Linked Questions

6
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
183 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
304 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
155 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
29 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 ...
39
votes
3answers
9k 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 ...
20
votes
4answers
23k 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
4k 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
558 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
141 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
124 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 ...

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