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Questions tagged [networking]

The tag has no usage guidance.

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0answers
22 views

Creating a tunneling (wormhole) service for bitcoin wallets

Zcash recently announced a new wallet and service to connect mobile devices to a node running on a private home network using a tunneling service they are calling "wormhole" (1). Basically it is ...
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2answers
33 views

How could LN mitigate NAT transversal problem?

As we all know, IPv4 address space is already exhausted, many ISPs have deployed carrier grade NAT (CGN). So how could an LN node living behind NAT deal with NAT transversal problem? How could two ...
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1answer
37 views

Is Bitcoin network an overlay application network?

Is Bitcoin network constructed with just Layers 1-4 of the OSI model? Or it's an overlay application network? Can someone please explain about structure of Bitcoin network? Thank you
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2answers
109 views

Possibility of detecting MAC address spoofing in Bitcoin network?

The paper that has been published here: https://dl.acm.org/citation.cfm?id=3282283 proposes a consensus algorithm based on distributed voting process in which it claims that it would be possible to ...
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3answers
51 views

Why is a softfork unable to divide the network?

I was wondering why a soft fork cannot in principle divide the Bitcoin network as a hard fork can. I understand that a soft fork, by definition, involves only tightening the consensus rules, but the ...
0
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1answer
48 views

How does blockchain ensure that a closed loop in network is not formed?

Suppose there are 9 nodes and each node can connect to 8 other nodes. All these 9 nodes connect to the 8 others. Then when a new node comes where does it connect to in this case? All the current nodes ...
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1answer
401 views

bitcoind is refusing to connect to my other server [closed]

bitcoind is refusing to connect to my other server
0
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1answer
66 views

Do any altcoins use a DHT for connecting to peers?

Bitcoin doesn't use a DHT for connecting to peers. Are there any altcoins that do?
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2answers
141 views

Should port forwarding for running bitcoin be done also on the ISP's router?

Follow up question on What is the NAT traversal technique used by bitcoin. The network architecture described here https://superuser.com/questions/1109859/2-routers-connected-in-series-and-port-...
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1answer
312 views

Run a full node with multiple IP addresses

I run a full Bitcoin node on a powerful server however rather than setting up multiple I was wondering if it's possible to use multiple IP addresses on one installation and one running process? ...
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0answers
19 views

What is the minimum amount of network messaging needed to get the latest block hash from a node?

Reference: https://en.bitcoin.it/wiki/Protocol_documentation#inv I want to be able to write the simplest possible script that is able to contact a Bitcoin full node (given it's IP and port) and get ...
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0answers
44 views

Is there a reliable way to check that my ip is not being leaked?

I am running bitcoind behind a VPN ( core 0.14.2, OS is ubuntu, the VPN software is the privateinternetaccess app ). My VPN comes with a kill switch feature: when the VPN disconnects all traffic is ...
1
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1answer
93 views

I bought Bit Coins while on a Bidding site. They were bought with my Credt card. How do I trace them?

I bought Bit coins on a Bidding site that only used Bit Coins. I never used them. How can I find them? This was almost 6 years ago. It was $10.00 worth and that bought 10 bitcoins... Thanks
3
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1answer
113 views

IPv6 and Bitcoin, privacy risk?

Im not great with networking, especially IPv6, but my ISP must have enabled IPv6 as Im starting to see peers both in and out with IPv6 addresses. I dont have a static IPv4 address, and releasing/...
3
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1answer
2k views

Running a Bitcoin node (behind Firewall / NAT or anything else? disallowing inbound connections)

I consider running a bitcoin full node on a raspberry Pi 3. I want to attach the raspberry Pi into my home-network (wifi). When I check my IP address I have a public address to the outside (which is ...
2
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0answers
81 views

Quantity of traffic on test network

I want to begin experimenting with bitcoin. I notice the estimated upload traffic for the real bitcoin network is around 200 GB per month. That's too much for an experiment. How much traffic per month ...
3
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1answer
152 views

What is [::]:0 address in bitcoin debug.log?

I am trying to run and connect multiple nodes on a single machine, i.e different nodes using different ports. I am having trouble in connecting the nodes and making them talk to each other. While ...
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0answers
553 views

Setup a private bitcoin network

This question is similar to previosuly asked question Start a Private Bitcoin Network but since I can't comment there I am asking again. I am working on a concept specifically for existing bitcoin so ...
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1answer
903 views

Bitcoin peer to peer network source code

Does anybody know a place to get the source code of the Bitcoin Peer to Peer network? I only need the P2P network portion of the Bitcoin protocol. I am going to implement a new virtual currency. So i ...
1
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1answer
235 views

Are there any commercial nodes available so my transactions won't show my IP address?

Oftentimes my own IP address shows up as the "Relayed by ip" piece of data reported by Blockchain.info. Is there a commercial node available that I can conract with to act as relay so that my IP won'...
14
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5answers
28k views

How many MB of data does my bitcoin client have to download to be fully sync'd?

Buest guess/calculation? Transferred some bitcoins to my new wallet after generating an address. This was this morning, and have had my bitcoin wallet syncing all afternoon (5 hours), so far it has ...
3
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1answer
160 views

What external systems is Bitcoin commerce dependent on?

If there was a concerted effort to "shut it down", where are the vulnerabilities? The potential for the Bitcoin client to communicate with other Bitcoin nodes has been discussed at length, but what ...