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Author Topic: How to sign a message?!  (Read 140567 times)
SFR10
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September 14, 2021, 09:01:58 AM
 #861

But I not have private key . I only have public address
How come you get only public address without acquiring public during your wallet setup?
He probably used an address from a cryptocurrency exchange [custodial wallet].

@Davidyyyyy
If I was right, then there's no way for you to sign a message, but if that's not the case, then you should mention the name of the wallet in question, so we could try to find a solution [if there's any].

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September 14, 2021, 09:05:16 AM
 #862

I was had transfer few months ago . But how to get my private key? And I try to use Bitcoin core to sign but I can’t find (The private key of the associated address could not be found)
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September 14, 2021, 09:47:53 AM
 #863

I was had transfer few months ago . But how to get my private key? And I try to use Bitcoin core to sign but I can’t find (The private key of the associated address could not be found)
I'm not a Bitcoin core user but judging by the error that you're getting, I have a strong feeling that you didn't generate the address in question, on that wallet.

Proper commands:


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September 14, 2021, 09:51:26 AM
 #864

The wallet from freebitco.in account
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September 14, 2021, 09:59:54 AM
 #865

The wallet from freebitco.in account

If you don't have the private keys, the wallet address is not yours, you are just borrowing it to make some transactions but other people are in control of the private keys.
That means that you don't have your own wallet address to be able to sign a message from.
You can just install Electrum to try it and see how it works. There are number of video tutorials on youtube.

If you have difficulties again, let us know we will help. 

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Davidyyyyy
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September 14, 2021, 10:06:35 AM
 #866

do you have other wallet can use iPhone to sign? I mean other options except Electrum
excro
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September 14, 2021, 02:33:33 PM
 #867

Thank you! I am now able to sign messages. I think this technology is very cool and I had a great time learning about it!

Regards, excro  Wink

1C6xEEAx3ApL6rPM6Y6XtoqGHVnyxrYatz | Keybase | PGP Key
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September 14, 2021, 04:17:07 PM
 #868

do you have other wallet can use iPhone to sign? I mean other options except Electrum

There are many Bitcoin wallets available on the market for iOS devices. The following thread may give you some guidance for selecting a Bitcoin wallet, especially if you are new to cryptocurrency:
 [General] Bitcoin Wallets - Which, what, why?

If you prefer, you can also read the guide that is available on the following link to choose a wallet that fits your needs:
https://bitcoin.org/en/choose-your-wallet?step=5&platform=ios

Mobile wallets should only be used for small amounts of Bitcoin, and always remember to keep your seed words safe. Choosing Open Source wallets and DYOR (Do Your Own Research) is recommended.
If you have any specific questions about any of the wallets listed, feel free to ask.

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bL4nkcode
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September 14, 2021, 05:10:42 PM
 #869

do you have other wallet can use iPhone to sign? I mean other options except Electrum
You can check and try mycelium mobile wallet, I'm using its android version and it has signed message feature, I'm sure ios version have this feature too as they continue developing the ios version recently.
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September 14, 2021, 10:12:03 PM
Last edit: September 15, 2021, 07:48:40 PM by mprep
 #870

For iOS mycelium wallet there no sign message option



I download Coinomi after that I make a sign it’s said : the provided address could not be found in this account


[moderator's note: consecutive posts merged]
Husna QA
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September 14, 2021, 11:59:54 PM
 #871

I download Coinomi after that I make a sign it’s said : the provided address could not be found in this account
Did you make a signed message using the address you got from Coinomi or another address?
Try to follow how-to sign a message as shown in the following link:
https://coinomi.freshdesk.com/support/solutions/articles/29000025877-how-to-sign-verify-messages

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September 15, 2021, 06:08:23 AM
 #872

do you have other wallet can use iPhone to sign? I mean other options except Electrum
For iOS mycelium wallet there no sign message option
I download Coinomi after that I make a sign it’s said : the provided address could not be found in this account
Looks like you have a habit of ignoring all of the obvious signs! In case none of us were clear enough, no matter which wallet you download, you "can't sign a message with the public address" alone and since you mentioned you don't have access to the private key of that address, then there's no way for you to import it to any wallet!


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September 15, 2021, 07:04:52 AM
 #873

If it is just a matter of signing a message using a random private key and address you can try brainwallet just to see how it works.
Never use such address and private key generated online to send funds to or stake here as you can never trust online generated private keys.

I have no iPhone, never used one so I cannot be helpful for choosing an app for the job. If you want to stake an address here.

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September 15, 2021, 08:35:45 AM
 #874

I just want to remove 2FA from freebitco.in.  The staff asked me to come here.  I currently only have a public address.  There is no private key.  So I can't just sign with a public address.  how should do?
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September 15, 2021, 08:57:17 AM
 #875

I just want to remove 2FA from freebitco.in.  The staff asked me to come here.  I currently only have a public address.  There is no private key.  So I can't just sign with a public address.  how should do?

The meaning of signing a message is proving ownership of the public address. If you don't have access to a private key, you can't prove ownership of the public key. That should be obvious, right?

Therefore, you cannot sign a message without your private key.
Can you, for example, send coins from that address? No? Then you are not the owner of that address. And please stop asking further questions as no one can help you.

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September 15, 2021, 11:53:40 PM
 #876

I just want to remove 2FA from freebitco.in.  The staff asked me to come here.  I currently only have a public address.  There is no private key.  So I can't just sign with a public address.  how should do?
If you still have access to the email address and password used at freebitco.in, try using the Reset 2FA feature at the bottom right of the Login button. There are several methods to reset 2FA, including using a 2FA Secret Key, a backup Phone Number, or an Email Address.

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December 12, 2021, 07:35:36 PM
 #877

I tried to contact the freebitco.in staff and they sent me a link that takes me to this page, how do I change my freebitco.in email here?
You can't change your email address here.
They have probably asked you to sign a message from your bitcoin address to prove your ownership of the account. This topic is only a guide on how to sign a message.

The first requirement for signing a message from a bitcoin address is that you must have full control over that. This means that the address has to belong to a non-custodial wallet.
If an address belongs to an exchange or any custodial service, there is no way to sign a message from that.

Do you have control over one of the addresses you deposited from? Where did you deposit from?
Or do you have control over the address you set at your profile? Where does that address come from?

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December 12, 2021, 08:26:05 PM
 #878

I do not know you but, I will trust, can I give you my freebitco.in data so that you can enter my account and you can check and tell me if what you said can be done?
Please don't use red color. Use the default color.

Anyway, you should do that yourself.

You have sent bitcoin to freebitco before. Okay? Where did you send that fund from? You are the only one who knows the answer to this question. Even if I login to your account, I can't know that.
Have you set a bitcoin address as your withdrawal address in your profile? If so, do you remember where did you take that address from?

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December 13, 2021, 12:29:27 AM
 #879

Why don't you just learn and do the right thing instead of getting into all these confusion  Roll Eyes
 What you ask him to do isn't proper but you could probably send screenshots of your difficulties in the website to see if anyone(most especially a major promoter here) can help you solve your problem.
 We're still waiting to hear from you  Smiley

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April 29, 2022, 07:21:06 AM
 #880




  • Wallet by Blocktrail v 1.0.9 for iOS 7.1.2
Blocktrail
return to index

link: https://www.blocktrail.com/BTC?verifysignedmessage=1

Note: This service requires JavaScript and might not work with all browsers.

Sorry for Bumping up the old thread. I was here because I didn't have any idea about how this works. I have learned how to sign a message from my own wallet.
I have found that Blocktrail has announced their service ended in 2019, But, This thread wasn't updated. The thread creator is not active for a long time now. Since this thread is very useful for newbies (Even for some hybrid Sr. members like me Undecided), I think I am doing right by Bumping up this thread.


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