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Author Topic: How to sign a message?!  (Read 140673 times)
DireWolfM14
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August 02, 2018, 02:42:17 PM
 #741

Someone quote and verify this for me?

-----BEGIN BITCOIN SIGNED MESSAGE-----
Hi, This is HiDevin on BTCTalk and it's 8/2/18
-----BEGIN SIGNATURE-----
1KoFPRMnegmvGCPef1YNienLh1wy71UmRc
IGjLVlWHKaQaClF4+HWnt0t9xK1Mb54iz/hUv33shY11DvxuRqcnZXbanaZPUNcMtdPz9/I+inlsly7O5fDFXfU=
-----END BITCOIN SIGNED MESSAGE-----

Quoted and Verified.

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Transactions must be included in a block to be properly completed. When you send a transaction, it is broadcast to miners. Miners can then optionally include it in their next blocks. Miners will be more inclined to include your transaction if it has a higher transaction fee.
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BTCforJoe
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August 03, 2018, 07:43:58 PM
 #742

Someone quote and verify this for me?

-----BEGIN BITCOIN SIGNED MESSAGE-----
Hi, This is HiDevin on BTCTalk and it's 8/2/18
-----BEGIN SIGNATURE-----
1KoFPRMnegmvGCPef1YNienLh1wy71UmRc
IGjLVlWHKaQaClF4+HWnt0t9xK1Mb54iz/hUv33shY11DvxuRqcnZXbanaZPUNcMtdPz9/I+inlsly7O5fDFXfU=
-----END BITCOIN SIGNED MESSAGE-----

You may also want to post your signature to be quoted, verified, and archived in the following thread: Stake your bitcoin address here

That's generally the thread that staff will use to find your archived post when restoring an account. Make sure not to edit your post once you make it in that thread.

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September 20, 2018, 07:39:15 PM
 #743

Hello everyone here, Pls I lost my accounts some months ago and now I'm trying to recover it, although I didn't stake my bitcoin address, I posted in some signature campaigns before I lost the account and now I've learnt that I need to sign messages using that address, which way do I go to recover the account
DireWolfM14
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September 20, 2018, 09:26:22 PM
 #744

Hello everyone here, Pls I lost my accounts some months ago and now I'm trying to recover it, although I didn't stake my bitcoin address, I posted in some signature campaigns before I lost the account and now I've learnt that I need to sign messages using that address, which way do I go to recover the account

Step 1. https://bitcointalk.org/index.php?topic=990345.msg10775516#msg10775516


Step 2. https://bitcointalk.org/index.php?topic=497545.msg5473531#msg5473531

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September 21, 2018, 06:49:24 PM
 #745

Hello everyone here, Pls I lost my accounts some months ago and now I'm trying to recover it, although I didn't stake my bitcoin address, I posted in some signature campaigns before I lost the account and now I've learnt that I need to sign messages using that address, which way do I go to recover the account

Step 1. https://bitcointalk.org/index.php?topic=990345.msg10775516#msg10775516


Step 2. https://bitcointalk.org/index.php?topic=497545.msg5473531#msg5473531

Thanks a lot I really appreciate, I've sent messages to the profiles of the Admins and I'm awaiting replies. Thanks once again
leadena
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October 11, 2018, 09:35:25 AM
Last edit: October 11, 2018, 09:46:56 AM by leadena
 #746

hello

wallet wirex 3GmBtLSt6AJGAgw18DiFGsgyoasYzwwaQX

how i get this sign

thank you
SFR10
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October 11, 2018, 01:36:34 PM
 #747

wallet wirex 3GmBtLSt6AJGAgw18DiFGsgyoasYzwwaQX

how i get this sign
You can't (I just checked, there's no sign & verify feature in wirex).

Switch to a proper wallet (e.g. "Electrum").

crypto_trader#43xzEXrP
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October 13, 2018, 04:15:33 AM
 #748

Is here any C++ and JavaScript programmers (who understand C++ syntax)?
If yes, how to fix this: https://github.com/username1565/brainwallet.github.io/issues/1

Wanted to got here: https://username1565.github.io/brainwallet.github.io/#verify
the working verification of signature
for messages, that was been signed, using vertcoin-qt.exe.

But this not working with compressed and uncompressed keys and addresses all another altcoins.

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Contact me in TOX: 653D6C2D13B6DF22C4CB93432586398858A608EE5457624A9A728BE1A9252C5DA12B894C54DB, or just crypto-trader@toxme.io.
Also, WAVES - SCAM! ;(
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January 03, 2019, 05:51:29 AM
Last edit: January 03, 2019, 12:39:46 PM by emmasechen
 #749

Hello everyone, my email has been Hacked. Can I change my email by bitcoin message?
sorry, i mean i have bitcoin in freebitcoin.io, when i withdrow my bitcoin, he will send a confirm email. but i can’t receive the email. The staff of bitcoin.io tell me to see this Forum. But i still don’t know how to do. please help me, Think a lot.
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January 03, 2019, 10:32:00 AM
 #750

Hello everyone, my email has been Hacked. Can I change my email by bitcoin message?
Do you mean your personal email, your Bitcointalk account or both?

If it's only your email that has been hacked, then that is a thing to resolve between you and your email provider, although you should likely change your associated email on the account sites you access. Specifically, if you can still log into Bitcointalk, then it is probably best to change the email on your profile (for this you do not need to send a signed message unless you mess-up and end-up with a locked account). I would read through @sncc’s [Guide] Bitcointalk account security

If you have lost control of your Bitcointalk account, then read through Recovering hacked/lost accounts and Account recoveries are moving again.

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January 22, 2019, 07:10:42 PM
 #751

Thanks for topic.
A new beginning a safe beginning

-----BEGIN BITCOIN SIGNED MESSAGE-----
This is address of roptoshambrella btalk account. This account can not be sold or handovered someoneelse without a signed message from this address. Date : 22/01/2019
-----BEGIN SIGNATURE-----
14zcFLX2vq6ZyTKysf5TDCbhC75m1rDDzV
IKwYPIA8UHazGZSjDMHCMfVKFGAT+472y9rGkoQwPOMT/ED/QEpHwFPerPZXWGuvJ33IyDhdjxVYD8ahiF9EwgM=
-----END BITCOIN SIGNED MESSAGE-----
snipie
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January 22, 2019, 07:17:20 PM
 #752

Thanks for topic.
A new beginning a safe beginning

-----BEGIN BITCOIN SIGNED MESSAGE-----
This is address of roptoshambrella btalk account. This account can not be sold or handovered someoneelse without a signed message from this address. Date : 22/01/2019
-----BEGIN SIGNATURE-----
14zcFLX2vq6ZyTKysf5TDCbhC75m1rDDzV
IKwYPIA8UHazGZSjDMHCMfVKFGAT+472y9rGkoQwPOMT/ED/QEpHwFPerPZXWGuvJ33IyDhdjxVYD8ahiF9EwgM=
-----END BITCOIN SIGNED MESSAGE-----

Verified successfully your message for you :
https://brainwalletx.github.io/#verify?vrAddr=14zcFLX2vq6ZyTKysf5TDCbhC75m1rDDzV&vrMsg=This%20is%20address%20of%20roptoshambrella%20btalk%20account.%20This%20account%20can%20not%20be%20sold%20or%20handovered%20someoneelse%20without%20a%20signed%20message%20from%20this%20address.%20Date%20%3A%2022%2F01%2F2019&vrSig=IKwYPIA8UHazGZSjDMHCMfVKFGAT%2B472y9rGkoQwPOMT%2FED%2FQEpHwFPerPZXWGuvJ33IyDhdjxVYD8ahiF9EwgM%3D

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RapTarX
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June 02, 2019, 05:46:42 AM
 #753


hello and neilson need to change my email to simtelecomprovedor@gmail.com

1DPXrBkYsSXmGQc8hwqssqWTxMKXrB5zss
Your post isn't clear. What do you mean? Do you want to change your email on this account? In that case, click on profile and go to "Account Related Setting", you will get the option to change the email.

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June 05, 2019, 01:56:55 AM
 #754

Hi Everyone,

I'm just learning about this Bitcoin Signature thing. I've read Shorena's thread tutorial from the beginning and want to go ahead and sign a message and have it verified. I'm kinda confused on which Address to use. Do I just use one from my list?  I'm using Electrum as my wallet. Also, do I just copy and paste the completed signed message from the Electrum page here?

Thanks.
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June 05, 2019, 03:42:46 AM
Merited by vapourminer (1)
 #755


Yes, just choose one address from the list to sign a message from it. It's a very friendly use in Electrum on sign/verify messages.

Yes, you have to copy and paste the following three elements so another user can verify it:
- Signed message.
- Address used.
- Signature.

Don't forget to add actual date to your message; it's the proof that you just did it now, not in the past. This is just a recommendation, not a must-do.

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June 05, 2019, 05:39:59 AM
Last edit: September 25, 2019, 09:31:30 AM by tbct_mt2
Merited by vapourminer (1)
 #756

I'm just learning about this Bitcoin Signature thing. I've read Shorena's thread tutorial from the beginning and want to go ahead and sign a message and have it verified. I'm kinda confused on which Address to use. Do I just use one from my list?  I'm using Electrum as my wallet. Also, do I just copy and paste the completed signed message from the Electrum page here?
To sign a message, you can use any address in your Electrum wallet to do it. However, before signing a message, you should remember to back up seeds of your wallet for later recovery. It sounds ridiculous if you sign a message from a wallet that you don't have control of its seeds. Then, in worst situation (such as computer broken) the sign message has zero value for your account here.
Moreover, if you have more than one devices, I suggest you to sign at least 2 messages from two different wallets - that stored on two devices. It is the way to decentralize risks of losing wallet control from technical issues of your devices and your backups.

Note:
- Don't include email in your message (to avoid phishing links later)
- Place to sign your message: Stake your bitcoin address here. Please use the format in the OP of that topic.

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June 05, 2019, 11:03:36 AM
 #757

this would help us also claim some of our airdrop rewards as these days some project require us to do that to prove ownership of the address.
Nowadays airdrops become with BTC adresses !!!!
I think you are "somehow" mistaken here. We are talking about how to sign a message using your BTC address within your BTC wallet.
It's almost possible to sign messages from altcoin addresses but it's not the topic here. May be you should look on how to sign a message using MetaMask or MyEtherWallet.

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mjammer
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June 06, 2019, 09:55:56 PM
 #758

I'm just learning about this Bitcoin Signature thing. I've read Shorena's thread tutorial from the beginning and want to go ahead and sign a message and have it verified. I'm kinda confused on which Address to use. Do I just use one from my list?  I'm using Electrum as my wallet. Also, do I just copy and paste the completed signed message from the Electrum page here?
To sign a message, you can use any address in your Electrum wallet to do it. However, before signing a message, you should remember to back up seeds of your wallet for later recovery. It sounds ridiculous if you sign a message from a wallet that you don't have control of its seeds. Then, in worst situation (such as computer broken) the sign message has zero value for your account here.
Moreover, if you have more than one devices, I suggest you to sign at least 2 messages from two different wallets - that stored on two devices. It is the way to decentralize risks of losing wallet control from technical issues of your devices and your backups.

Note:
- Don't include email in your message (to avoid phising links later)
- Place to sign your message: Stake your bitcoin address here. Please use the format in the OP of that topic.


Yes, just choose one address from the list to sign a message from it. It's a very friendly use in Electrum on sign/verify messages.

Yes, you have to copy and paste the following three elements so another user can verify it:
- Signed message.
- Address used.
- Signature.

Don't forget to add actual date to your message; it's the proof that you just did it now, not in the past. This is just a recommendation, not a must-do.

Hello again,

Ok I followed everything to the letter, Wrote a specific message in that section with date and time, Inserted one of my bitcoin addresses in the the Address section, proceeded to the Signature section of my Electrum messaged and clicked Sign, got the pop up window requesting my password, I entered my password and clicked, "ok", but instead of adding the signature, I got this pop up.


"Cannot sign messages with this type of address: p2sh
Signing with an address actually means signing with the corresponding private key, and verifying with the corresponding public key. The address you have entered does not have a unique public key, so these operations cannot be performed.
The operation is undefined. Not just in Electrum, but in general."


I'm using one of my Addresses that says "receiving" just to the left of the Address. There are about 20 of them and I used one that has not been previously used before.

Also, at the bottom of the list of Address, there are 6 that say "Change" to the left of the Addresses instead of  "Receiving".

I tried one of those and got the same pop up window as before.

Am I missing something here or entering something incorrectly? I have no idea what "p2sh" means.

I'm using Electrum version 3.3.4 and have had no problems receiving 3 different deposits of bitcoin and my balance total is showing correctly.

Any help would be greatly appreciated.
Thanks again.  Smiley
HCP
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June 06, 2019, 10:08:40 PM
 #759

"Cannot sign messages with this type of address: p2sh
Signing with an address actually means signing with the corresponding private key, and verifying with the corresponding public key. The address you have entered does not have a unique public key, so these operations cannot be performed.
The operation is undefined. Not just in Electrum, but in general."
P2SH = Pay to Script Hash... These addresses will start with a "3".

As per the error message, P2SH addresses aren't necessarily created based on a single "private/public key"... Because of this, you cannot sign a message using these addresses as there is not public/private key to be able to sign the message with.


Given that you're using Electrum, I would guess that you're either using a MultiSig wallet or, more likely, a "2FA" wallet (which is a special type of multisig)... these are actually created by combining multiple keys together to create the P2SH scripts.

You need to use "Legacy" ("1"-type addresses) or Native Segwit (aka bech32 aka "bc1"-type addresses) to be able to sign messages.

mjammer
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June 06, 2019, 10:24:17 PM
 #760

"Cannot sign messages with this type of address: p2sh
Signing with an address actually means signing with the corresponding private key, and verifying with the corresponding public key. The address you have entered does not have a unique public key, so these operations cannot be performed.
The operation is undefined. Not just in Electrum, but in general."
P2SH = Pay to Script Hash... These addresses will start with a "3".

As per the error message, P2SH addresses aren't necessarily created based on a single "private/public key"... Because of this, you cannot sign a message using these addresses as there is not public/private key to be able to sign the message with.


Given that you're using Electrum, I would guess that you're either using a MultiSig wallet or, more likely, a "2FA" wallet (which is a special type of multisig)... these are actually created by combining multiple keys together to create the P2SH scripts.

You need to use "Legacy" ("1"-type addresses) or Native Segwit (aka bech32 aka "bc1"-type addresses) to be able to sign messages.

Hi and thanks for your reply.

When I initially download and set up my wallet, I did set it up as "2FA", which is 2 factor authentication I believe, and used the Google Authentication app with the QR type code. My old computer hard drive crashed and I used my 12 word seed to recover my wallet and update to to the latest version.

When I set up my wallet up on my new computer, I got a message stating that 2 factor Authentication (2FA) was turned off or not available because this wallet was recovered from seed.

Can you explain to me what I need to do to use "Legacy" or "Native Segwit" type Addresses to get this message signature thing to work?

Thanks.  Smiley   
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