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Author Topic: Any alternative to signing a message  (Read 761 times)
Bardman
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March 04, 2015, 08:24:36 PM
 #1

I saw a lot of people asking for you to sign a message with an old btc address to prove your ownership and i had another account and i wanted a loan and people asked me to sign a message but i couldnt because all the addresses i posted in this forum were from exchanges. Is there any alternative to this? Or any solution perhaps i should makr a photo now or something in order to prove my ownership of this account if i needed it later?


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March 05, 2015, 01:36:40 AM
 #2

If you want to sign an address you've to "own" private key of it.
So I suggest you to set up a desktop wallet, then post an address from it.
Then sign it.  You may use lightweight electrum to do that.

You can't sign exchange addresses, their privkey's aren't yours.


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BitcoinFr34k
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March 05, 2015, 02:56:53 AM
 #3

It is really not a good idea to be getting any kind of payment at an exchange so you should probably cease this practice.

One alternative would be to sign a PGP signed message, however I somewhat doubt you even have a PGP key, let alone know how to sign a PGP message nor even know what PGP is, or have one associated with your profile.

I would say a PGP message would probably be more secure then a bitcoin message as there are a number of reasons why a bitcoin private key could be transferred to another person, while there are virtually zero reasons why a PGP key would ever be transferred.
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March 05, 2015, 03:48:00 AM
 #4

It is really not a good idea to be getting any kind of payment at an exchange so you should probably cease this practice.

Mt Gox, Bitstamp, Bter are good examples. Please don't store in an exchange, you will loose your BTC anytime. There us no guarantee for that

One alternative would be to sign a PGP signed message, however I somewhat doubt you even have a PGP key, let alone know how to sign a PGP message nor even know what PGP is, or have one associated with your profile.

Donwload GnuPG and install it. It will be easy to create a PGP key with it. After you create, upload it to https://pgp.mit.edu and send the link via PM to 'DefaultTrust' saying that this is your PGP public key and if you're using a normal wallet, copy-paste your BTC address.

I would say a PGP message would probably be more secure then a bitcoin message as there are a number of reasons why a bitcoin private key could be transferred to another person, while there are virtually zero reasons why a PGP key would ever be transferred.

If a person is selling an account and if PGP is linked to the account, there is a chance the person will sell PGP and BTC address. There is many ways your PGP can be sold to get some $$$.

   -MZ

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