Linked Questions

3
votes
0answers
835 views

Bitcoin miner's earnings from transaction fee per block? [duplicate]

I understand the basic concepts of Bitcoin and Blockchain. As I understand, any bitcoin transaction has a transaction fee that is user adjustable. This needs to be above a certain value which can ...
58
votes
2answers
91k views

Can someone explain how the Bitcoin Blockchain works?

I'm trying to figure out how the blockchain works and how to read it via blockchain.info website. Is there a laymen way of explaining how the block chain works and how to read the blockchain to trace ...
22
votes
3answers
3k views

What happens if there are no transactions in a block?

What happens if there are no transactions in a block? Suppose there is a 10 minute time frame in the middle of the night, maybe on a holiday, and there are no transactions made. Do the miners get ...
19
votes
2answers
17k views

What is the extraNonce?

This question helps identify the various components of the getwork "data" field, but I'm curious where the extraNonce comes from. My hunch is it's the first four bytes of the second half of the data, ...
3
votes
6answers
7k views

Who issues bitcoins and how?

I can't find information on who actually issues the bitcoins. I understand that miners generate new bitcoins but what party is responsible for issuance?
5
votes
2answers
3k views

Must a Block contain a coinbase transaction?

Must a block contain a coinbase transaction? If so, how is this enforced?
4
votes
2answers
2k views

How did Satoshi manage to mine so many bitcoins being the first user of the system?

I'm just learning about Bitcoin and if I understand its conception properly, mining bitcoins means validation of transactions by computing a hash which should satisfy some preset condition. In other ...
6
votes
1answer
4k views

How does a new block get distributed

I understand how a new block gets created, and verified by the miner that created it. But then, does it advertise this new block to near nodes? And how do these nodes go about verifying this? Do they ...
6
votes
1answer
981 views

Why doesn't the same miner always win?

If the miner with the strongest ability to solve the block wins, why doesn't the same miner win every time? Wouldn't that miner still have the strongest ability to perform the proof of work on the ...
4
votes
2answers
1k views

Why does an adversary have to control 50% of the computing power to double spend?

If transactions in a block are valid, in order to add that block in the block chain, a proof of work needs to be found. I have read the bitcoin paper by Satoshi. If the difficulty of the proof of ...
1
vote
3answers
2k views

Transaction marked as “Newly generated coins” on Blockchain.info

On blockchain.info I saw a transaction labeled as "No inputs (newly generated coins)". Are these new coins generated from mining? How come that such a transaction can have 30 confirmations, while ...
1
vote
2answers
1k views

Is mining an instant process or it generates fraction of coins constantly?

There are hashing calculators in the internet that tells the average amount of bitcoin you'll make in a period of time. I know that when you generate a block you gain 25 BTC (I guess it is still the ...
1
vote
3answers
2k views

How a block is defined (size, number of transactions)?

While exploring the Blockchain.info charts, I learned that: The average size of blocks is increasing (max=1MB). The number of transactions in one block is also increasing. After reading some related ...
3
votes
1answer
2k views

Pairing pattern of txids in merkle tree

For constructing the merkle tree txids are paired and hashed. ¹ But how are these txids paired? Does it happen chronologically or is there a certain pattern of pairing?
4
votes
2answers
895 views

If Btc2x doesn't have replay protection does that mean all transactions can be automatically replayed in btc2x?

I believe btc will have a lot higher economic activity at the time of the fork. If anyone sends funds in btc, what stops someone who don't like btc2x to just replay that same transaction on btc2x? ...

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