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May 27, 2017, 09:53:32 AM *
News: Latest stable version of Bitcoin Core: 0.14.1  [Torrent]. (New!)
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1  Bitcoin / Development & Technical Discussion / Re: Post your SegWit questions here - open discussion - big week for Bitcoin! on: Today at 02:30:25 AM
Any fork will maintain the blockchain prior to the fork, so any coins from before the fork will always exist on the two blockchains created by a fork.

How a fork will affect the value of a coin cannot be known.
2  Bitcoin / Development & Technical Discussion / Re: Have Bitcoin's consensus rules ever been changed? on: May 26, 2017, 10:16:23 PM
Certainly. The consensus rules change with any fork, be it hard or soft. All planned forks to date have been soft forks. To see what these are, look at the list of BIPs: Anything listed as "Consensus (Soft fork)" and has a status of "Final" are all of the BIPs for soft forks that have already been activated.
3  Bitcoin / Technical Support / Re: Unconfirmed transaction on: May 26, 2017, 10:13:31 PM
Post the transaction ids.
4  Bitcoin / Armory / Re: Several issues with testing on: May 26, 2017, 10:13:12 PM
Those issues are bugs.
5  Alternate cryptocurrencies / Mining (Altcoins) / Re: Question about LTC solo mining on: May 26, 2017, 10:12:13 PM
How does then for example viaBTC's transaction accelerator works? I know they change the order of transactions (include) before the block is found but still, wouldn't that mean that after they add a new transaction they would have to start their work over?
Yes. When a transaction is "accelerated", all that happens is that the transaction's selection priority is changed. So the transaction is only actually included in a block the next time they need to reselect the transactions, which happens once the nonce and extranonce fields have been exhausted.

(Not how it works but) Let's say viaBTC finds a block but still want to include one more transaction into that same block, can they do it? 1. Would the block still be valid after that?
No, the block would now be invalid.

2. Would it be a very miniscule thing to do? 3. Or would they have start the whole mining of that block again and it would take them the same time that it takes to mine any other block. (hope I'm not asking the same question)
They would have to do the same mining process again as they have built an entirely new block by including a single different transaction.
6  Alternate cryptocurrencies / Mining (Altcoins) / Re: Question about LTC solo mining on: May 26, 2017, 04:16:53 PM
No. It is all secured by the block hash that you find. The hash of all of the transactions (called the merkle root) is included in the block header which is what you hash when mining. If you change any transaction (change a transaction, remove a transaction, add one, reorder them, etc.) the merkle root will change and that will change your block hash.
7  Bitcoin / Technical Support / Re: Impossible to stop unconfirmed (low fee) transaction, automatically resending? on: May 26, 2017, 12:02:44 AM
Shut down Bitcoin Core. Find the Bitcoin Core datadir. Delete the file named mempool.dat. Open or create a text file named bitcoin.conf (.conf extension, no .txt extension). Add the following line to the file:

Now start Core. You should be able to do Abandon Transaction now.

Once you create your double spending higher fee transaction, stop Bitcoin Core and remove the line you added to the bitcoin.conf file.
8  Bitcoin / Armory / Re: I apparently am dumb as hell on: May 25, 2017, 10:02:20 PM
Download and install Bitcoin Core. Run Bitcoin Core and let it sync. Once it has fully synced, then start Armory. It will do its own syncing off of Core and that should be it. Make sure you use the latest version of Armory, 0.96. If you run into issues, I suggest that you upgrade to our 0.96.1 testing version which has some bug fixes on top of 0.96.
9  Economy / Web Wallets / Re: Help Needed! With the transaction. on: May 25, 2017, 06:30:03 PM
The fee is too low. Who recommended you that fee? If so, that is your problem.'s wallet has absolutely horrendous fee estimation, among several other issues.

Your transaction only pays a fee of 129 sat/byte, which is way lower than the 390 sat/byte recommended by
10  Bitcoin / Technical Support / Re: Transaction not confirmed/Error on fee on: May 25, 2017, 02:58:53 PM
Please read
11  Bitcoin / Technical Support / Re: Need Help with 0/unconfirmed, in memory pool on: May 25, 2017, 02:56:45 PM
Firstly, if your only concern about Core is that it is using too much disk space, you can enable pruning. Go to the Bitcoin Core datadir and find or create the bitcoin.conf file (it's just a text file with a .conf extension). Then add the following line to it:

That will reduce the size of the blockchain to ~1-2 GB. What it does is it will just delete the blockchain except for the most recent 288 or so blocks. As you get more blocks, the oldest blocks will be deleted to make space for the new ones.

If you really want to go ahead with transferring the Bitcoin to a new wallet, you will need to do a few things to get abandontransaction to work. First, stop Bitcoin Core. Then go to the Bitcoin Core datadir and delete the file called mempool.dat if it exists. Then start Bitcoin Core with the -walletbroadcast=0 option. Then you should be able to do Abandon Transaction.
12  Bitcoin / Mycelium / Re: Make miners to forget my transaction on: May 25, 2017, 02:47:16 PM
AFAIK, you can't have Mycelium "forget" about your transactions.

You can't force anyone else on the network (like miners and nodes) to forget about your transaction.

All you can do is wait for everyone to forget the transaction or for it to confirm.
13  Bitcoin / Technical Support / Re: Running really old version of Core(0.9.1). How to update to the most recent one? on: May 25, 2017, 02:45:19 PM
Thanks! So just download the newest version of core and swap in my wallet.dat file ?
Yes. You don't even need to change anything in the datadir (like swapping in the wallet.dat file) since the latest version of Core will just use what is already there.
14  Bitcoin / Technical Support / Re: What can cause bitcoin-qt-13.2 to not comletely respond to block request? on: May 24, 2017, 03:47:26 PM
How are you requesting the block? Can you show us the code?
15  Bitcoin / Technical Support / MOVED: First time buying BTC, please help. on: May 24, 2017, 03:18:13 PM
This topic has been moved to Trashcan.

Removed upon request
16  Bitcoin / Armory / Re: Node offline + POLLERR error on: May 23, 2017, 08:47:20 PM
Try starting Bitcoin Core manually. First start Armory. Then uncheck the "Let Armory run Bitcoin Core in the background" box in File > Settings. Then stop Armory. Start Bitcoin Core and let it sync and get fully started. Then start Armory. It should then say that you are online. Then you can send. If you are not online, you will not be able to send transactions.
17  Bitcoin / Development & Technical Discussion / Re: How do bitcoin/altcoin lite wallets work? on: May 23, 2017, 08:42:54 PM
A lightweight wallet connects to a full node and asks from that node for information related to itself. It essentially gives that node a list of its addresses and asks that the full node only relay transactions which pertain to those addresses. The private keys themselves are still stored within the wallet and are not exposed to the full nodes that it connects to. In exchange for the convenience of not having the entire blockchain, you lose some privacy and security as you have to trust that the full node is providing the correct data.
18  Bitcoin / Technical Support / Re: Address shows that it's recieved alot of coins in the client but 0 on blockchain on: May 23, 2017, 04:56:51 PM
It's likely that there originally were transactions to your wallet but they were unconfirmed and were eventually dropped by the network. Your wallet still remembers them though which is why it displays them to you. The question mark next to them indicates that the wallet is confused about those transactions since they are there locally but not in the blockchain.
19  Bitcoin / Armory / Re: how to deposit armory funds into alphabay on: May 23, 2017, 12:41:08 AM
ah ok,.. i also forgot my password, is there anyway i can find this password?
No. If you forgot your password, then you can't do anything with the wallet.
20  Bitcoin / Armory / Re: how to deposit armory funds into alphabay on: May 23, 2017, 12:36:07 AM
no no i want to send bitcoins from alphabay to armory.. it's not gving me an armory addres
Click the Receive Bitcoin button and you will get an address you can use. Your wallet does not just have one address, you will get a new address every time you click Receive Bitcoin.
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