security is in your hand. Your password is gateway to your account

kobik

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Does blockchain.info keeps my private key(s) in their wallets of database? I am referring to the wallets on their website.
What other private information do they use?

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