Questions tagged [network]

a network allows computers to communicate and exchange data

Filter by
Sorted by
Tagged with
1
vote
0answers
443 views

Etheruem Wallet: Can't Switch Back To Main Network

When I open my Ethereum Wallet, I'm automatically assigned to Test-Net. I can switch to a private network I created. Then I have the option to go back to the Main network, from the menu options, but ...
1
vote
1answer
238 views

How could i add a peer in a running network of ethereum private network without stopping network and sync it with network also?

I am running a private ethereum blockchain on 4 nodes which i am using as a static nodes but now when my network is running i want to add another peer in my network and sync that peer with my network ...
3
votes
1answer
350 views

Easiest way to check which Ethereum network is being accessed?

Does anyone know of any Web3 queries that can be used to determine whether the underlying node is running for example, Ethereum vs Ethereum Classic? Would eth_protocolVersion be a suitable query for ...
2
votes
1answer
2k views

What geth command options have been depreciated/removed?

I'm looking at this tutorial. It includes this line: geth --genesis %PATH%/Ethereum/testnet/genesisblock.json --datadir %SAME_PATH%/Ethereum/stateinfo --networkid 1234 --nodiscover console As I ...
4
votes
1answer
533 views

How do the protocols used in Ethereum (e.g. Whisper, P2P protocol suite) map onto the OSI model?

It would be useful to have a mapping of all of the protocols involved with the Ethereum implementations on to the OSI model (or equivalent). The protocols might include: Whisper, devP2P, IPC, RPC, ...
4
votes
1answer
95 views

What happens if the Ethereum network is separated?

Say China's internet suddenly is separated from the rest of the World (by accident or government action). Miners in China keep mining Ethereum blocks, all other miners, as well. Then after a couple ...
2
votes
2answers
408 views

Is it possible for Ethereum to collaborate with BOINC + World Community Grid networks?

Many developers envisage Ethereum's potential to harness distributed computational processing rate to potentially/hypothetically overtake our worlds most non-distributed clusters. http://www....
3
votes
1answer
101 views

Akasha on Normal Internet?

Is it possible to have the Akasha platform accessible on normal internet / intractable via simple URL? Congratulations to all Akasha developers, I hear very positive reviews so far! : ) One possible ...
4
votes
1answer
50 views

Can client updates / upgrades be pushed over the ETH network?

Is it possible for ETH clients to securely receive a live push notification/version update like the way OSX, MacOS does? What are the pros and cons? : ) There could be a contract filter to gain ...
3
votes
0answers
186 views

Simple hello packet

I am trying to generate a simple hello packet for handshaking with a remote Ethereum client using the encode method from the rlp library. from rlp import encode hello = bytearray(encode([0x00, 4, "...
13
votes
3answers
7k views

Why doesn't my Ethereum node have any peers?

I'm running an Ethereum node using geth and it can't find any peers. I've already tried the time sync command suggested on the wiki. My bandwidth is good.
2
votes
1answer
562 views

How to validate information on the network?

This question details sending a message with Ethereum :How do I send an arbitary message to an Ethereum address?. Say we have two parties P1 & P2 , if P1 sends a message to P2 how can P2 verify ...
3
votes
0answers
242 views

Ethereum Wallet testnet not synching when mining

I am trying to mine on the testnet. Unfortunately, my Ethereum Wallet (latest version using Geth 1.5.3) kind of gives up doing anything when I click on start Mining on testnet. The time counts up is ...
2
votes
1answer
105 views

What is a one word noun for Ethereum?

Suppose I have the following sentence in writing: "MyCoolDApp is an application built on the Ethereum _______." What is the best word in the blank? Platform, Network, System, or Blockchain?
4
votes
1answer
1k views

Connecting nodes in private network

I have two ubuntu systems with ethereum installed. I started the node in each system using the following command : - geth --datadir 'path of node folder' init 'path of genesis.json' geth --datadir '...
8
votes
1answer
1k views

At any given time, how many nodes is my node connected to? As the number of nodes in the network increases, will communication between them be faster?

I have been reading through the DEVp2p documentation and cannot seem to wrap my head around some aspects of the network. Specifically, how many nodes is my node connected to? Does this number change ...
4
votes
1answer
2k views

Testnet chaindata folder size huge (26.9 GBs)

How come my testnet chaindata folder is so big? I'm running Ethereum Wallet 0.8.7. Deploying little test smart contracts. Actual chaindata size is 9.4 GBs.
4
votes
1answer
3k views

Ethereum Wallet suddenly cant find peers anymore

I have a problem with my Ethereum Wallet. It was fully synchronized previously and constantly resynched while it was open and also after several shutdowns of the machine. Now, it suddenly stopped ...
3
votes
1answer
1k views

Node's IP exposed

I've run an Ethereum full node using Geth. I want to know if my public IP is exposed? Could hackers target my machine through the Internet?
0
votes
1answer
34 views

What exactly would be lost if we had a single, super-powerful centralized node? [closed]

That question might sound completely trollish but it is not. Imagine that eventually all nodes are turned off except for a single, centralized supercomputer which did all the contract-executing work. (...
4
votes
1answer
118 views

Does using contracts require port forwarding?

I'm following the guide for creating a user service as described here. When I place the urlfetcher.py file in ~/.config/pyethapp/contrib directory and restart pyethapp: $ pyethapp run I get the ...
2
votes
1answer
286 views

Connecting two nodes not on same network

Is it possible to connect two private ethereum nodes that are connected to different internet service providers? I have tried and successfully connected the nodes over same network and it works. How ...
4
votes
0answers
452 views

Unstable connection between peers on a private network

I created a private net, I've been trying to connect two Ethereum nodes because I need one of them to mine the transaction made by the other. The two nodes are on different machines and networks. I ...
2
votes
0answers
222 views

what types of graph data are produced by the ethereum network? [closed]

I'm curious, what sort of node-link graph data is produced by the Ethereum network? I imagine there there is a graph of all transactions, and a higher level graph of miners and the blocks they mined. ...
2
votes
1answer
81 views

Mist not synching/opening

My hard drive was recently replaced due to internal damage and the old data was uploading onto the new hard drive. Since then when opening ethereum wallet 0.7.3 it is stuck and wount synch. the ...
8
votes
1answer
3k views

How to connect NodeJS to the Ethereum network?

I have Mist wallet running on Windows 8. I want to connect my NodeJS applcation to the Ethereum network. I have no idea where to start. Could you point me to the direction I should be looking at? Are ...
2
votes
1answer
44 views

Running network commands

I'm an ethereum newbie and have installed ethereum on mac using commands : brew tap ethereum/ethereum brew install ethereum referenced from https://ethereum.gitbooks.io/frontier-guide/content/...
6
votes
1answer
648 views

How does Ethereum client select which peers to synchronise with?

On start up the discovery protocol uses a Kademlia style approach to find peers. Thus we obtain a local routing table which holds the (IP address, UDP port, and node ID) of some online and alive peers....
3
votes
1answer
622 views

Is there any way to white list ethereum node peers by public key and ip?

Is there anyway to set (white-list?) your Ethereum node's peers by public key and ip address? I'm specifically playing around with a private network right now, but this should be relevant to the ...
2
votes
1answer
77 views

Can someone help me read this stat concerning “distinct miners”?

Scrolling on https://etherchain.org/ , I was looking at "distinct miners" statistics( https://stats.etherchain.org/dashboard/db/distinct-miners ). I just can't figure out what it shows concerning the ...
5
votes
2answers
703 views

Is it possible to prevent nodes from mining on a private blockchain?

Is it possible to prevent mining on a closed block chain, in a sense that only a set of addresses are allowed to perform transactions but are not allowed to mine? Mining should always be done by a ...
1
vote
0answers
62 views

Can you provide a real world example of using Ethereum network? [duplicate]

Is there any practical real world example which you can provide in order to understand the simple benefits for using Ethereum network by the ordinary user? Especially in terms of purchasing something ...
2
votes
1answer
136 views

Etherum network topolgy in private and main nets

I was wondering, what do the peers the ethereum client connects to, do? Do they store the block chain, fragments of it or point to other nodes that store it? From a topology perspective, how does ...
2
votes
1answer
752 views

What is the Ethereum network architecture? What are the major components of this?

I'm looking for a visual (preferred) or a description of what Ethereum "looks" like to a network architect. For example, in contrasting Bitcoin, it consists of: "Full nodes" runs C++ code Uses QT ...
8
votes
1answer
195 views

Registrar in a private testnet

I've created a test network --networkid="11111" and I was able to create the "greeter" contract as an excercise. Now, I'm following this guide and I am trying to register a name, but with no luck: ...
8
votes
0answers
381 views

Peermanager is unable to connect to nodes

I'm following this guide and am trying to create a private network with its own block chain and peers. I managed to install docker following this guide (I'm using a debian 8 jessie virtual machine) ...
1
vote
0answers
48 views

Can I create my own Ethereum 2 network? [duplicate]

I'd like to fork Ethereum code (hypothetically) to create my independent Ethereum-like network (another world-like computer network with its own structure). How can I reset or create new sets of ...
8
votes
3answers
1k views

Is there a point to hide Ethereum nodes with TOR?

From a privacy perspective, is there any point in trying to torify ethereum nodes? I know there's a script to do that in bitcoin, although doing so may ironically made the bitcoin node more ...
6
votes
1answer
337 views

Is it possible to make Zeronet p2p websites as client of Ethereum Dapps?

Is it possible and does it make sense? You can browse some cool P2P-websites (work without any servers) inside the network through this gateway. Or you can browse them without any gateways if ...
5
votes
1answer
4k views

How to connect Mist to a remote private network? [duplicate]

I have seen option to connect Mist to a privatenet here like this geth --networkid 1234 --ipcpath /Users/you/Library/Ethereum/geth.ipc Looks like the path is hardcoded somewhere in the code. How ...
4
votes
2answers
3k views

How can I cancel a not yet pushed transaction in Mist?

I created a transaction while not connected to any nodes in Mist wallet and I don't want to announce it to the network anymore. How do I withdraw this transaction with 0 confirmations? My concern is ...
8
votes
1answer
992 views

Losing connection between nodes on private network

I have 3 nodes running on a private network. After asking this question, I've manually added node1 as peer to node2 and node3, so my network looks like this: _______ ...
4
votes
1answer
1k views

Creating a cluster on private network

I'm currently running geth. I have 4 nodes in my network and I'm willing to make them interact with each other. On host-01, I've run: geth --identity "Node1" --genesis /tmp/eth/genesis.json --rpc --...
2
votes
1answer
2k views

Writing own mining software

Is it possible for someone to write his own Ethereum miner who would choose which transactions to execute according to own logic? Is there a mechanism for the network to discourage this type of ...
16
votes
2answers
2k views

Why is the launch of homestead important?

There seems to be an expectation that the launch of homestead will increase the value of ether and improve the network somehow? What changes are coming?
63
votes
1answer
10k views

Why is the average block time 17 seconds?

The network stats show a constant average blocktime of around 17 seconds. Whenever you check it is around 16~18 seconds. Reading the blog post by vitalik buterin it states the block time should be 12 ...
5
votes
1answer
238 views

How can I verify that the network sees my node?

I've set up an Ethereum node on a spare Raspberry Pi 2 with a 64GB memory card. I used the excellent instructions found on github. The blockchain has synced. I have a few questions: How can I verify ...
6
votes
2answers
957 views

Ethereum fork of OpenBazaar

Is anyone forking OpenBazaar for Ethereum? OpenBazaar is a Bitcoin marketplace, and the OpenBazaar developers have expressed no interest to integrate any currencies other than Bitcoin.
4
votes
1answer
1k views

How to add a node to the Ethereum Network Status page?

How to add a node to the Ethereum Network Status page? Does that not happen automatically? What is required to get listed on that page?
21
votes
2answers
5k views

What is an Enode ID in Ethereum?

What is the definition of an Enode ID or Enode URI? What is it used for and how is it made?