Linked Questions

2 votes
1 answer
2k views

Is the hash of the previous block included in the block header?

What the title says above, but for more clarification I am asking whether the hash of the previous block header is part of what is hashed to create the header of the new block? Like what are all the ...
James P.'s user avatar
  • 122
1 vote
1 answer
308 views

Why does everyone talk about the blockchain being a record of transactions if it’s just a hash?

I’m trying to get to know how cryptocurrency works and everyone treats the blockchain like an active record of every transaction, like if someone wanted to reuse the same bitcoin with the same code ...
Johnafoon's user avatar
1 vote
1 answer
243 views

How and when do nodes stop broadcasting a transaction?

Suppose a node begins broadcasting a signed transaction. Question 1. At what stage is the signature verified? In §5 of the whitepaper, verification only appears during block acceptance after mining. ...
user516728's user avatar
1 vote
1 answer
208 views

What are the parts of a Blockchain?

In the following article What Are Bitcoins? How Do Bitcoins Work?, it is mentioned that a blockchain is composed of three parts: Identifying address History Private key header Although, after taking ...
Shak Smith's user avatar
1 vote
1 answer
372 views

Where can one find the best explanation of the blockchain? [duplicate]

Sorry if these questions seem stupid but after a lot of research I still feel rather lost and confused !! I understand what is bitcoin and have a fairly good understanding of the basic blockchain idea ...
MFJC's user avatar
  • 111
1 vote
1 answer
1k views

How many peers do you need to securely synchronize with the blockchain?

What is the minimum number of peers required to securely synchronize my local blockchain copy?
Noureddine's user avatar
1 vote
1 answer
542 views

Understanding blockchain 'under the hood' how a block is created

Bitcoin newbie here: I'm trying to understand the concept of the blockchain but what I don't get is what's going on behind the scenes? So let's say that there are only 10 miners in the universe and ...
adhg's user avatar
  • 123
0 votes
1 answer
36 views

Number of main chain in a blockchain network

I just have a very basic doubt. Suppose there's a public blockchain network like Bitcoin comprising several nodes. Would it be possible that this network consists of multiple mainchains??I am not ...
Mainak Sikdar's user avatar
0 votes
1 answer
53 views

Blockchain / Bitcoin / Previous address / Next address

New to learning about the Blockchain ... The Blockchain requires a Token for use. It is my understanding that the Token (or rather the code implementing the Token) is responsible for filling up the ...
Casey Harrils's user avatar
0 votes
1 answer
839 views

How to find values of Prev_Hash and Tx_Root

https://bitcoin.stackexchange.com/a/13347/27951 Based upon the answer here, it seems there's values per block with each Prev_Hash and also Tx_Root There doesn't seem to be much documentation for how ...
Anthony's user avatar
  • 151
0 votes
1 answer
213 views

How does a Bitcoin client know its transaction has been accepted by the whole network?

Say Belly, Alice and Teddy are Bitcoin clients. Belly makes a transaction to send 1 btc to Alice. He broadcasts this transaction to the P2P network. Teddy calculates a valid hashcode and add Belly's ...
Lai Yu-Hsuan's user avatar
0 votes
1 answer
684 views

Help understanding the blockchain [duplicate]

I am trying to better understand the fundamentals of the BLOCKCHAIN. I am not technical and am hoping someone can offer up an explanation in LAY TERMS. Thanks in advance.
Bitnewbie63's user avatar
-2 votes
1 answer
275 views

Blockchain complete architecture [closed]

Can someone give me brief description/reference about bitcoin blockchain architecture (preferably with a architecture diagram)?
Vijesh's user avatar
  • 185
1 vote
0 answers
32 views

Is bitcoin client really downloads the full transaction info? [duplicate]

I started learning bitcoin and found this wiki: https://learnmeabitcoin.com/beginners/network And there is this statement: When you run the client it will connect to other nodes and start downloading ...
Fun Coder's user avatar
1 vote
0 answers
223 views

How does the bitcoin network remove duplicate blocks being generated by multiple miners?

Say there are two minersA&B and each of them have produced the next block almost at the same instant. In this situation how is the network going to decide which one is the main block and abandon ...
Mainak Sikdar's user avatar

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