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Author Topic: How to sign a message?!  (Read 104591 times)
shorena
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ALL escrow is signed! https://keybase.io/verify


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March 15, 2015, 11:35:43 PM
 #21

-snip-
But here in case if my account is hacked, the person may edit my post where my bitcoin address is present and I wont have any access to my PMs then. So in this case, I will have to note the post ID and the PM ID to be on a safe side?

That is correct and theymos said in the past that the best way to prevent this is to send a PM with a signed message to DefaultTrust and write down the PM ID. You could even delete the PM afterwards so a hacker can not see it. It is however still in the system and theymos can access it as he also controlls the DefaulTrust account, but never deletes PM send there.

Another way would be in an auction thread, since they can not be edited and not deleted.

What Gisado suggests might also work, but it would give someone else (the person quoting) power to manipulate.

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March 16, 2015, 01:32:31 AM
 #22

Thanks for the how to! very good, now i understand what mean sign with a address, and i have noticed that from blockchain.info we can verify and sign address too Cheesy that is great! thank you again
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March 16, 2015, 05:45:34 AM
 #23

-snip-
But here in case if my account is hacked, the person may edit my post where my bitcoin address is present and I wont have any access to my PMs then. So in this case, I will have to note the post ID and the PM ID to be on a safe side?

That is correct and theymos said in the past that the best way to prevent this is to send a PM with a signed message to DefaultTrust and write down the PM ID. You could even delete the PM afterwards so a hacker can not see it. It is however still in the system and theymos can access it as he also controlls the DefaulTrust account, but never deletes PM send there.

Another way would be in an auction thread, since they can not be edited and not deleted.

What Gisado suggests might also work, but it would give someone else (the person quoting) power to manipulate.

Wow great guide! I wish this was posted earlier so I didn't have to ask a million people to help me sign an address xD. Can you do other tutorials, like transferring an address to another wallet via private key? I remember when I used vanity address it took me literally an hour  to figure what to type and how to transfer. Thanks!

Also can you PM me your address? I want to also send a small too as a thanks to your effort you put into this!
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March 16, 2015, 05:53:33 AM
 #24

-snip-
But here in case if my account is hacked, the person may edit my post where my bitcoin address is present and I wont have any access to my PMs then. So in this case, I will have to note the post ID and the PM ID to be on a safe side?

That is correct and theymos said in the past that the best way to prevent this is to send a PM with a signed message to DefaultTrust and write down the PM ID. You could even delete the PM afterwards so a hacker can not see it. It is however still in the system and theymos can access it as he also controlls the DefaulTrust account, but never deletes PM send there.

Another way would be in an auction thread, since they can not be edited and not deleted.

What Gisado suggests might also work, but it would give someone else (the person quoting) power to manipulate.

Wow great guide! I wish this was posted earlier so I didn't have to ask a million people to help me sign an address xD. Can you do other tutorials, like transferring an address to another wallet via private key? I remember when I used vanity address it took me literally an hour  to figure what to type and how to transfer. Thanks!

Also can you PM me your address? I want to also send a small too as a thanks to your effort you put into this!
See below.
Well done shorena, ths guide is very good and full of useful information. Do you still own this address 1Le5jXpxvANv3v5Vfx9FY3XZjHjRm8fvzg ? A little donation will arrive in minutes Wink, take it just for your efforts in try to keep/help a good community.

Code:
----BEGIN BITCOIN SIGNED MESSAGE-----
Hi redsn0w,
today is 2015.03.15 and I am in control
of the address 1Le5jXpxvANv3v5Vfx9FY3XZjHjRm8fvzg
Shorena
-----BEGIN SIGNATURE-----
1Le5jXpxvANv3v5Vfx9FY3XZjHjRm8fvzg
INgOLoHP97AbQDN46R6/0Y73SXOW2lcnjaYoppubBY2sCGEqaylfvJrtAlqcN0sm/1v96YHuU7xcEYgKX7wxoQQ=
-----END BITCOIN SIGNED MESSAGE-----
shorena
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March 16, 2015, 08:35:55 AM
 #25

Thanks for the how to! very good, now i understand what mean sign with a address, and i have noticed that from blockchain.info we can verify and sign address too Cheesy that is great! thank you again

Yes, bc.i is still on my todo list. Since its so popular it will be the next I add. I hope to have time for that tonight.

-snip-

Wow great guide! I wish this was posted earlier so I didn't have to ask a million people to help me sign an address xD. Can you do other tutorials, like transferring an address to another wallet via private key? I remember when I used vanity address it took me literally an hour  to figure what to type and how to transfer. Thanks!

Also can you PM me your address? I want to also send a small too as a thanks to your effort you put into this!

Glad you like it. As Gisado pointed out you can take the address from my profile ( 1Le5jXpxvANv3v5Vfx9FY3XZjHjRm8fvzg ). I will probably not do Import / Export tutorials, because there are many combinations and different formats used. Im sure you can get help in tech support[1] (for bitcoin core) or in the alt clients[2] section (for most other wallets) though.

[1] https://bitcointalk.org/index.php?board=4.0
[2] https://bitcointalk.org/index.php?board=37.0

shorena
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March 17, 2015, 10:26:15 PM
 #26

Added signing with blockchain.info. It includes an example how to post a signed messages on bitcointalk.org with the format suggested by theymos.

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March 17, 2015, 11:04:08 PM
 #27

19 posts... im in

18uTXyQubfaYrkbQDdaXhzd2ALEY5YN77B

Great post. You made me remember the very first days on this forum. We started almost together to explore this crazy world of bitcoin from two different parts of the world. It is more than a year now. So much has happened in between. I think hilariousandco also started almost at the same time...

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April 02, 2015, 03:46:09 PM
 #28

Thank you soo much dear OP I really managed to sign a message After reading your Post. Because I was in truble before and redsn0w gave me your thread Link.

https://bitcointalk.org/index.php?topic=1009470.0

And your post proved helpful to me 

I sent you Tips: https://blockchain.info/tx/f97ba8bab5790faa394a7d032207bb6478bdf628dccb06361b73bf4b9b138386

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April 02, 2015, 04:12:14 PM
 #29

Can Some one Tell me How to sign a message using Coinbase wallet?

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April 02, 2015, 04:17:44 PM
 #30

Can Some one Tell me How to sign a message using Coinbase wallet?

I plan in adding coinbase, but they have good how to already -> https://support.coinbase.com/customer/portal/articles/1526413-how-do-i-sign-a-message-with-a-bitcoin-address-

THX for the tip btw

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April 02, 2015, 04:39:58 PM
 #31

Can Some one Tell me How to sign a message using Coinbase wallet?

I plan in adding coinbase, but they have good how to already -> https://support.coinbase.com/customer/portal/articles/1526413-how-do-i-sign-a-message-with-a-bitcoin-address-

THX for the tip btw

Thanks Dear for your Help Its Proved Helpful to me. I again managed to Sign a message Succesfully after 4 tries


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April 03, 2015, 10:18:06 AM
 #32

Thanks for the info.  Smiley Never got around to doing this before, but it's good to already know it before I have to use the feature.


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April 03, 2015, 10:40:53 AM
 #33

is there a way to sign a message from an address without running bitcoinqt

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April 03, 2015, 10:59:33 AM
 #34

is there a way to sign a message from an address without running bitcoinqt
It depends on the client. Look at the documentation or help pages of your client. (Of course, most web wallets doesn't support it.)
shorena
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April 03, 2015, 11:12:16 AM
 #35

is there a way to sign a message from an address without running bitcoinqt

As you can see I currently cover Bitcoin Core version v0.10.0, Electrum v 1.9.8, MultiBit v 0.5.18 and Blockchain.info. Coinbase (linked to guide earlier), armory and the new versions of Multibit (HD)[1] and Electrum (2.0.X) as well as plenty other wallets also support signing as well as verification of messages. If you have a specific wallet, just tell me which and I will add it to the todo list.

New additions will probably[2] follow within the next days, if you use a wallet that is still missing, please suggest it. I dont see a reason to focus on wallets like armory as the chance that someone using armory knows how to sign a message is high. I think its more important to focus on wallets that are used by many people and that are typically considered beginners friendly.

[1] still in beta
[2] unless something unforseen happens

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April 03, 2015, 11:13:17 AM
 #36

is there a way to sign a message from an address without running bitcoinqt

Yes you can sign a message, with out using bitcoinqt wallet in blockchain info and coinbase.com. you can see the OP in which method is given how to sign a message in block chain and here is for coinbase

Can Some one Tell me How to sign a message using Coinbase wallet?

I plan in adding coinbase, but they have good how to already -> https://support.coinbase.com/customer/portal/articles/1526413-how-do-i-sign-a-message-with-a-bitcoin-address-

THX for the tip btw

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April 03, 2015, 11:18:32 AM
 #37

Thnx alot mate

I really felt irritated when I saw ppl asking me to sign a message but I didn't know how to  ! Undecided


Thanks again  Kiss


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Gisado
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Be lazy, but don't be too lazy.


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April 03, 2015, 11:28:55 AM
 #38

if you use a wallet that is still missing, please suggest it.
Mycelium supports signing messages, for HD wallets and non-HD, single addresses.
Webnet
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DaDice! Next Generation Dice Game


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April 03, 2015, 12:01:45 PM
 #39

thanks I read the elrctrim docs and was able to sign messages on an Ubuntu server

kowwip
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April 03, 2015, 12:51:41 PM
 #40

I really don't know how to sign a message. What is the goal of signing a message. Thanks !
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