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Topic: How to sign a message?! - page 4. (Read 141646 times)

newbie
Activity: 4
Merit: 0
April 12, 2021, 01:33:06 AM
Please help someone took over my google account and my freebitco account I can't restore my account [email protected] i hid my money from them please restore my account to a new email address [email protected] the password from fribitko 12345678 all my money is hidden in fun tokens I bought them for 0.1 BTC on the 8th, I can't throw a deposit address as I saved up all the money and then at the end I put it on order 3 you can check it's true my account
legendary
Activity: 2338
Merit: 10802
There are lies, damned lies and statistics. MTwain
April 11, 2021, 01:24:25 PM
<…>
The OP (original post) is translated into several languages. Take a look at this thread to see if any is more fitting for you: https://bitcointalksearch.org/topic/m.10775520

The signature you’ve produced is invalid (it doesn’t even have a bitcoin address to begin with). Additionally, this is not the thread to publish the signed message (they referenced it to you as a guide); you’ll need to send it to whoever sent you the email. What’s more, your email information should be private (or very narrow circled), and you are making it public here (which is not in your best interest).
legendary
Activity: 2618
Merit: 6452
Self-proclaimed Genius
March 06, 2021, 09:41:28 PM
-snip-
This isnt working anymore. under the label, there is no link to sign a message.
The link provided by Husna is for Coinbase web or Coinbase App, and based from your reply, you're using the mentioned wallet.
In your previous reply, you've said "Coinbase Wallet".

Those are two different wallets but both owned by Coinbase, my previous reply is for "Coinbase Wallet", it wont work in "Coinbase" since they don't provide you a recovery phrase.
legendary
Activity: 2296
Merit: 2892
#SWGT CERTIK Audited
March 06, 2021, 06:28:31 PM
The app doesn't support signing a message natively but you can import the "recovery phrase" you can get from the 'setting icon' to a wallet that supports BIP39 seed. -snip-
This isnt working anymore. under the label, there is no link to sign a message.
Thank you for the confirmation. I'm also not sure the feature is still there. If Coinbase still provides a feature to import recovery phrases/seeds, it can make it easier for users to use that in other wallets (such as Electrum, Mycelium, etc.) that offer a sign/verify message feature.
jr. member
Activity: 134
Merit: 1
March 06, 2021, 07:38:43 AM
I am using coinbase wallet. Can I sign a message from there? I can't see any tutorial for coinbase.
Here is a tutorial on How to sign messages to the Bitcoin address on Coinbase:
https://coins.newbium.com/post/1408-how-to-sign-message-your-bitcoin-address-coinbase

However, it was made about four years ago. I was trying to login into my old account at Coinbase, but it turns out that there is a new KYC policy. I don't know if the tutorial is still applicable or not.

This isnt working anymore. under the label, there is no link to sign a message.

I am using coinbase wallet. Can I sign a message from there? I can't see any tutorial for coinbase.
The app doesn't support signing a message natively but you can import the "recovery phrase" you can get from the 'setting icon' to a wallet that supports BIP39 seed.
I'd suggest Electrum and sign a message using it, your Bitcoin address should appear first in the 'addresses' tab.

Here's a short tutorial:
  • Get your Coinbase Wallet App's "recovery phrase" in the Settings (you need to type your pin), that's the 12-random-words, copy it to a piece of paper.
  • Download Electrum [link] (Stand-Alone if Windows) and I'd recommend you to verify its signature [tutorial], then launch it.
  • During wallet creation, select the options: "Standard wallet->I already have a seed->type the recovery phrase->Click 'Options'->tick 'BIP 39 seed'->Next."
  • In the next window, select "legacy (p2pkh)" for address that starts with '1' or "native segwit (p2wpkh)" for address that starts with 'bc1', depending on what you need to sign.
  • Finish creating the wallet, I'd recommend setting a strong password; once done, enable the addresses tab using "View->Show addresses", then click "Addresses".
  • To sign a message: Use "Tools->Sign/verify message", type your message, paste your address and click "sign", the signature will appear, then format it using the guide in the OP.

BTW, messages signed with the SegWit address wont be valid for most clients, only Electrum and others (I don't know any other client),
you must include that as a note to whomever you're sending the message to.

Important note: Make sure not to paste the seed phrase to any text editor, online posts or email, that alone can control all of your funds (you can do the message signing offline).


The process looks hard but I will give a try. Thank you so much.
legendary
Activity: 2618
Merit: 6452
Self-proclaimed Genius
March 05, 2021, 11:18:22 PM
I am using coinbase wallet. Can I sign a message from there? I can't see any tutorial for coinbase.
The app doesn't support signing a message natively but you can import the "recovery phrase" you can get from the 'setting icon' to a wallet that supports BIP39 seed.
I'd suggest Electrum and sign a message using it, your Bitcoin address should appear first in the 'addresses' tab.

Here's a short tutorial:
  • Get your Coinbase Wallet App's "recovery phrase" in the Settings (you need to type your pin), that's the 12-random-words, copy it to a piece of paper.
  • Download Electrum [link] (Stand-Alone if Windows) and I'd recommend you to verify its signature [tutorial], then launch it.
  • During wallet creation, select the options: "Standard wallet->I already have a seed->type the recovery phrase->Click 'Options'->tick 'BIP 39 seed'->Next."
  • In the next window, select "legacy (p2pkh)" for address that starts with '1' or "native segwit (p2wpkh)" for address that starts with 'bc1', depending on what you need to sign.
  • Finish creating the wallet, I'd recommend setting a strong password; once done, enable the addresses tab using "View->Show addresses", then click "Addresses".
  • To sign a message: Use "Tools->Sign/verify message", type your message, paste your address and click "sign", the signature will appear, then format it using the guide in the OP.

BTW, messages signed with the SegWit address wont be valid for most clients, only Electrum and others (I don't know any other client),
you must include that as a note to whomever you're sending the message to.

Important note: Make sure not to paste the seed phrase to any text editor, online posts or email, that alone can control all of your funds (you can do the message signing offline).
legendary
Activity: 2296
Merit: 2892
#SWGT CERTIK Audited
March 05, 2021, 06:02:23 PM
I am using coinbase wallet. Can I sign a message from there? I can't see any tutorial for coinbase.
Here is a tutorial on How to sign messages to the Bitcoin address on Coinbase:
https://coins.newbium.com/post/1408-how-to-sign-message-your-bitcoin-address-coinbase

However, it was made about four years ago. I was trying to login into my old account at Coinbase, but it turns out that there is a new KYC policy. I don't know if the tutorial is still applicable or not.
jr. member
Activity: 134
Merit: 1
March 05, 2021, 10:22:57 AM
I am using coinbase wallet. Can I sign a message from there? I can't see any tutorial for coinbase.
legendary
Activity: 2618
Merit: 6452
Self-proclaimed Genius
February 20, 2021, 06:39:16 AM
This is my wallet addres and i have the pv key of this wallet
Pls reset my 2fa
Sorry i forgot send addres

16DJgExZpTSDZn7p5jEtgN3gNRGrGwY6cv
You must contact that exchange or wallet's support or in some cases, the 2FA service provider;
Note: bitcointalk members can't help you reset your 2fa aside from providing guides, this forum is not affiliated to any exchange, wallets or services.

Is there a way to find the 12 seed phrase in Coinbase's android mobile app itself?  I can't see it, maybe because it's limited or not visible when you've done the action like verification.  I can no longer remember that I have copied phrases to recover funds here in case of a mistake, because I know it is associated with the account using the email address.  As far as I know, when they are custodial, they do not give any of the keys or phrases.
Stepping in since you didn't received a reply: Is the wallet named "Coinbase" or "Coinbase Wallet"?
If the latter, you can get it from "Settings Icon->Recovery Phrase"; If 'Coinbase', then there's no way to get the seed phrase since it's a custodial wallet/exchange.
newbie
Activity: 1
Merit: 0
February 20, 2021, 04:39:22 AM
Sorry i forgot send addres

16DJgExZpTSDZn7p5jEtgN3gNRGrGwY6cv
hero member
Activity: 2464
Merit: 594
February 19, 2021, 03:20:07 AM
If it's the exchange, you're likely out of luck. They don't provide access to private keys as it is a custodial service, you have no private keys, it's all controlled by coinbase. However, if you're using the their Android/iOS wallet app, you should have the 12 word recovery phrase that can be used in external wallets (like Electrum)... so you can just import the 12 word recovery phrase into a wallet that supports signing messages.
Is there a way to find the 12 seed phrase in Coinbase's android mobile app itself?  I can't see it, maybe because it's limited or not visible when you've done the action like verification.  I can no longer remember that I have copied phrases to recover funds here in case of a mistake, because I know it is associated with the account using the email address.  As far as I know, when they are custodial, they do not give any of the keys or phrases.
member
Activity: 100
Merit: 30
Stay humble, be cool, make world better place.
February 18, 2021, 05:47:15 AM
Code:
-----BEGIN BITCOIN SIGNED MESSAGE-----
This is 10_sjdovn_10, test, thanks to shorena for this thread on bitcointalk.org, Feb-18-2021
-----BEGIN SIGNATURE-----
1JTaxjfdaRR6WLz3mMcMY9B39jX1k2QEwr
IFEwZMAm5qyCL5mZTd3zGUyFTwlXoCGcVzDYvaMoNS/Pan76/w9z4rEFOshp5kwY8V19EHF8ojM2/kkx64JC6ng=
-----END BITCOIN SIGNED MESSAGE-----


How these formats are designed , is this same as pgp or gpg ?
HCP
legendary
Activity: 2086
Merit: 4361
February 17, 2021, 02:49:23 PM
I need to sign a message on my Coinbase wallet. Can anyone help me? I need it to recover an account that was stolen from me.
Are you talking about the Coinbase "Exchange" wallet or the actual separate Coinbase wallet application? Huh

If it's the exchange, you're likely out of luck. They don't provide access to private keys as it is a custodial service, you have no private keys, it's all controlled by coinbase. However, if you're using the their Android/iOS wallet app, you should have the 12 word recovery phrase that can be used in external wallets (like Electrum)... so you can just import the 12 word recovery phrase into a wallet that supports signing messages.
newbie
Activity: 1
Merit: 0
February 17, 2021, 12:39:52 PM
I need to sign a message on my Coinbase wallet. Can anyone help me? I need it to recover an account that was stolen from me.
Thank you
full member
Activity: 1588
Merit: 214
February 15, 2021, 10:56:29 AM
Sign, Verify. Easy, multicoin, client-side.
legendary
Activity: 2618
Merit: 6452
Self-proclaimed Genius
February 12, 2021, 10:42:24 PM
Good afternoon, I have a serious problem, I cannot enter my account with the email [email protected], that email no longer exists, they ask me for a series of addresses that I do not remember, I need to access my account, I had referrals, could help me please.
Is it about an exchange or online wallet?
If you need more assistance than their CS can provide, you should start a "new topic" (link at the upper-right of the boards) in the beginners board (link) or Service Discussion (link) if it's a custodial service.
Then provide the necessary info like the name of the exchange, what happened and the current situation.

People wont suddenly have the idea of what's happening, please be more comprehensive on your posts.
newbie
Activity: 2
Merit: 0
February 12, 2021, 12:00:00 PM
Good afternoon, I have a serious problem, I cannot enter my account with the email [email protected], that email no longer exists, they ask me for a series of addresses that I do not remember, I need to access my account, I had referrals, could help me please.
HCP
legendary
Activity: 2086
Merit: 4361
December 12, 2020, 02:01:19 PM
-----BEGIN BITCOIN SIGNED MESSAGE-----
i had to go back to this topic five times before i finally learned how to sign  a message and here im doing it and today is 12/12/2020
-----BEGIN SIGNATURE-----
bc1qms2nn2yyjnrs7a4gdnggmme4t2fd3nem4q8ejx

ICPMBuY/ixaGNkZhB47G3cHpZAeGZkUspp2kcUcTH4ZHeaPqznPN2Dknq3WEj57+5X+wZQTXG1jsjNBVvJjl/FY=
-----END BITCOIN SIGNED MESSAGE-----
Quoted and verified using Electrum.


Although it isn't required, I would also recommend that you stake your address by posting your signed message over in the Stake your bitcoin address here thread as indicated by snipie.
legendary
Activity: 3178
Merit: 1140
#SWGT CERTIK Audited
December 12, 2020, 09:06:46 AM
-----BEGIN BITCOIN SIGNED MESSAGE-----
i had to go back to this topic five times before i finally learned how to sign  a message and here im doing it and today is 12/12/2020
-----BEGIN SIGNATURE-----
bc1qms2nn2yyjnrs7a4gdnggmme4t2fd3nem4q8ejx

ICPMBuY/ixaGNkZhB47G3cHpZAeGZkUspp2kcUcTH4ZHeaPqznPN2Dknq3WEj57+5X+wZQTXG1jsjNBVvJjl/FY=
-----END BITCOIN SIGNED MESSAGE-----
Your message have to be signed by an app other than brainwallet, please make another post in this topic https://bitcointalksearch.org/topic/stake-your-bitcoin-address-here-996318 (see SFR10 post above)
member
Activity: 84
Merit: 37
December 12, 2020, 08:58:31 AM
-----BEGIN BITCOIN SIGNED MESSAGE-----
i had to go back to this topic five times before i finally learned how to sign  a message and here im doing it and today is 12/12/2020
-----BEGIN SIGNATURE-----
bc1qms2nn2yyjnrs7a4gdnggmme4t2fd3nem4q8ejx

ICPMBuY/ixaGNkZhB47G3cHpZAeGZkUspp2kcUcTH4ZHeaPqznPN2Dknq3WEj57+5X+wZQTXG1jsjNBVvJjl/FY=
-----END BITCOIN SIGNED MESSAGE-----
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