What is the Keystore/JSON File possible to get back?

[sort_cirkit]

I did not save the Keystore/JSON and Private Key hard disk, I did wrong. After giving Windows, I lost it. It is possible to retrieve Keystore/JSON and Private Key in some way.
I would like important feedback.

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[cissrawk]

No, you can't restore it since you didn't save it anywhere. Except, you already save it in your hard disk and your hard disk get formatted accidentally, then you still have a chance to recover it with some recover software such like recuva or etc.
Sorry for that, but for now, there's no way to get that back. If you not save anything, then how you can access your wallet before?

[mk4]

Unforunately, you most likely lost your wallet already. You couldn't get back access to a wallet whereas you don't have the private keys for. It would be a huge security vulnerability if you could. But can you give us more information first? What wallet did you actually use?

[pooya87]

you forgot to tell us what wallet are you talking about and also what cryptocurrency?
"Keystore/JSON" sounds like you are talking about MyEtherWallet, in which case there is no way of recovering it unless you remember the password you used or your browser saved it or something like that.
if it is another web wallet such as blockchain.info, you need to remember your login password.
it doesn't sound like a desktop wallet though!

[juiceannabel]

I did not save the Keystore/JSON and Private Key hard disk, I did wrong. After giving Windows, I lost it. It is possible to retrieve Keystore/JSON and Private Key in some way.
I would like important feedback.

Unfortunately you cannot do anything about it. You must have either private key or keystore file with password.
in metamask you can recover your wallet using your phrase word.
When you installed new windows, did you put your private key on C: drive ? Using some hard drive recovery software maybe helping.

[Dreamchaser21]

That’s unlucky for you and sorry to say that you cannot bring your wallet back. If its just a new wallet better to creat a new one and don’t forget to save the important details now, but if its already have tokens and value you cannot do anything but to move on now.

[vv181]

Bitcoin technical Support suits the best for your thread instead of Bitcoin discussion section. Try to move or make a thread there. I believe you will get more responses there.
Make sure you post the full problem you had, and the wallet you use, and all the full information.

[margaret22]

I don't think so If it would be possible to retrieve, the whole system would not be safe at all. Make a new wallet, guess you can make as many as you wish. 

[Tynovten_]

It can't be anymore, there is no way to get it again, this is a fatal omission for us to experience. Yes want or not just be sincere to give it up. You only can start and hope to get the better replace.

[funchiestz]

A file system and you can log in to your MyEtherwallet account with this file system. Remember that it is a file that needs to be protected carefully.

[jhon_21]

I am really sorry to tell you that you cannot get access to your keystore/json file because you have lost the main accessable things.Without private key it is not possible. You can try some software which recover hard drive but I dont think that will help but you can atleast try it.

[pat4cryptoreal]

If you didn't save the keystore file or save your private key somewhere. It is not possible to get it back. That was what happened to me long time ago but what deliver me was etherdelta, I use my private key there while exchanging and I don't remove it so I got it there.  Check any of those exchanger like etherdelta, forkdelta and idex if you have use them recently you may find your private key there.

[bjmpoker001]

I did not save the Keystore/JSON and Private Key hard disk, I did wrong. After giving Windows, I lost it. It is possible to retrieve Keystore/JSON and Private Key in some way.
I would like important feedback.

if you saved it on the hard drive, i think you can do something with your hard drive.
Try the hardisk recovery software or tools. maybe your private key or keystore can be recovered back.

[Azha]

  I think the files stored on the text is not available after the end of the page. Maybe there may be a mistake in my knowledge.

[bigdude]

I did not save the Keystore/JSON and Private Key hard disk, I did wrong. After giving Windows, I lost it. It is possible to retrieve Keystore/JSON and Private Key in some way.
I would like important feedback.

unlucky for you in this case no way or luck for you to get your wallet back if you don't have these suck important materials.

[bitfocus]

I don't see any possible way. you can try any recovery tool, but I doubt the outcome.

[nakamitu]

Actually you have lost it, you will not be able to get your stuff back unless you store it elsewhere

[shalaza]

I feel sorry for you, that is just the end of it. If you can't find the file again, then your wallet is gone. One of the things i so dislike about cryptos, it sends chill down my spine whenever i hear stuffs like this

[sort_cirkit]

Thank you very much for your information. specially thanks cissrawk, juiceannabel, bjmpoker001. After trying many times I could recover my lost wallet. Education should be taken, but some lost education should not be taken as a cow. I learned a lot from a bitter experience.

[magnifirific]

After trying many times I could recover my lost wallet.

So you recovered your lost wallet? How did you do that? Or is this just a typo? I really wish that you've recovered it.