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Author Topic: Tutorial on How to Sign a message on your MetaMask with MEW.  (Read 562 times)
Daboy_Lyle
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October 05, 2018, 04:20:51 PM
Last edit: April 22, 2019, 11:52:16 AM by Daboy_Lyle
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 #1

This is from my post on our local board and want it to share with everyone.
We can sign a message on our MetaMask through MEW this guide will help everyone especially who holds big Eth/tokens on their MetaMask wallet.
Sign a message on your MetaMask with MEW


It needs:
  • Internet Connection
  • MetaMask Account
  • Commonsense  Roll Eyes


Step 1.
Go to MEW (https://www.myetherwallet.com/) and go to the footer of the page you'll see "Sign Message" then click it.

Step 2
In "How would you like to access your wallet" please press "MetaMask/Mist"

Step 3.
Let's connect our MetaMask now scroll down just a little and you'll see "Connect to MetaMask" press it.

Step 4.
After connecting your MetaMask to MEW you can now type your message that you want to signed. After typing your message you can click on "Sign Message" to proceed on the next process.

Step 5.
After clicking on the "Sign Message" go to your MetaMask wallet to approve the signing of message. Click "Sign"

Step 6.
Go back to MEW to see if the signing of message is approved.

Step 7.
Copy the signed message and click "verify message"

This is my signed message and also verified.
Code:
{
  "address": "0x8ae579849b42191aae5a2e33d5a86bac5561bb1a",
  "msg": "This Daboy_Lyle signing this message on October 3,2018 this is my MetaMask ERC20 wallet address.",
  "sig": "0x99f21e5952647c79c777dcf96123ec2b91ee5c1b4b12fca4a729b2d3565a8a6a7ac5cdd4f31066f18ab2f421f15e508493d5064258f7b54db1de92997535610d1b",
  "version": "3",
  "signer": "web3"
}

You have now your signed message on your MetaMask! Reply here with your signed message I'll verify it.
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Daboy_Lyle
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October 07, 2018, 10:57:57 AM
 #2

Verify Messages

Reply here your signed message we will verify it and quote also this will also help in recovering accounts.
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October 07, 2018, 11:02:35 AM
Last edit: October 07, 2018, 11:19:05 AM by clear cookies
 #3

I didn't expect that a 16-year-old boy has an idea and know about this. I'm so very impressed for your all your work. So i give you those merits.
Keep up the good work here mate.

Edit,
Code:
{
  "address": "0x4771a883088cd7beae45f7d84cfbfdcf18f726c5",
  "msg": "This is clear cookies signing this message on October 07, 2018 this is my ERC20 wallet address",
  "sig": "0xe0a5daf7619a7825530b5650903e0de2862f96eb674925ca352458024b06c356583f8f66bd302954da62036d855ab376d1cf2d87f96f85bb726661b7a2c27c101b",
  "version": "3",
  "signer": "MEW"
}

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October 07, 2018, 11:16:10 AM
Last edit: October 10, 2018, 03:20:16 PM by Daboy_Lyle
 #4

I didn't expect that a 16-year-old boy has an idea and know about this. I'm so very impressed for your all your work. So i give you those merits.
Keep up the good work here mate.

Age doesn't matter in here right?
You again I just learn on your post MetaMask on Mobile Phone that's why I made this topic because more MetaMask user will need this thing.
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October 10, 2018, 03:20:29 PM
 #5

{
  "address": "0x4771a883088cd7beae45f7d84cfbfdcf18f726c5",
  "msg": "This is clear cookies signing this message on October 07, 2018 this is my ERC20 wallet address",
  "sig": "0xe0a5daf7619a7825530b5650903e0de2862f96eb674925ca352458024b06c356583f8f66bd302 954da62036d855ab376d1cf2d87f96f85bb726661b7a2c27c101b",
  "version": "3",
  "signer": "MEW"
}

Qouted and Verified
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October 28, 2018, 09:44:54 AM
 #6

Newbies must learn this on how to sign a message to keep their wallet address safe and also for recovery as you mention. I'll help bumping this thread for newbies to learn and be secured and have a recovery option.

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November 28, 2018, 01:55:18 PM
 #7

Newbies must learn this on how to sign a message to keep their wallet address safe and also for recovery as you mention. I'll help bumping this thread for newbies to learn and be secured and have a recovery option.
Signing of message is very important especially for an evidence of ownership of the address.
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November 28, 2018, 08:18:58 PM
 #8

Do the admins accept signed ETH messages as proof of ownership of BT accounts? I think they only accept signed BTC messages, anyone knows?

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November 28, 2018, 11:50:18 PM
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 #9

Do the admins accept signed ETH messages as proof of ownership of BT accounts? I think they only accept signed BTC messages, anyone knows?
No, admins only accept signed messages from staked btc address as mentioned in this thread. Theymos and Cyrus are the only charged to do so. For some other moderators, signed messages from altcoin addresses can be used as proof of ownership if you get in unexpeted trouble that needs to freeze the account, so you can un-lock it.

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November 29, 2018, 05:15:55 AM
 #10

For some other moderators, signed messages from altcoin addresses can be used as proof of ownership if you get in unexpeted trouble that needs to freeze the account, so you can un-lock it.

As far as forum-specific issues go, it would be far better to assume that only signed BTC addresses are accepted. There's no need to roll the dice on signed altcoin messages as there will always be a chance that they won't be honored. This is a Bitcoin forum after all.

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November 29, 2018, 05:27:11 AM
 #11

For some other moderators, signed messages from altcoin addresses can be used as proof of ownership if you get in unexpeted trouble that needs to freeze the account, so you can un-lock it.

As far as forum-specific issues go, it would be far better to assume that only signed BTC addresses are accepted. There's no need to roll the dice on signed altcoin messages as there will always be a chance that they won't be honored. This is a Bitcoin forum after all.

it is not just about this being a "Bitcoin forum", the problem is the lack of a trusted wallet to do the signing and verifying of signatures and also whether the person verifying has that wallet installed. otherwise the processes are the same. bitcoin uses secp256k1 curve while ethereum uses secp256r1 curve with only different constants but same size signature and same EC calculations.

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January 05, 2019, 10:14:25 AM
 #12

Do the admins accept signed ETH messages as proof of ownership of BT accounts? I think they only accept signed BTC messages, anyone knows?
No, because they only accept bitcoin signed messages. This thread isn't made for that reason like a proof of ownership on lost bitcointalk accounts but it's a proof of ownership of your ERC20 wallet address. I just want to defend this thread of mine about  signing of message.
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January 05, 2019, 04:35:23 PM
 #13

You can only apply for the recovery of a lost account if you have signed a message from the BTC address. More information about account recovery can be found here https://bitcointalk.org/index.php?topic=5089777.0

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April 22, 2019, 06:45:14 AM
 #14

You can only apply for the recovery of a lost account if you have signed a message from the BTC address. More information about account recovery can be found here https://bitcointalk.org/index.php?topic=5089777.0
Yes it is.  Only Bitcoin signed messages that are verified and quoted here will be accepted for recovering lost account. Stake your Bitcoin address here. If you don't have a staked bitcoin address their then hurry up so that you have the right to recover your account when it's lost or hacked.
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April 22, 2019, 08:26:07 AM
 #15

I have a very small suggestion, maybe you already knew it.
This is the first image, that is likely overlarge, posted in the OP.
Please consider using width option for this one as well as rest images in the OP to resize them all a bit smaller. Personally, the width=300 is acceptable, which will makes your whole OP looks better.
Code:
[center][img width=300]https://i.imgur.com/2EHZk0K.jpg[/img][/center]

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April 22, 2019, 11:56:05 AM
 #16

I have a very small suggestion, maybe you already knew it.
This is the first image, that is likely overlarge, posted in the OP.
Thanks for that suggestion bro. I'm just using android phone when posting images because I don't have any pc or laptops where in it easy to edit on laptops. I'm really sorry for that size that even blind can see it lol.  Shocked
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April 22, 2019, 02:54:56 PM
 #17

I didn't expect that a 16-year-old boy has an idea and know about this. I'm so very impressed for your all your work. So i give you those merits.
Keep up the good work here mate.

Age doesn't matter in here right?
You again I just learn on your post MetaMask on Mobile Phone that's why I made this topic because more MetaMask user will need this thing.

Yeah there is no age restrictions in knowledge and most of the advance breakthrough in technology have been achieve by young people which is why we promote the early education of the blockchain technology to the young Ward's, kodos on this I will try to sign a message following the procedure you posted.
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April 29, 2019, 05:37:54 PM
 #18

Do the admins accept signed ETH messages as proof of ownership of BT accounts? I think they only accept signed BTC messages, anyone knows?
No, because they only accept bitcoin signed messages. This thread isn't made for that reason like a proof of ownership on lost bitcointalk accounts but it's a proof of ownership of your ERC20 wallet address. I just want to defend this thread of mine about  signing of message.
You made a great guide, but it does not relate to account recovery procedure in the forum. I still don't know the purpose of secure, and prove ownership of Ethereum address in the forum, if you simply want to prove it for use cases outside the forum space.
Anyway, I thank you for this great guide for community.

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April 29, 2019, 08:45:55 PM
 #19

You made a great guide, but it does not relate to account recovery procedure in the forum. I still don't know the purpose of secure, and prove ownership of Ethereum address in the forum, if you simply want to prove it for use cases outside the forum space.
Anyway, I thank you for this great guide for community.
You're right, signed message from ETH or any other altcoin address isn't accepted for account recoveries here. Probably because it's BITCOIN forum.
But still, this guide is very useful. For example, signing message from ETH address will help you to verify that you hold funds. This stuff can be used if you are dealing with escrow or lending money.




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