How safe is to storage private keys in the cloud?

[Cyaren]

To be honest, it's not that "private" to store private keys in the cloud. Especially if you're planning on using the address as a cold storage one, or you're planning on depositing a lot of bitcoins into that addresses.

If there is a major hack into that cloud provider, there is every chance that you will be effected too. To lower the chances, you might be able to try BIP38 encryption. Makes it a bit harder for the hacker to decode.

[Dahhi]

Can someone know where a private key belongs once a person have found it?

Let's say a private key copy is stored in the cloud and is found for a bad person; is it possible for that person to know where to use that private key?

Once the bad person finds your private key, he can spend it. There is no such thing as knowing where to spend it. He can spend it anywhere he wants.


It's best to store your private key in a paper wallet.

[Boosterious]

Can someone know where a private key belongs once a person have found it?

Let's say a private key copy is stored in the cloud and is found for a bad person; is it possible for that person to know where to use that private key?

how if i said nothing is 100% safe if you store your data on cloud,essepsially if you store your data on google drive,its have security weakness,just like Edward Snowden said,cloud is really sensitive place for hacker to hack something from there.

[n691309]

Can someone know where a private key belongs once a person have found it?

Let's say a private key copy is stored in the cloud and is found for a bad person; is it possible for that person to know where to use that private key?

You should not store your private key as plain text, but encrypt it, the best way to be safer. It depends on the bad person who finds it, if he knows about cryptocurrency then he will use it, otherwise people will ignore it as they don't know what is it.

[Wendigo]

It's not safe to store your private keys on the cloud because anyone who finds the file can simply import it in to their wallet and empty out everything you own from your wallet into theirs. If you need to store your private keys on the cloud though at least try to disguise the file as something mundane like photo-shopping the keys onto a picture and hiding that picture in a big folder of photos from your last vacation or something. Sometimes thieves won't be checking folders with boring names like that and it's best to hide your most sensitive information in plain sight 

[ObscureBean]

I think it's fine to keep your private keys online, I myself use Google Drive. Just make sure it's encrypted and your pass phrase is solid. I also used to have my keys on a couple of USB sticks that I kept in separate locations. These days most of my coins are with Coinbase though 

[calkob]

Can someone know where a private key belongs once a person have found it?

Let's say a private key copy is stored in the cloud and is found for a bad person; is it possible for that person to know where to use that private key?

They dont need to know where to use it, all they have to do is enter the private key in their wallet and they have the funds by importprivkey.

[Hirose UK]

Can someone know where a private key belongs once a person have found it?

Let's say a private key copy is stored in the cloud and is found for a bad person; is it possible for that person to know where to use that private key?

of course, so I extremely suggest you not to save your privat keys in the cloud. save it offline before such thing happen to you

[DimensionZ]

If someone hacks into your cloud storage account and is knowledgeable about Bitcoin they can notice your back-up of private keys on there and all they have to do is import the keys in their own wallet to gain access to your Bitcoins. But in general I think if you maintain proper security of your cloud storage account like using a very strong password and email address that is very hard to compromise whatever you are storing on there would be safe. I have stored login information for different websites on my cloud storage before and I have had no issues but of course anything could happen so be careful.

[Labumi]

I think it's fine to keep your private keys online, I myself use Google Drive. Just make sure it's encrypted and your pass phrase is solid. I also used to have my keys on a couple of USB sticks that I kept in separate locations. These days most of my coins are with Coinbase though 

Yeah, google drive is very helpful and it gives convenience to secure a very confidential data and to avoid an unwanted thing (Compromised).

[mrayazgul]

I think its not save to use private key in the cloud

[Jeremycoin]

Private key is supposed to be private, and cloud is not a safe thing. I'm not telling about it can be steal by the cloud service itself or someone, I'm telling about how secure is the cloud. If it just a normal cloud service that doesn't have a proper security system, than you shouldn't use it.
By the way if you think that if you save the private key with Google Drive and if you think that Google itself are able to see your private key, that's wrong. Because Google itself can't go into your files in the cloud, you are the one who can do that because you know the password.

[Yamifoud]

If you use the 7zip to encrypt your file with 42 characters, is it still possible for other people to decode it?

[Viyamore]

CLoud storage is like something on clouds like air .why ,because these storage is like a cloud that can scam you or let me say a soft copy of our storage.so this storage is not safe to for storing private keys ,better to store on offline.

[~Bitcoin~]

Can someone know where a private key belongs once a person have found it?

Let's say a private key copy is stored in the cloud and is found for a bad person; is it possible for that person to know where to use that private key?

Private key is not stored on cloud i mean not in the decentralized bitcoin ledger, it will only be stored if you generate address in online wallets like coinbase, blockchain.info etc so you are the only one who know private key if you generate bitcoin address in offline wallet or from online paper wallet service. And where you keep that private key determine how secure your bitcoins are.

[raphma]

I just use two good online wallet with nice password and always check if my pc is clean.
I'm pretty sure blockchain/xapo have way more security then my computer will ever have.

The only way someone would get my bitcoins would be with my password so i just have to keep track on that... not a file, not a hard disk that may fail or anything like that.

[27QVUTZj8rgZP1]

How safe is to storage private keys in the cloud?

It can be very safe, or very unsafe. It all depends how your store your data there.

Unencrypted, plain data: UNSAFE.

Automatic, you use a "cloud app" that automatically "syncs" your data: UNSAFE.

Encrypted, by the user prior to upload to the cloud: SAFE. I think I should not highlight the importance of a strong, random password. But alerting is never too much: Use a STRONG and RANDOM password.

It can be very safe, you just need to know how to use it. And always use reliable services that are guaranteed to stay online, or upload to multiple servers.

The general rule is, never trust you backup and/or storage in just one place. Redundancy is very important.

EDIT:
I keep all my wallets stored on "Google Drive", so I can restore it in case my local backup is lost: https://drive.google.com/file/d/0B1NkCCdVgH7JNUJJalh2MVJwZEU/view?usp=sharing

[thejaytiesto]

Can someone know where a private key belongs once a person have found it?

Let's say a private key copy is stored in the cloud and is found for a bad person; is it possible for that person to know where to use that private key?

yeah, man. all they need to do is copy the key and import it to their wallet and they'll be able to spend your bitcoins.
storing your private keys online is never safe.

If you encrypt the file that contains the sensible data, either be it a .txt file with a seed phrase or a wallet.dat file (which should have it's own encryption anyway) compressed in a .rar or .7z file or whatever format you prefer, then to make it even harder to find, change the extension of the file to something else... it's pretty much impossible that someone will first find the file and realize there are bitcoins inside, then bruteforce the password of the file (any strong pass will be impossible to bruteforce, winrar or 7z use SHA256 for passes which is same as bitcoin hashing algo).

[newcoins1978]

Can someone know where a private key belongs once a person have found it?

Let's say a private key copy is stored in the cloud and is found for a bad person; is it possible for that person to know where to use that private key?

of course, so I extremely suggest you not to save your privat keys in the cloud. save it offline before such thing happen to you

Indeed saving them offline is way better if you safe them in a cloud there are pretty huge risks taken.

[nanonymousx]

Another factor can compromise is the communication between cloud and your local device, if someone evdropping the inter traffic, he may figure it out.
For example, someone hack into your router and tcp dump all your traffic ...
Even you are SSHed, still not as sevureas private address.