Gopoi
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Whats the process of Creating a Block on the BlockChain
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10 votes

When miners try to compute a block, they pick all transactions that they want to be added in the block, plus one coinbase (generation) transaction to their address. They may include any transaction ...

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How do miners select which transactions to include in a block?
Accepted answer
7 votes

A bitcoin node's (bitcoin's standard client acts as one) first function is to relay transactions on a best effort basis, it only relays valid transaction. The miner which also is a node will try to ...

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How to experience the thrill of mining?
5 votes

You can always try the testnet it is really easy to mine on it since difficulty gets reseted to difficulty one. Just start your bitcoin client with the -testnet parameter (and -gen if you want to CPU ...

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How will multisig addresses work?
5 votes

Transcation in bitcoin are actually scripts, where normaly it states one input and one output address. But there are other op code such as CHECKMULTISIGVERIFY script. Each signing party will have ...

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Help! I sent coins to my bitcoin wallet before it was properly synced!
5 votes

The sync of you wallet do not cause any trouble for retriving bitcoins. If somebody send you some bitcoins to your address and the transaction have been accepted you will receive you bitcoins when ...

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In case of physical wallet theft, quickest way to offload funds in wallet backup?
Accepted answer
4 votes

You do not need to send coin to another wallet, but you surely need them to be sent to another address (since the compromised wallet has compromised addres). What I would is go to http://blockchain....

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What wallets are compatible with Satoshi Dice?
4 votes

Satoshi dice uses the same address bitcoins were sent to send them back. There no wallet that does not permit that, how could you spend coins if at first you cannot receive them. The kind of "wallet" ...

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Does the program I downloaded (bitcoin-qt) mine bitcoins?
2 votes

The client cannot mine by itself you need a miner for that. However you will need the client to relay the blocks you find and to getwork if you mine alone. Try guiminer for starter it can mine on his ...

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How does Satoshi Dice's 'zero confirmations' transaction system work technically?
2 votes

A transaction simply link an older output transaction and reasign it. You can send bitcoin you just reveice because you can link to the other transaction immediately. Then the transactions can be ...

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What are the odds of discovering a block as a solo miner?
1 votes

To answer you question about what is the reward for mining a valid block. Currently 25 BTC, previously it was 50 BTC until block number 210,000 was mined. The current amount will be divided by 2 when ...

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Is it technically possible to create and use dynamic private key - public key pair and use it with bitcoin?
1 votes

No, it is not possible to do what you are suggesting. Here's more info about cryptography. You can create create an ECDSA keypair with almost any random data (it must a lower than a certain value, ...

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Bitcoin Mining ASICs used for cryptographic application? Rainbow tables?
1 votes

Lets say you want to build a rainbow table of double-sha-256, you then want to calculate 2^256 hashes which is 1.579*10^77 hashes lets divived by on the average ASIC power we have (one at 30Ghash/s): ...

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Securing bitcoin addresses in database
1 votes

You can always sign the address in the database, but you must be careful about it. When the user register you would to verify their info, sign their address on an offline computer (with an offline ...

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Is this an ok "poor man's 2 out of 3" key solution?
1 votes

The way you address this you should use the script CHECKMULTISIGVERIFY with 3 different key provide within one transaction each party having his own key. See here for an example that resemble with ...

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What is the maximal value of 1 BTC?
1 votes

All of those answer are right but they do not take in effect that bitcoins can, are and will be destroyed (I am talking about lost bitcoins not the network crash). That said the value of one bitcoin ...

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Best way for anonymous purchases (for small amounts only) with credit card or Paypal if you have Bitcoins to spend? Bitcoin-OTC? No name credit card?
0 votes

There are prepaid credit card that exists you just buy them at a convenience store for cash and you can go make transaction with bitcoin-otc. To get started on bitoin-otc try out this, it explains ...

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What will happen when the time field wraps around
0 votes

We will need to change the protocol, because if we let things go node will never accept any block past the wrap around. The protocol can be changed because of the version field but we need a ...

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Can we use a Paper Private Key that has been loaded in the Bitcoin client?
0 votes

Why do you need to use bitaddresss.org you could simply use a tool that generate key from your offline computer? The tool I think would fit is pyWallet, you just need to start ./pywallet.py --web (you ...

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Ways to buy bitcoin (I'm in the US)
0 votes

There are many sites indeed and some over the counter transaction, but for the sake of being short. Try: Mt. Gox You can draw money from your bank account and put it in escrow for BTC and vice-versa....

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What effects would a scalable Quantum Computer have on Bitcoin?
0 votes

The algorithm that compose the bitcoin's address are ECDSA and will be completely broken (you would be able to find one's private key with the public key). So you would be able to spend anyone's ...

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Can I create a deterministic wallet and export/disclose indiviual keys without compromising the wallet?
0 votes

It all depends on how your deterministic wallet was created, if it's somthing hash based it would be secure. What you need is that it is impossible to discover the seed with the actual private keys, ...

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Does sending from a green address improve my anonymity?
0 votes

The transaction in The Bitcoin Network are public, but the addresses are what enables you your privacy. If youy pay from a bitcoin address the receiver will know that address but your other private ...

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bitcoind -- how can i get the number of peers to exceed eight?
0 votes

The number of connections does not really matter, but you should still have more than one (else that one could be a malicious person). Also we could not imagine everybody connected to everybody in ...

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