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Title: Help: How do I sign a message using my blockchain.info address Post by: shibaji on April 18, 2013, 11:05:12 PM According to this page, import/export section should have a way to sign a message, but after logging in, I do not see a way to do that: https://blockchain.info/wallet/features
Has anyone tried this before ? Thanks for your help! Title: Re: Help: How do I sign a message using my blockchain.info address Post by: tom1 on April 18, 2013, 11:11:44 PM Addresses (active) -> Actions -> Sign message ;)
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: shibaji on April 18, 2013, 11:14:24 PM Addresses (active) -> Actions -> Sign message ;) Where is this page (Addresses) ? Title: Re: Help: How do I sign a message using my blockchain.info address Post by: shibaji on April 18, 2013, 11:15:31 PM Found it, nevermind - thanks a lot!
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: niner on April 27, 2013, 08:20:50 AM Addresses (active) -> Actions -> Sign message ;) Where is this page (Addresses) ? more specifically ... Receive Money -> Addresses (active) -> Actions -> Sign message ;) -- or -- Receive Money -> Addresses (active) -> Actions -> More Actions -> Verify message ;) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cardcomm on May 26, 2013, 11:35:50 PM Addresses (active) -> Actions -> Sign message ;) Where is this page (Addresses) ? more specifically ... Receive Money -> Addresses (active) -> Actions -> Sign message ;) -- or -- Receive Money -> Addresses (active) -> Actions -> More Actions -> Verify message ;) Awesome! thanks for the info :) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: stex2009 on June 18, 2013, 04:26:35 AM Why do you sign a msg. Not sure why to do this?
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on June 18, 2013, 04:27:47 AM Why do you sign a msg. Not sure why to do this? You can prove that you own the address by signing a message with your private key. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cardcomm on June 19, 2013, 12:17:53 AM Why do you sign a msg. Not sure why to do this? You can prove that you own the address by signing a message with your private key. An example of why one might use this feature would be to verify an address change or other communication regarding a previous transaction. This would prove you control the address, and therefore any funds that were sent. I believe many group buys require this for verified communication about a specific purchase. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: ooeygooeygold on June 26, 2013, 08:16:51 PM Why do you sign a msg. Not sure why to do this? You can prove that you own the address by signing a message with your private key. An example of why one might use this feature would be to verify an address change or other communication regarding a previous transaction. This would prove you control the address, and therefore any funds that were sent. I believe many group buys require this for verified communication about a specific purchase. what do I do with the key? Send it as a pm? Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on June 26, 2013, 09:21:04 PM what do I do with the key? Send it as a pm? Noooo never do that You sign a message with the key. Whatever wallet you use must have a "sign a message with this key" option. So you use your private key to sign a message. Only the person with the private key can sign the message. Anyone with the public key (bitcoin address) can validate the message. It's how bitcoin works -- only the private key holder can sign a message to spend bitcoins. Anyone with the bitcoin address can verify the bitcoins were spent. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: alnoor1231 on August 13, 2013, 06:30:58 PM But the key should be sent as well, shouldn`t it???
Received a few PMs about USB hubs, here's a good thread on it: https://bitcointalk.org/index.php?topic=253749.0 example of a signed message: http://i41.tinypic.com/6tg313.jpg and this is what you'd PM me by copying from above example: 1. 1GdaJQLdcVVvhTvAHdKD3WMjQ1xdNSehaG 2: ----start below------ John Smith 1234 Way Blvd., STE 101 Some City, IL 60181 ----end above------- 3: IAqNhGjiV28ZwZyn5kG83EtJN+7djc/n6c7zs9MArIAbe3ChijEg7eNa/0VqHrtdctRtG2Cxxfb/ObZCLJpsn4I= 4: transaction id: 5c27ac15f0a1aa71ffb5d080689b4bcab243b0c0aa85f908b3209ace61de8000 That's it!!! -------------------------- how to send a shipping label: I'm writing up some basic instructions to add to this post... you will essentially download that pdf label from usps and email it to canary.btc@gmail.com (email used for labels only, contact with questions via PM here) in the body of the email, you will have 4 things: 1. transaction id of your order 2. 1st payment address of the transaction 3. tracking number (no spaces) 4. Signature (your will sign ONLY the tracking # from item #3) additionally, if you use this method, you no longer need to PM me shipping address as a signed message. trying to make things simpler for all. I will check that the tracking number in item 3 matches the label exactly. -------------------------- guidelines for your own labels: small priority box fits 14 USB miners medium priority box fits 100 USB miners large priority box first 140 USB miners 20 USB miners fit into a flat-rate padded envelope -------------------------- If you are a re-seller on eBay or other outlets, I can handle your shipping of USB miners. - you sell - send me the appropriate label (pdf) you generate for your sold order. - I ship from zip 60181 - you pay me a handling fee for handling each order (negotiated). - sit back and relax... don't bother shipping. I do that with my elves for you. all you need to do is pay for and reserve a specific amount of units that are yours in my inventory. I can extend credit to you and make a larger reservation initially. so that you can use those 50 btc per day from coinbase daily and make use of negotiated credit terms. contact me to enter into such an arrangement. previous large purchasers will have easier starting credit terms with me ;D Thanks, Canary Title: Re: Help: How do I sign a message using my blockchain.info address Post by: escrow.ms on August 13, 2013, 06:42:54 PM But the key should be sent as well, shouldn`t it??? No, that's not private key. It's just a digital signature. Check https://www.khanacademy.org/science/core-finance/money-and-banking/bitcoin/v/bitcoin-digital-signatures to know more about digital signatures. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: Unacceptable on August 19, 2013, 03:53:16 AM This example makes it easy :
Post # 410: https://bitcointalk.org/index.php?topic=195052.msg2087551#msg2087551 It is confusing,until you do it once Open notepad: 1.Go to your "receive coins" button,click it,copy & paste that addy in notepad.This is YOUR wallet addy,any BTC sent to it will end up in your wallet & no one else's. I only have one receive addy,if you have more than one...........I don't think it matters,just pick one.Someone correct me if I'm wrong 2.Now,go to "transactions" button,click it, find the transaction you want to sign,right click on it & click on "show details".Copy & paste the "Transaction ID" in notepad. 3.Your ready to sign a message,go to "file",upper left corner,click it & click "sign message". 4.Copy & paste YOUR wallet addy in line 1.........In the body copy & paste the "Transaction ID".Put your info in there too,what the BTC was sent for & how much (EXACT amount),name,shipping address,etc... 5.Click "sign message" on the bottom,it will generate a unique ID #.Now copy & paste the info from all 3 sections in an email or PM,keep them seperate in the email (don't just bunch em together) & volia!!!! You just signed a message Title: Re: Help: How do I sign a message using my blockchain.info address Post by: J_Dubbs on December 13, 2013, 03:33:07 AM Speaking honestly here. I find this all to be quite confusing. :o
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 16, 2013, 05:30:03 PM I tried the Sign message...
Used a valid sending address I own Signed Tried to Verify with bitcoin-qt Message verification failed. Shouldn't the signed message be verifiable ?? Do I have to send some BTC to my address in order to complete this verification ?? I am going to try this on testnet to see exactly what works and doesn't ... 8 ) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on December 16, 2013, 08:30:14 PM No, you don't have to have any coins in the address to sign a message. You just need the private key. If you couldn't verify it there was probably a problem with spaces or returns. The message "hi<return>" is different from "hi" and "hi<space".
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 16, 2013, 08:46:11 PM Well if I can't do this, imagine what someone who doesn't know the code is going through ???
I'm trying this on testnet now, and nothing is working! What am I doing wrong? I have only one address in the testnet wallets, sent 10 BTC to another wallet on a different machine, it received it. Tried to sign a message, singing was ok, verification is where I'm hung up ??? What exactly does one use for verification, that is rather 'vague' in the instructions! Thanks! 8 ) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on December 16, 2013, 08:59:00 PM File - sign message, select address
message: hello signature: HyEGS89+1+1mm91Iexyy5dwuZjfDPBotiNbMkWR3r+tSUSm51LV8xX9RmGYeB6RmRuMqQKi7KSoxmCumbhQDKJs= File - verify message, enter same address message: hello signature: HyEGS89+1+1mm91Iexyy5dwuZjfDPBotiNbMkWR3r+tSUSm51LV8xX9RmGYeB6RmRuMqQKi7KSoxmCumbhQDKJs= Message verified Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 16, 2013, 09:18:44 PM File - sign message, select address message: hello signature: HyEGS89+1+1mm91Iexyy5dwuZjfDPBotiNbMkWR3r+tSUSm51LV8xX9RmGYeB6RmRuMqQKi7KSoxmCumbhQDKJs= File - verify message, enter same address message: hello signature: HyEGS89+1+1mm91Iexyy5dwuZjfDPBotiNbMkWR3r+tSUSm51LV8xX9RmGYeB6RmRuMqQKi7KSoxmCumbhQDKJs= Message verified I just tried this on test net No Go one address in the wallet 8 ) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on December 16, 2013, 09:23:01 PM Do it on mainnet and post the address/message/signature here.
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 16, 2013, 09:30:05 PM Do it on mainnet and post the address/message/signature here. address ??? that is where I am hung up? what address? I have many addresses on my mainnet wallet, which one does it use? this is the transaction : https://blockchain.info/address/1C2PWB7JoEyT5Yygiq8eG3XC7WcuSdj6eA Thanks! 8 ) Edit: spelling Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on December 16, 2013, 09:53:00 PM You can use any address you own. So this one for example assuming you were the one sending the coins: 1C2PWB7JoEyT5Yygiq8eG3XC7WcuSdj6eA
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 16, 2013, 09:57:49 PM You can use any address you own. So this one for example assuming you were the one sending the coins: 1C2PWB7JoEyT5Yygiq8eG3XC7WcuSdj6eA That is the third address listed in my 'Recieve' ??? how is that connected with the send? I'm reading the code now, this is not intuitive by any means! Thanks! 8 ) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on December 16, 2013, 10:01:11 PM You sign it with whatever address you want to prove that you own. And verify it with the same address.
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 16, 2013, 10:06:17 PM You sign it with whatever address you want to prove that you own. And verify it with the same address. I get that much, but on test net, I have only one address, and it fails to verify? So what gives? I sent the payment to Canary but according to this verification, can't prove it ??? I won't give up, this has to be simple, and I'm missing something ??? Thanks! 8 ) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on December 16, 2013, 10:07:34 PM What address did you send the coins from? Sign a message with that and post it here.
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 16, 2013, 10:37:16 PM What address did you send the coins from? Sign a message with that and post it here. That is just it? How do I find that out? I have no clue where it was sent from! I know I sent it, from what? Thanks! 8 ) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on December 16, 2013, 11:31:46 PM You're using blockchain.info wallet or bitcoin-qt? If on blockchain.info click on My transactions and the addresses are on the left.
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 16, 2013, 11:47:56 PM You're using blockchain.info wallet or bitcoin-qt? If on blockchain.info click on My transactions and the addresses are on the left. local bitcoin-qt for transactions lookup on blockchain.info, it shows the transaction the bitcoin-qt is v0.8.5-beta the test net is current from github still nothing verify ??? Thanks 8 ) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 16, 2013, 11:49:54 PM You're using blockchain.info wallet or bitcoin-qt? If on blockchain.info click on My transactions and the addresses are on the left. No, not blockchain.info wallet, bitcoin-qt wallet ??? Thanks 8 ) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on December 16, 2013, 11:54:02 PM Stop using testnet.
You should see your payment to canary under transactions. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 17, 2013, 12:18:10 AM Stop using testnet. You should see your payment to canary under transactions. on mainnet I do see the payment, will canary see it? Thanks! 8 ) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: cp1 on December 17, 2013, 03:49:03 AM He'll see the payment, but without signing a message you can't prove that it was you who sent the payment.
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: 7queue on December 18, 2013, 09:03:55 PM Finally figured it all out, used the address that I found on blockchain.info, singed message, switched tabs to verify message with ALL info used to sign the message, I wasn't copying the actual message and that is where I went wrong... doh!
Thanks! 8 ) Title: Re: Help: How do I sign a message using my blockchain.info address Post by: alh on January 18, 2014, 11:01:45 PM The guys at Amazon must just look at this and shake their heads. They have absolutely nothing to fear in terms of Bitcoin becoming a currency. What a silly bunch of hoo-hah.......
Earlier today, I stopped at Super America (a convenience store in Minnesota). I bought two items, and the cash part of my visit consumed maybe 30 seconds. I was done before Bitcoin could have figured out which way was up. I really don't get Bitcoin as a currency. Highly speculative commodity sure, but not currency. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: J_Dubbs on January 26, 2014, 05:51:12 AM The guys at Amazon must just look at this and shake their heads. They have absolutely nothing to fear in terms of Bitcoin becoming a currency. What a silly bunch of hoo-hah....... Earlier today, I stopped at Super America (a convenience store in Minnesota). I bought two items, and the cash part of my visit consumed maybe 30 seconds. I was done before Bitcoin could have figured out which way was up. I really don't get Bitcoin as a currency. Highly speculative commodity sure, but not currency. This is called the "early adopter" phase, although the innovators here might not agree with that. 80% of consumers are sheep, followers that think of one goal associated with money: Spending it. Buying coffee, gas, new shoes, etc- the early and late majority represent the consumer segment, and for them to adopt BTC into their lives it needs to be simplified, it needs a better user experience, specifically for daily spending activity on the go. No one is arguing about the role of BTC in this very moment; it is essentially a speculative investment vehicle for high-risk trading types, a way to quickly transfer funds, and a spending tool for all us nerds that understand it. All in due time friends, if we build it they will come, maybe, if there's some focus on UX eventually. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: ManeBjorn on February 04, 2014, 02:01:31 AM EDIT: I got it. I verified it on the same page after generation.
It works now. There should be a send button to actually send the signed msg instead of all these steps. This is the most confusing deal I have seen. I can't get a payment from Canary because he requires my payment address to be signed. Not a problem at all with Canary I appreciate his care with escrow. I have signed plenty of purchases yet to receive money how do I send him a signed one to do that? I use blockchain. I go to receive money and sign and put in the message he asked for. Then I click sign. It generates a code and that's it. It will not verify when I check. Canary can't verify it. There is no send button after I generate either. What the heck do I do to get this signed and verifiable for Canary?? I am a MSCNE I have seen some pretty messed up ways to do things but this takes the dam cake. CanaryInTheMine I am sorry for the delay this is just not an intuitive way to get this done. Thanks for any help you all can give me. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: CryptKeeper on February 27, 2014, 03:17:26 PM The guys at Amazon must just look at this and shake their heads. They have absolutely nothing to fear in terms of Bitcoin becoming a currency. What a silly bunch of hoo-hah....... Earlier today, I stopped at Super America (a convenience store in Minnesota). I bought two items, and the cash part of my visit consumed maybe 30 seconds. I was done before Bitcoin could have figured out which way was up. I really don't get Bitcoin as a currency. Highly speculative commodity sure, but not currency. The same can be said about credit cards, but they are accepted all over the world. The way you pay cash at the counter involves a lot of background activity, which isn't for free. Whenever you draw notes out of an atm, there are costs involved (even if you are not seeing it directly, but you pay for it sooner or later). When the merchant counts the money and brings it to his bank, there are again costs, but he must pay his invoices and he can't do it with cash. Most people don't see the costs that cash or credit cards implicate, but it's there and we pay for it. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: bigredbutton on November 07, 2014, 04:12:20 PM EDIT: I got it. I verified it on the same page after generation. It works now. There should be a send button to actually send the signed msg instead of all these steps. This is the most confusing deal I have seen. I can't get a payment from Canary because he requires my payment address to be signed. Not a problem at all with Canary I appreciate his care with escrow. I have signed plenty of purchases yet to receive money how do I send him a signed one to do that? I use blockchain. I go to receive money and sign and put in the message he asked for. Then I click sign. It generates a code and that's it. It will not verify when I check. Canary can't verify it. There is no send button after I generate either. What the heck do I do to get this signed and verifiable for Canary?? I am a MSCNE I have seen some pretty messed up ways to do things but this takes the dam cake. CanaryInTheMine I am sorry for the delay this is just not an intuitive way to get this done. Thanks for any help you all can give me. I'm having the same problem. Using blockchain.info wallet. I followed every instruction in this thread. I see my address, I input a message, I generated a signature.. Now what?? Title: Re: Help: How do I sign a message using my blockchain.info address Post by: lophie on April 10, 2015, 10:47:33 AM Sorry to revive an old thread but I think my question is very relevant. I have been looking around with no avail. Anyone here knows how to sign messages using blockchain.info's API? Thanks
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: dezoel on April 10, 2015, 10:58:45 AM File - sign message, select address message: hello signature: HyEGS89+1+1mm91Iexyy5dwuZjfDPBotiNbMkWR3r+tSUSm51LV8xX9RmGYeB6RmRuMqQKi7KSoxmCumbhQDKJs= File - verify message, enter same address message: hello signature: HyEGS89+1+1mm91Iexyy5dwuZjfDPBotiNbMkWR3r+tSUSm51LV8xX9RmGYeB6RmRuMqQKi7KSoxmCumbhQDKJs= Message verified now I understand how to sign and verify message, thanks a lot man.. :D Title: Re: Help: How do I sign a message using my blockchain.info address Post by: lophie on April 10, 2015, 11:06:04 AM Sorry to revive an old thread but I think my question is very relevant. I have been looking around with no avail. Anyone here knows how to sign messages using blockchain.info's API? Thanks I am really stuck with this guys, please help if you know anything. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: Jayjay04 on August 24, 2016, 04:38:34 PM How to sign a message with the new blockchain.info wallet ?!?!
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: x4 on August 25, 2016, 03:09:05 PM How to sign a message with the new blockchain.info wallet ?!?! Please just back read mate there are many users who help the OP on how to solve this issue. And to OP I guess because your problem has resolve already now you can lock this thread to avoid spamming answers from any forum members here. ThanksRegards. Title: Re: Help: How do I sign a message using my blockchain.info address Post by: bapparabi on August 25, 2016, 04:06:21 PM there is not direct way to sign message in blockchain.info for this you have to go different way use the private key to import your address in any otehr wallet and then sign message ..
Title: Re: Help: How do I sign a message using my blockchain.info address Post by: Fglxrp on November 30, 2017, 02:35:42 PM I know that's an old thread but thanks for clarifying.
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