Linked Questions

7
votes
1answer
4k views

How do bitcoin nodes initially find peers? [duplicate]

In all materials related to bitcoin, the people talk about the p2p bitcoin network. OK, but there should be a central server that connects the peers to each one. Like the torrent sites. The torrents ...
5
votes
1answer
4k views

How does bitcoin find peers? [duplicate]

I've seen a few questions about this already and they talk in generalities. I'm talking about specifics. If I start the bitcoin client from scratch, where in the source code does it actually add nodes....
0
votes
1answer
190 views

How does bitcoind find p2p hosts? [duplicate]

I read the bitcoin references but I can't find a description regarding how bitcoin clients find other host in the p2p network. Would you please tell me?
1
vote
1answer
306 views

Where does bitcoin-qt try to connect to when running for the first time? [duplicate]

My question is, where does bitcoin-qt try to connect to when running for the first time? How does it know where to connect? Is blockchain.info some domain that has discovery services? If yes, then ...
0
votes
1answer
161 views

When I make a transaction, how is it broadcasted to other clients? [duplicate]

It's a really nooby question, and with no doubt asked before, but if someone could tell me a)how are other clients found b)how is the information send to them (please explain in a simple way, ...
2
votes
1answer
36 views

How does a new node know where to connect to initially? [duplicate]

Is there a default (centralized) set of IPs that a node connects to when it's just starting up for the first time, in order to get the list of other nodes' Ips? What happens if these initial IPs are ...
0
votes
0answers
21 views

Noob question, how do nodes know about other nodes [duplicate]

I'm new to the p2p tech and I would like to figure out how it is working. How a new node knows ip addresses of other nodes, if there is no server? Writing classic software we usually hardcode a server ...
40
votes
3answers
10k views

How does the bitcoin client make the initial connection to the bitcoin network?

Once the bitcoin client is connected to a machine (or multiple machines) on the bitcoin network, they can share information (e.g. the block-chain, IP addresses of other nodes, etc). I understand how ...
21
votes
4answers
24k views

How are transactions broadcast to the rest of the network?

If a person sends a transaction to another person, and Bitcoin is a peer-to-peer application, how will the transaction get to the rest of the Bitcoin community? How does everyone have the same ...
7
votes
1answer
5k views

How do Bitcoin nodes know where to send new transactions and blocks to?

I am researching Bitcoin; what I can't find much information on though is how the P2P network itself operates. For example, BitTorrent uses a DHT protocol that allows for node discovery and ...
5
votes
2answers
5k views

How does a bitcoin transaction enter the network?

I am trying to understand Bitcoin at a more fundamental level. I'd like to know how a new transaction enters and propagates across the network? I've read many Bob and Alice type scenarios where it's ...
2
votes
3answers
1k views

If bitcoin is decentralized then who keeps track of computers in network

I keep hearing that bitcoin is decentralized i.e. no single entity owns it. And each computer which is part of bitcoin network keeps the copy of ledger. My question is who keeps track of all ...
2
votes
3answers
2k views

How is Bitcoin truly decentralized?

Whenever Bitcoins are discussed, one generally reads how "Bitcoins are decentralized. No company nor state controls them". My question is, how is this statement true when you read about how Bitcoin ...
5
votes
1answer
577 views

How peer discovery works after connecting to hardcoded nodes?

I am tinkering with the bitcoin source code and trying to understand the exact working of peer discovery mechanism in the testnet mode for which I have made the following changes: Disabled the DNS ...
1
vote
2answers
157 views

From where does a node download a copy of the ledger

From where does a node download the latest copy of ledger initially? Is this information stored in a 'central server'? Let's say a node is offline for a while, after coming back how will the node get ...
0
votes
1answer
163 views

AWS ELB for Bitcoin node discovery?

I was able to locate the following discussion (and a few others that were marked duplicate of this one) on node discovery in Bitcoin: How do Bitcoin clients find each other? I guess, the primary ...
0
votes
1answer
125 views

Where does the blockchain come from?

When I first download Bitcoin Core, and Synchronize with the network, where am I actually downloading the block chain from? The point of bitcoin is that there is no canonical source, yet I must get ...
2
votes
1answer
139 views

How is the distributed transaction log stored in P2P network?

After mining, a block is validated and broadcasted by the miner. Then, where does this newly mined block get stored at? Where does my Bitcoin client pull the transaction data from?
0
votes
1answer
107 views

How can Blockchain help to vote?

I have seen in some videos and blogs that Blockchain can be used in our election voting system for example here: Another company working on creating a platform that uses Blockchain technology to ...
0
votes
1answer
43 views

How do miners communicate in Bitcoin/ Decentralized Network?

1.)If there is no central authority maintaining database how miners differentiate among other miners. 2.)Do they have there own database which have details(Mac/IP address) of neighbouring miners . 3....
0
votes
1answer
96 views

General Block Chain questions / Js Block Chain [closed]

First of all. I'm very new to block chain technology so please forgive any noob questions. So I'm going a lot on the following tutorial on youtube regarding the knowledge that I do have other than ...
2
votes
1answer
64 views

How do my bitcoin peers become diversified from the set of stable nodes?

I read through a variety of threads on initial peer discovery like How do Bitcoin clients find each other? and How does the bitcoin client make the initial connection to the bitcoin network? and they ...
0
votes
1answer
60 views

Who is a first miner that receive a transaction from end-user?

This is a First Question. As you already know, the blockchain like Bitcoin, Ethereum is a software program based on peer to peer network system. so I am wondering that who is a first miner that ...
0
votes
1answer
54 views

How does Bitcoin Core manage its peer nodes? Is it possible to let it automatically switch to faster nodes?

It's usually frustrating when my Bitcoin Core full node is syncing, especially just catching up from merely several hours/days ago. I wonder how does Bitcoin Core manage its peers? Will it disconnect ...
0
votes
1answer
33 views

Where do transactions get sent?

Related: how do transactions get to miners, but I'm looking for a slightly (and only slightly) more technical discussion. Say I download a lightweight bitcoin client and set up a wallet on machine A. ...
0
votes
1answer
40 views

How can Server-less communication take place between clients?

I was thinking to design a application which is not dependent on server and can directly send and receive data to and from other clients.I learned it is possible with UDP but how can new users join in ...