Bitcoin Wallet Vulnerability

[RhodaGila]

I think all the opinions here have a point, but there are important things to be aware of this and are sometimes considered normal and is probably trivial. That any act committed by others against us (wallet) it's because of factors out of ourselves. Sometimes the carelessness that we do not seem aware we are doing, so it's one more important thing to note is from ourselves, not to blame the wallet because stupid carelessness that we did before.

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[Maxpro100]

Use desktop wallets. they are more secure.

[Wendigo]

Desktop wallets aren't more secure than online wallets. Actually to secure an online wallet you only need to set up a strong password and the company providing the wallet service will take care of the rest while keeping a desktop wallet secure that is connected to the Internet can be a daunting task because you have to be careful what links you are clicking on and what websites you are visiting etc. Also it's easier for someone who knows that you are using a desktop wallet to infect your system and phish your private keys.

[ranochigo]

Desktop wallets aren't more secure than online wallets. Actually to secure an online wallet you only need to set up a strong password and the company providing the wallet service will take care of the rest while keeping a desktop wallet secure that is connected to the Internet can be a daunting task because you have to be careful what links you are clicking on and what websites you are visiting etc. Also it's easier for someone who knows that you are using a desktop wallet to infect your system and phish your private keys.

Same with an online wallet, with one more attack vector; the administrator or people with access to the server.

An online wallet would give the administrator or whoever who control the server with the access to the coins or your addresses. The operator of the online wallet can chose to run away with your coins at anytime or stage a hack and refuse to repay the amount. If you get infected with a virus, the hacker can easily access your coins from the online wallet by keylogging or RAT.

[yenxz]

Use desktop wallets. they are more secure.

no,its have same security with online wallet,and of cours have a weak side,how if you lost your computer,or hacked by phising email or malware downloaded to your computer,too much risk. i just use online wallet with strong wallet,and share bitcoin address not make any change to my security.

[pereira4]

The whole point of Bitcoin is that your stuff is safe as long as you control the private keys, so no, there are no realistic vulnerabilities. The only vulnerability is if the person that is supposed to take care of the private keys, does a bad job doing so, but that's not even a vulnerability of bitcoin, but human mistake factor.

The problem with sharing and address publicly is that people can track where the money will go from there, or how much money you got on that particular address. Hopefully Gmaxwell and the rest of devs bring us confidential transaction and coinjoin soon to get rid of this bullshit.

[deepceleron]

The last page and a half is just signature spammers saying the same shit over and over again. Seriously, fuck you.

[geopolisch]

Yes I agree the security system for bitcoin wallets isn’t the best as of yet. But I’m sure that when it becomes just as popular and used as a global payment like the USD; we would experience better security systems. Even though this might be the case; it would be best to transfer the funds to local bitcoin bank accounts, that are safe and trustworthy to lower the risks of being hacked.

[katrimans]

If you have lots of coins in your online bitcoin wallet,will posting that address in public like forums,facebook etc make it more vulnerable to hacking?
1.Should such addresses be kept secret as much as possible to keep them away from hackers eye?
2.If kept secret,is there a way for others to know how many wallet addresses holds big amount if bitcoins?

If you have lots of coins in your online bitcoin wallet,will posting that address in public like forums,facebook etc make it more vulnerable to hacking?: Yes, just as posting pictures of a stack of gold or a box of diamonds will increase your odds of getting robbed. You are essentially making yourself a target. Someone could want to hack you now who previously wouldn't have known.

1.It depends on your privacy and storage techniques but usually YES

2.They will still be on the blockchain so technically yes.

Nice,  okay. Could you please explain how posting a public key would increase its vulnerability? -  have you got an unknown method of spawning a private key from a public key?

Why bother...

No it want increase its risk of getting stolen. You need to worry more about the trust between you and your wallet provider. No online wallet is hack proof, but levels of mitigating attacks do vary depending on your provider. Right now, blockchain.info is the only 99% provider that I've seen. They if I remember correctly,  they give you the KEKey (key encryption key)

There is no risk invlove showing your address public

[wintermeasures]

If you have lots of coins in your online bitcoin wallet,will posting that address in public like forums,facebook etc make it more vulnerable to hacking?
1.Should such addresses be kept secret as much as possible to keep them away from hackers eye?
2.If kept secret,is there a way for others to know how many wallet addresses holds big amount if bitcoins?

I think you wrong, as blockchains allows us to see other people transaction. With it wasnt without post bitcoin address, it still belongs to the public if blockchains let other people to see our transaction. If you mean do not publish private keys wallet, I would agree. Because with the private key other people can easily break into our wallet. And just advice, keep your private key on the paper or something other offline. Correct me if, Im wrong
thank you

[katrimans]

If you have lots of coins in your online bitcoin wallet,will posting that address in public like forums,facebook etc make it more vulnerable to hacking?
1.Should such addresses be kept secret as much as possible to keep them away from hackers eye?
2.If kept secret,is there a way for others to know how many wallet addresses holds big amount if bitcoins?

I think you wrong, as blockchains allows us to see other people transaction. With it wasnt without post bitcoin address, it still belongs to the public if blockchains let other people to see our transaction. If you mean do not publish private keys wallet, I would agree. Because with the private key other people can easily break into our wallet. And just advice, keep your private key on the paper or something other offline. Correct me if, Im wrong
thank you

I dont think so showing you address to public in vulnerable ? How can you hack if you don't have  a private key. The important thing is that you hold you keys safe and sound.