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Topic: Need help with Bitcoin (Read 1398 times)

legendary
Activity: 2982
Merit: 1485
July 02, 2015, 05:57:21 PM
#22
Also As I've seen you "hard earned" that money from faucets. Before making any business transaction you need to combine those inputs into one in 1 tx. If you're using Bitcoin Core, then it's quite easy. (I mean of course you can send it with a really high fee but there's a cheaper way).
You don't need to combine all of those inputs, and it may not be cheaper to do so. It certainly won't be more expensive. It is just as expensive in fees to send all of those inputs in one transaction to yourself as it is to send them all to someone else for payment. In fact, it could be more expensive (slightly) to send them to yourself because you must create 2 transactions, one to yourself and then one to pay other people, instead of one transaction which will both send change to yourself and your payment to other people.
"time" is more expensive than bitcoins.
Imagine that: You need to send person X some bitcoins. And you paid tx fee as 1kb = 10k sats. 5kb tx = 50k sats.  Because you have a hurry.

If you've combined them by paying 1kb = 1k sats days before and you would have paid 5k sats. Now you can send it with 10k sats fee with a "high priority tx".

If you think a few satoshis are important then ok. You might make your deals to take 1 day, Your cargo may be shipped 1 day later because of waiting confirmal...
hero member
Activity: 504
Merit: 500
July 01, 2015, 08:21:41 PM
#21
so how can I withdraw my bitcoin from that watch only address?

if the address is "watch only", you don't exactly own the funds in that wallet and it only means you are just monitoring the funds in there. all address you own have private keys so you can send funds from it.
staff
Activity: 3458
Merit: 6793
Just writing some code
July 01, 2015, 07:42:21 PM
#20
Also As I've seen you "hard earned" that money from faucets. Before making any business transaction you need to combine those inputs into one in 1 tx. If you're using Bitcoin Core, then it's quite easy. (I mean of course you can send it with a really high fee but there's a cheaper way).
You don't need to combine all of those inputs, and it may not be cheaper to do so. It certainly won't be more expensive. It is just as expensive in fees to send all of those inputs in one transaction to yourself as it is to send them all to someone else for payment. In fact, it could be more expensive (slightly) to send them to yourself because you must create 2 transactions, one to yourself and then one to pay other people, instead of one transaction which will both send change to yourself and your payment to other people.
legendary
Activity: 2982
Merit: 1485
July 01, 2015, 07:23:23 PM
#19
First of all if you have a bitcoin address then you already have it's private key. You (or computers create on behalf of you) need to create the private key first, then this priv key is converted into a public key (your bitcoin address).

If you say where did you get this address then we can help you to transfer your funds etc.


Also As I've seen you "hard earned" that money from faucets. Before making any business transaction you need to combine those inputs into one in 1 tx. If you're using Bitcoin Core, then it's quite easy. (I mean of course you can send it with a really high fee but there's a cheaper way).

1- Enable coin control
2- Select all inputs
3- choose the fee option as "1kb = 1000 satoshis".
4- then send them into a new address of yours. (It'll take some time (between 1 hour to six hours) but it'll be confirmed)...
sr. member
Activity: 392
Merit: 268
Tips welcomed: 1CF4GhXX1RhCaGzWztgE1YZZUcSpoqTbsJ
July 01, 2015, 11:50:55 AM
#18
I use blockchain to create new address...and I did not see any private key with the new address. And if I can send money from new address in blockchain without private key it is great but I am afraid that when I use the new address to send money it is required to put private key again.

I don't think you're getting the point of this. It is impossible for ANYONE to send ANY money without the private key. If you are able to send from Blockchain, it means that your Blockchain wallet DOES have the private keys, and you simply don't know where to look for them.

Frst, make sure that nobody is looking over your shounder or recording your screen with a camera.

Click Import/Export, and select the "export unencrypted" option. In the dropdown, select the "Bitcoin-QT format" option, as it is accepted by most wallets. You will see a text area with lines such as:

Code:
{"addr":"1XXXXXXXXXXXXXXXXXXXXXx","priv":"5J4XXXXXXXXXXXXXX","created_time":0,"created_device_version":"0","tag":2,"created_device_name":"external"}

The 5J4XXXXXXXXXXXXXX part is the private key for that address. Keep it safe.

Unrelatedly, "Need help with Bitcoin" is a extremely vague title for a thread in "Technical support" of a Bitcoin forum. Use a more descriptive title next time.
hero member
Activity: 560
Merit: 509
I prefer Zakir over Muhammed when mentioning me!
July 01, 2015, 07:45:51 AM
#17
I use blockchain to create new address...and I did not see any private key with the new address. And if I can send money from new address in blockchain without private key it is great but I am afraid that when I use the new address to send money it is required to put private key again.

Blockchain.info is getting wierd and very buggy. I highly recommend you to start using desktop wallets(https://bitcoin.org/en/choose-your-wallet) or if really want to use an online wallet, then use GreenAddress.
newbie
Activity: 9
Merit: 0
July 01, 2015, 04:58:44 AM
#16
I use blockchain to create new address...and I did not see any private key with the new address. And if I can send money from new address in blockchain without private key it is great but I am afraid that when I use the new address to send money it is required to put private key again.
copper member
Activity: 1218
Merit: 1007
Post your ann & bounty just contact me
July 01, 2015, 03:58:18 AM
#15
oh, my god! It is mine not other but I forget whether I already generate private key or not? So how about my money in that address?

this is my bitcoin address : https://blockchain.info/address/1HZgwYXr7cKLqp9UYK1MGTeJGUS6U5juVc

any why where you get your addres ?
are you use blockchain or you use another exchanger like bittrex or Bitsamp ?

hero member
Activity: 686
Merit: 500
July 01, 2015, 03:54:13 AM
#14
Now I create new address in blockchain. when I send money to others does it need private key? and if it need where can I get private key?

You still didn't tell us what wallet you are using and we are asking since two years now , anyway I'd assume blockchain.info so ... If you created another account then by default you should be able to spend and receive money without any issues . (unless they changed something on the website) because it's been sometime I didn't use it .

And if you want your private keys to use them later on another wallet or whatever then here you go : https://blockchain.info/wallet/backups (all what you need , from Paper wallet to Unencrypted ones)
newbie
Activity: 9
Merit: 0
July 01, 2015, 03:47:20 AM
#13
Now I create new address in blockchain. when I send money to others does it need private key? and if it need where can I get private key?
newbie
Activity: 9
Merit: 0
July 01, 2015, 03:40:32 AM
#12
Ok, so I delete it now. Thanks for your ideas mates.  Cry
legendary
Activity: 1092
Merit: 1000
GATCOIN : The New Currency Of Digital Marketing
July 01, 2015, 03:34:23 AM
#11
oh, my god! It is mine not other but I forget whether I already generate private key or not? So how about my money in that address?

this is my bitcoin address : https://blockchain.info/address/1HZgwYXr7cKLqp9UYK1MGTeJGUS6U5juVc

Without private key , it will stay forever in that address.
Can you elaborate more ?, how can you get that address and what wallet are you using ?
newbie
Activity: 9
Merit: 0
July 01, 2015, 03:32:52 AM
#10
oh my god...it is so hard for me to get such amount of money. So there is no way to generate private key?

and this is another link from blockexplorer : http://blockexplorer.com/address/1HZgwYXr7cKLqp9UYK1MGTeJGUS6U5juVc
legendary
Activity: 1120
Merit: 1002
July 01, 2015, 03:29:14 AM
#9
anyway  it's only     0.0081644 BTC    you dont have lost a lot man Wink
newbie
Activity: 9
Merit: 0
July 01, 2015, 03:25:46 AM
#8
oh, my god! It is mine not other but I forget whether I already generate private key or not? So how about my money in that address?

this is my bitcoin address : https://blockchain.info/address/1HZgwYXr7cKLqp9UYK1MGTeJGUS6U5juVc
legendary
Activity: 1092
Merit: 1000
GATCOIN : The New Currency Of Digital Marketing
July 01, 2015, 03:22:46 AM
#7
show how can I withdraw my bitcoin from that watch only address?
If i am not wrong, it means you have imported an address to your wallet ( most likely blockchain ) without its private key, so you can't spend any btc in that address, only person who has the private key can spend it.
legendary
Activity: 1120
Merit: 1002
July 01, 2015, 03:22:14 AM
#6
show how can I withdraw my bitcoin from that watch only address?
you can't from a "watch only wallet".
hero member
Activity: 686
Merit: 500
July 01, 2015, 03:20:05 AM
#5
show how can I withdraw my bitcoin from that watch only address?

If you are using Blockchain.info (you still didn't tell us what wallet you are using) then this is your answer :


What does "Watch Only" mean?

"Bitcoin addresses come in two parts - a public key and a private key. The public key can be used to view an address’s balance and transactions, but it cannot be used to make transactions without the private key. The private key is the important part which proves ownership of an account and allows Bitcoins to be spent.
When addresses are labeled with “no private key”, it means the private key is not contained in your My Wallet data. You must have a backup of this key elsewhere (e.g. paper wallet) in order to make transactions."

Source : https://blockchain.info/wallet/technical-faq
newbie
Activity: 9
Merit: 0
July 01, 2015, 03:17:35 AM
#4
so how can I withdraw my bitcoin from that watch only address?
hero member
Activity: 686
Merit: 500
July 01, 2015, 03:16:02 AM
#3
I have bitcoin address but it does not have private key. So can you tell me how to generate private key from existing bitcoin address?

That's simply impossible mate , if we could that then everyone can steal anyone else Bitcoins . Now unless you are using Offline wallets like Electrum , Bitcoin Core , Multibit I don't think you will have access to your Private keys .
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