Author Topic: Is Anyone Still Holding Bitcoin?  (Read 5063 times)

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Offline Method-X

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Re: Is Anyone Still Holding Bitcoin?
« Reply #60 on: September 13, 2014, 04:34:44 pm »
Google Authenticator is a 2FA option but if you lose your phone you'll never be able to log in again so it's not a very practical solution.

Offline testz

Re: Is Anyone Still Holding Bitcoin?
« Reply #61 on: September 13, 2014, 05:20:46 pm »
Google Authenticator is a 2FA option but if you lose your phone you'll never be able to log in again so it's not a very practical solution.

Using 2FA without backup 2FA security key it's a bad idea, I use WinAuth for this, and can always restore 2FA on new phone, or pass 2FA using code from WinAuth.

Offline serejandmyself

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Re: Is Anyone Still Holding Bitcoin?
« Reply #62 on: September 13, 2014, 06:48:40 pm »
Google Authenticator is a 2FA option but if you lose your phone you'll never be able to log in again so it's not a very practical solution.

Using 2FA without backup 2FA security key it's a bad idea, I use WinAuth for this, and can always restore 2FA on new phone, or pass 2FA using code from WinAuth.

can you expand please?
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Offline arhag

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Re: Is Anyone Still Holding Bitcoin?
« Reply #63 on: September 13, 2014, 11:44:26 pm »
cold storgae is great but defeats the point of yield ofcourse..... then again if i take my dosh and burry in under the ground on an isalnd i wont get yield too.... in any case i think that 2FA is a great idea. Is there a way to put 2FA into the programm (ofcourse for those who want it)/ Id go further an implement an email request after 2FA like on btc-e right now
It's not gonna work with 2FA .. because the system needs to check the token against their "database" which forces the database to be available for the wallet and thus if you computer is hacked you will also loose the database with the 2fac tokens ..

Is there a system similar to 2FA based on blockchain tech? Or at least email notices would be great (again, if an owner wishes)

Sort of, the answer is multisig.

It's better to have a custom Trezor or hardware wallet. This way you can make transactions, vote for delegates, but not store your private keys on your computer.

A hardware wallet is going to be... tricky. If you want to use the convenience of account names rather than opaque public keys, I think you would need the hardware wallet to validate the entire blockchain (or at least block headers the same way a lightweight client would). Then there is the whole issue of whether you want your hardware wallet to sign market orders as well or if you keep a different PC-only child account to manage the funds used for trading. Finally, hardware wallets don't protect you from double-spends if your client is compromised (unless you basically make the hardware wallet into a full mobile computer that is locked down to only act like a BitShares client). I really question the value of a hardware wallet. I think multisig and a Linux Live CD with embedded client for cold storage accounts is enough security.

Offline Method-X

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Re: Is Anyone Still Holding Bitcoin?
« Reply #64 on: September 14, 2014, 04:47:20 am »
cold storgae is great but defeats the point of yield ofcourse..... then again if i take my dosh and burry in under the ground on an isalnd i wont get yield too.... in any case i think that 2FA is a great idea. Is there a way to put 2FA into the programm (ofcourse for those who want it)/ Id go further an implement an email request after 2FA like on btc-e right now
It's not gonna work with 2FA .. because the system needs to check the token against their "database" which forces the database to be available for the wallet and thus if you computer is hacked you will also loose the database with the 2fac tokens ..

Is there a system similar to 2FA based on blockchain tech? Or at least email notices would be great (again, if an owner wishes)

This is what you're looking for: https://github.com/bitid/bitid

Offline testz

Re: Is Anyone Still Holding Bitcoin?
« Reply #65 on: September 14, 2014, 05:49:07 am »
Google Authenticator is a 2FA option but if you lose your phone you'll never be able to log in again so it's not a very practical solution.

Using 2FA without backup 2FA security key it's a bad idea, I use WinAuth for this, and can always restore 2FA on new phone, or pass 2FA using code from WinAuth.

can you expand please?

When you enable 2FA, authentication service gives you QR code of private key, this key you can scan by phone and use it, but better to scan this key into WinAuth (https://code.google.com/p/winauth) or another program which can keep them securely and then scan from this program into phone(s).

Offline xeroc

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Re: Is Anyone Still Holding Bitcoin?
« Reply #66 on: September 14, 2014, 09:24:15 am »
A hardware wallet is going to be... tricky. If you want to use the convenience of account names rather than opaque public keys, I think you would need the hardware wallet to validate the entire blockchain (or at least block headers the same way a lightweight client would).
True .. haven't thought about that... TITAN somehow makes it very difficult to generate sub-addresses from the account key .. for TITAN addresses you need the hardware device to publish and search for all available/derived addresses.. hmm ..
That's some kind of drawback that comes with the anonymity of TITAN ..
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