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Questions tagged [nodes]

Questions concerned with (full) nodes, i.e. relay points in the Bitcoin network.

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2answers
1k views

What are the benefits of running a bitcoin daemon?

Can I get some fees on others transactions coming through my PC (creating blocks or whatever)? Transit-fees I mean. Can I get some tiny bits of newly mined BTCs just on keep running bitcoind.exe in ...
5
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2answers
9k views

What is a Bitcoin node?

There’s a lot of reference of "bitcoin node" in official FAQ or elsewhere. But, what is exactly a bitcoin node ? Is it a client like Bitcoin-qt or is it only a miner ? Or both ?
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1answer
315 views

Acting as a passive node rather than an active one using bitcoind

I currently have a bitcoind version:80500 running on a VPS. I am interested in using it to only verify transactions for me much the same way blockchain.info does. Is it possible to run bitcoind to ...
7
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1answer
258 views

Bitcoin Node Data Leakage

Besides an IP address and broadcasting transactions, what other pieces of information can be derived from a Bitcoin node in the network?
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1answer
143 views

How to connect to several Bitcoin nodes using Bitcoin

I'm looking for a way to connect to several Bitcoin nodes using Python... I've been looking in different Bitcoin-for-Python libraries, but I haven't found anything :( What should I do?
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2answers
229 views

Does a Bitcoin node need to scan through the whole blockchain in order to be 100% sure that a transaction sent to it is genuine?

Does a Bitcoin node need to scan through the whole blockchain in order to be 100% sure that a transaction sent to it is genuine (especially when some inputs are derived from coins generated in the ...
8
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3answers
2k views

At what point is a new wallet known by the Bitcoin network?

I was just showing a deterministic wallet to a friend who asked "At what point is the wallet known to the network?" and I could only guess by saying that it is known only when a transaction is ...
17
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1answer
2k views

What's the status of alternative full node implementations?

In "Does running an alternative full node implementation benefit the Bitcoin network?", I asked about running an alternative full node implementation for the benefit of the Bitcoin network. What is ...
5
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1answer
606 views

Does running an alternative full node implementation benefit the Bitcoin network?

I've seen discussions suggesting that a monoculture of full nodes is a risk to the security of Bitcoin. The accepted answer to the question "What benefit does a non-mining client provide to the ...
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2answers
1k views

Why is pruning not considered already at the moment?

I understand that Bitcoin scales in several meanings (Scalability), and pruning is one important concept of it (SE Question). I also understand that a "Simplified Payment Verification" (SPV) needs to ...
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1answer
302 views

What else can bitcoin inventory vectors be used for?

As described in the protocol specification bitcoin nodes respond to the inv command, which queries a node's knowledge of one or more objects, with an inventory vector. According to the bitcoin wiki, ...
20
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6answers
2k views

What encourages Bitcoin miners to relay blocks?

Lets say I'm mining bitcoins, and I've just received a new block that someone else has mined. What encourages me to send that block to anyone else. I can understand how the original miner wants to ...
2
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1answer
212 views

Can Ripple Unique Node Lists (of validators) be weighted?

My understanding is that in order to limit / remove the risk of collusion in the Ripple system the consensus mechanism relies on local Unique Node Lists (UNLs) specific to each node in the network (...
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2answers
2k views

How can I get my node listed on Blockchain.info's connected nodes list?

We are running bitcoind on our server and its blockchain is synchronized with the network. Do we automatically become a node and get listed on http://blockchain.info/connected-nodes, or is there ...
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2answers
129 views

Wallet versus client machine

Can I store my wallet on one machine while running the client on another? I'd like to help the p2p aspect of the network by leaving a dedicated machine connected...
13
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1answer
3k views

Can I addnode to blockchain.info?

Blockchain.info http://blockchain.info/connected-nodes shows a list of nodes it is connected to. Is it possible for me to add them as a node for connection?
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2answers
5k views

What are seednodes?

A follow up from a comment on this answer. What are seednodes, and how do they differ from fallback nodes?
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2answers
2k views

Are there any super nodes in the network?

Similar to BitTorrent trackers. Or are all peers equal in ability and importance?
8
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1answer
141 views

Does Bitcoin prefer broadcasting transactions crediting it?

I'm currently doing some double-spend testing, and it appears that the standard client prefers broadcasting transactions that credit its wallet. That is to say, a client that receives such a ...
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2answers
2k views

Is there a list of mining pools' Bitcoin nodes IPs?

Is there a list containing the IPs of Bitcoin nodes owned by various mining pools?
5
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1answer
367 views

How often does Bitcoin connect to the fallback nodes?

Does the standard client have a preference for connecting to fallback nodes (for example, by trying to have at least 1 connection to such node at all times), or are they treated like any other nodes?
10
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1answer
343 views

What benefit does a non-mining client provide to the network?

I know running a client will help propagate transactions around the network, but I also know a non-mining client will not contribute to the security of the network. Are there any other benefits of ...
5
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2answers
4k views

Internet speed required to run the Bitcoin client

What is the rough estimate of internet speed needed to run the standard client? Does a faster Internet connection increase the client performance (by that I mean how fast it updates its blockchain, ...