Transactions are signed messages regarding the transfer or generation of bitcoins. They are broadcasted through the network and, if accepted, integrated in the blockchain.
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Can an unconfirmed transaction that only Blockchain.info shows be manually re-broadcast?
Blockchain.info shows a transaction that was created by Blockchain.info/wallet but for whatever reason the transaction didn't confirm right away and appears to not be getting re-broadcast (perhaps ...
4
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1answer
47 views
How to take advantage of the free transaction relay policy?
I have about 0.027 BTC total, spread over 272 transactions.
Was going to send them to someone, and then the transaction fees hit me: 0.0245 BTC. This agrees with the answer to this question -- (272 ...
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1answer
19 views
In Deepbit how do you get the Bitcoins transfered to your wallet?
In Deepbit I've mined a fraction of a Bitcoin. How do I get the money into my wallet? Here it says "Instant payout button is shown when your balance is at least 0.01 BTC and you received less than 3 ...
2
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2answers
33 views
How does ASICMINER use the blockchain to record share ownership?
My understanding is that ownership of ASICMINER shares (direct ownership, that is; not passthroughs) is recorded somehow in the blockchain, itself.
How does that work, exactly? How can I confirm ...
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1answer
41 views
How does a client get the merkle branch of a transaction?
When the Bitcoin client receives a transaction, it checks if the transaction is confirmed. This is done by verifying that the transaction hashes correctly, in the merkle tree, to the merkle root in a ...
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2answers
101 views
What is meant by Bitcoin dust?
I've seen the term "dust" used to describe small transactions that might be considered as spam by the Bitcoin network. Is there is a generally accepted definition of this term?
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1answer
64 views
is it unusual for no daily activity? [closed]
On day 1 i spent syncing up the client and spending time on free bit coin sites to try and get started into bit coins.
On day 2 i spent more time on free sites and got 5 transactions 2 that remained 0 ...
3
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1answer
56 views
Do all private keys that are resolved to the same address give access to the bitcoins on this address?
The algorithm to get the public key and the address from a private key consists of a few steps.
Which of the intermediate keys is used to sign transactions with?
Ultimately, there can exist two ...
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3answers
107 views
What were IP transactions supposed to be useful for?
Besides sending BitCoins using wallet addresses, there used to be another way, through IP transactions as described in the wiki.
The disadvantages were obvious (man-in-middle attacks etc).
However, ...
2
votes
3answers
77 views
How are parts of Bitcoins traded? [duplicate]
I understand how whole Bitcoins are traded (each coin has its own identifier, this identifier is associated with a wallet), though I do not understand how it is possible to trade parts of a Bitcoin ...
0
votes
1answer
27 views
Setting up: sending and email
I've been using Bitcoin Wallet on windows 7 to receive payments successfully but after making my 1st BTC payment the transaction doesn't appear to be clearing (957 confirmations and counting).
The ...
0
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1answer
40 views
Solving a block and verification of transactions [duplicate]
My understanding of mining is that the reason an award of Bitcoin comes along with the solving of the current block is to give people incentive to actually try to solve the block. My understanding is ...
4
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2answers
55 views
Where's the bug in this unsigned transaction?
When I apply the JSON-RPC method decoderawtransaction to this unsigned transaction it returns {"result":null,"error":{"code":-22,"message":"TX decode failed"},"id":"t0"}:
01000000
02
...
3
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2answers
114 views
How to sign a transaction hash in ruby?
I'm trying to sign (using secp256k1) a transaction as explained here. I'm using my own private key and an unsigned transaction as the input.
I'm able to sign it using the JSON-RPC client, but when I ...
0
votes
0answers
19 views
Wallet not updating with received bitcoin [duplicate]
I should have received an amount of bitcoins but my wallet balance in the client is still showing $0. The transfer occurred yesterday, while the client was not running. I confirmed the whole ...
2
votes
0answers
17 views
What is the difference between time, blocktime and timereceived?
What is exactly the difference between
time, blocktime and timereceived
in transaction information returned by Bitcoind JSON RPC API? For example:
...
1
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1answer
97 views
Bitcoin sent to a defunct address - what happens to it?
I got the address for my account on a site and wrote it down. As I had had a huge hassle buying my bitcoin that morning due to problems with the vendor's site (and which they denied was at their end ...
0
votes
1answer
69 views
Programming a solution to know when a Bitcoin Address has stored a target amount [duplicate]
Sorry, I'm probably not going to use the correct terms here.
Does anyone know of, or how to use bitcoind (or of an external library) that can look at or even provide event driven mechanisms to ...
-1
votes
1answer
40 views
problem with bitcoin software [duplicate]
My following bitcoin comes up with errors which are saying "Wallet (out of sync) and also Recent Transactions (out of sync)"
Is this consistent throughout and will go away or is there a problem?
The ...
1
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1answer
26 views
Is the time value in transaction or block information the time it arrived at my client? [duplicate]
Both transactions and blocks have a time field when you use Bitcoin's getblock or gettransaction methods. The API method list defines the transaction time as " time the transaction occurred".
Is this ...
2
votes
3answers
151 views
What is the Merkle root?
The Bitcoin wiki Vocabulary article explains why the Merkle root exists:
Every transaction has a hash associated with it. In a block, all of
the transaction hashes in the block are themselves ...
1
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1answer
56 views
What is the number of transactions in a block?
What determines the number of transactions that can be validated in a block?
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1answer
13 views
Which function in which file verifies that transactions are the right size
Which file(s) are responsible for the procedure which confirms that transactions are well-formed, specifically that "Size in bytes < MAX_BLOCK_SIZE" as described in the Protocol Rules article on ...
2
votes
4answers
163 views
Why is mining necessary for the Bitcoin network/system? [duplicate]
I understand that a transaction is a record of 1+ Bitcoins being given from one party to another.
I understand that a block is a collection of unverified (pending) transactions that gets verified ...
1
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1answer
125 views
What are the pros and cons of different methods for transferring Bitcoins between different wallet services?
I am interested in transferring Bitcoins between several different wallets: my Mt.Gox account, my Bitcoin client wallet, and my Blockchain wallet. I am aware of two primary ways to transfer funds ...
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1answer
42 views
Transaction and Node Proximity Questions
Say I am a node (M1) in the bitcoin network who wishes to spend some set of bitcoins (T). M1 selects address (A1) with an associated node (M2) that he wishes to transact with and uses some process (F) ...
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2answers
61 views
Transaction Questions
Here is a scenario someone posed to me and I'd like to check the answer:
If I send a transaction that gets orphaned and I then issue another transaction from the same address (but include a fee) ...
3
votes
1answer
141 views
Explainations about chaining of transactions
I'm reading through Satoshi's paper, and in Section 2. Transactions, he starts by saying:
We define an electronic coin as a chain of digital signatures. Each owner transfers the coin to the next by ...
2
votes
1answer
210 views
How does Ripple decide on the exchange rate between different currencies?
When A pays in USD but B receives EUR, how exactly does Ripple decide on the EUR/USD exchange rate?
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1answer
74 views
Is it possible to execute a double-spending attack in Ripple during a network split?
From the spec (emphasis added):
Under a net split, a ledger may be closed by the minority of network, this ledger may be discarded in the future.
Does this mean it would be possible to spend ...
2
votes
1answer
193 views
What is the daily transaction limit for Bitinstant?
I know that bitinstant limits individual trades to 3 digits or $999 per transaction, but they make no mention in their FAQ about the size of the daily limit they impose.
I was wondering if anyone ...
7
votes
2answers
233 views
What are the pros and cons of Ripple's consensus as compared with Bitcoin's proof-of-work?
One of the major differences between Bitcoin and Ripple is how they process transactions. I can think of three ways in which Ripple's "consensus" scheme is superior to Bitcoin's proof-of-work:
Less ...
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votes
0answers
45 views
Bitcoin exchanger loopholes [closed]
What do you guys think about this : http://bitcointester.wordpress.com/2013/04/24/bitcoin-exchanger-loopholes/
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2answers
92 views
What motivates nodes (or miners) to relay transactions?
Miners want to include as many transactions as possible in their block to get the (optional) transaction fee. But what motivates them to relay a transaction further to the network? Is this done solely ...
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1answer
35 views
General question on Bitcoin [closed]
I heard about Bitcoin today. I'm interested, and I have a few questions. How does it actually work? I mean, how do I get bitcoins? Do I earn them by selling products, etc. or what? Can I spend the ...
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1answer
58 views
Mining software and miners verifications and how accept transactions
I'm looking how the mining software works and how miners can verify the transactions and how they can accept transactions or not, and I have some questions:
What software use miners to accept ...
1
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1answer
59 views
Transaction broadcasts and block synchronization
In the original publication about bitcoin, in section 5 it states that
If two nodes broadcast different versions of the next block
simultaneously , some nodes may receive one or the other first. ...
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1answer
89 views
An explanation of transaction scripts
https://en.bitcoin.it/wiki/Script
I'm trying to wrap my mind around them. Could anyone provide a bit more intuitive understanding?
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1answer
56 views
In which output (0 or 1) a transaction fee is included?
I need to know, if I have to pay a transaction fee, in which output of the transaction the fee is included? is it output 0 or output 1?
I suppose that normally there is only 2 outputs for a ...
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1answer
43 views
Can bitcoin system be modded to work without internet
Is it possible for bitcoins to manifest itself as concrete currency so that it can be used as paper money ?
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0answers
113 views
Missing transactions with blockchain.info
All of the quick send transfers I've made on blockchain.info do not show up in my blockchain.info history. Furthermore, a person I have made a few quick send transaction with is claiming 0 ...
2
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2answers
78 views
What is a cost-efficient, fast and easy method of transferring btc between own computers?
I use a few computers and would like to perform bitcoin transactions from any of them. Thing is, I'm not very fond of the idea of paying the fee and waiting every time I want to transfer the coins ...
4
votes
1answer
97 views
Why do first bitcoin transactions receive most confirmations?
My very first Bitcoin transaction has 740 confirmations, the next have 239, 212, 70, 43, 5, and 5, respectively. Is this just because my first transaction has had more time to get more confirmations, ...
4
votes
2answers
538 views
Who gets BitCoin transaction fees
Whenever I send BitCoins from one wallet or one exchange to the next there is always a fee... it makes sense with the exchange sites, they are just collecting the fee so they can make a living... what ...
2
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1answer
119 views
How to buy everything with bitcoins
Is there a place, where i can buy everything in other countries and pay with bitcoins?
I know there is a place somewhere.
6
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1answer
98 views
When a transaction is broadcast to the network, what is actually being sent?
When a transaction is broadcasted to the network, what is being sent? Is it a hash? if yes, is it going to be the hash of: previous transaction + public key of the receiver?
2
votes
1answer
63 views
VirCurEx - Balance vs Available Balance
So I have a VirCurEx account and I moved 1.5 BitCoins over to it... After the transaction was complete (like a day ago) I was checking and the website said "Balance - 1.5" which is correct but then ...
5
votes
2answers
312 views
Is it possible for the miners to collude to blackmail a single wealthy address?
Imagine if a few miners who together control more than 50% of the network hash power decided to charge higher transaction fees just for addresses containing really large sums.
For example, this ...
2
votes
1answer
122 views
How do I create the coinbase from the genesis block?
I wanted to write an application that given a timestamp(text basically) and a public key will generate a merkle hash for the creation of a new genesis block. So I decided to first try and re-create ...
2
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1answer
42 views
How should webapps handle addresses/wallets?
There is a ton of bitcoin information, but it's hard to find up to date best practices for making webapps. I am very comfortable making secure webapps, and I'd like to start some bitcoin related ...
