Questions tagged [network]

a network allows computers to communicate and exchange data

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votes
2answers
44k views

Why is my node synchronization stuck/extremely slow at block 2,306,843?

Using macOS 10.12.1 with Ethereum Wallet 0.8.7, nodes are connected but Sync doesn't even start. Stuck at block 2,306,843. What can I do? Please keep in mind, I am neither a coder nor a tech geek.
0
votes
1answer
40 views

I've created a private blockchain with geth and curious if this ether is real and spendable? [duplicate]

I have a small private network which generates roughly 20,000 ether daily.. I read of this private network configuration often and it seams like people are actually using this Ether as real ether that ...
0
votes
1answer
20 views

What if I close a wallet program in midst of a transaction?

Suppose I start a transaction in my wallet program (such as Mist or MetaMask). Also suppose the transaction is delayed (for example because of being connected to zero peers) and I exit from the ...
0
votes
0answers
47 views

When to use the slow Ethereum network?

The Ethereum network works very slowly. I often am connected to 0 peers. So what are (GMT) hours when it works the best, for accomplishing a transaction? Also, which week days it work the best? ...
1
vote
1answer
381 views

What is faster the main network or Ropsten?

Ropsten sometimes works VERY slowly. What's about the main network? What is usually faster the main network or Ropsten? I do not yet have Ether to try to deploy something on main network and I want ...
0
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0answers
820 views

Ropsten Network down?

According to Etherscan the last mined block was block 2933931. However, my node is stuck at block 2933993. On their website they are announcing the following: "Node Resynch in progress. Indexing ...
2
votes
2answers
7k views

How will an Antminer F3 even work?

So, there is this rumor about a massive 72GB of ram "ASIC" miner coming up from bitmain specifically to mine Ethereum. I knew that Ethereum is ASIC resistant, so how would this potential miner even ...
4
votes
1answer
350 views

Is there a way to debug live smart contracts on main network?

Debug button doesn't work on Remix when targeting a live smart contract. What are my other options? Can I copy the current main Ethereum network snapshot with ganache and then run my own transactions?...
6
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3answers
3k views

Removing a peer/node

I'm running on a private network at the moment, is there a way to remove a peer from your node without restarting Geth?
16
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2answers
92k views

How fast should be an internet connection to mine ETH?

How fast should be an internet connection to mine ethereum and don't have connection issues? What about ping? And, how many GB of data would get downloaded over a month period? I have a 250GB limit.
0
votes
1answer
108 views

Wrong network used on metamask by mistake [duplicate]

I have bought some HUR tokens through metamask (transaction is confirmed) but cannot see the tokens in the wallet. I sent the ETH over main network, instead of rinkeby test network- what can i do??
2
votes
0answers
198 views

What are some guideline specifications for running a full Ethereum node using Geth 1.8?

I'm keen to run a full Ethereum node to support the network. What are the guideline hardware requirements for this?
0
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1answer
175 views

Using node in local network as provider

I am using web3js, I've set up an ethereum node in my network in a laptop via mist, now I'd like to run a web3js script that uses that node as provider; var PROVIDER = "192.168.1.40:8545" // I've ...
32
votes
3answers
11k views

What happens when a transaction nonce is too high?

From Design Rationale: One weakness of the account paradigm is that in order to prevent replay attacks, every transaction must have a "nonce", such that the account keeps track of the nonces used ...
6
votes
1answer
420 views

Ethereum network messaging

I am trying to "join the dots" around the networking aspect of Ethereum. From the documents, it seems, the underlying protocol is RLPx that powers the ÐΞVp2p Wire Protocol. Though TCP provides a ...
0
votes
0answers
30 views

Does cellphone 4G tethering wifi cause the Ledger 'transaction rejected by server' error?

I have just tried once again to make an ETH transaction using the default suggestion of 45 Gwei, which seems much too high. Yet it was rejected by the server, and the Ledger support has only emailed ...
0
votes
1answer
48 views

Does running Ethereum Wallet support the network?

If I keep the Ethereum Wallet open, am I helping the network? Am I mining?
6
votes
1answer
928 views

Status of Swarm vs IPFS

I have been studying ipfs for a few days.. still a newbie.. its a amazing protocol. So is Swarm. Correct me, if I am wrong, but right now ipfs cant be used for long term storage or even as a backup. ...
0
votes
1answer
851 views

Connect Geth to solo network

I've done a lot of searching and found lots of information on how to create an Ethereum private testnet and etc, as well as connecting to the newly created Ethereum private testnet through geth in the ...
4
votes
1answer
481 views

Redundant PoS node setup

This is a question regarding to computer networks and high availability with remote nodes but it relates directly to Proof-of-stake so I think this would be the place to ask instead of superuser, ...
1
vote
0answers
83 views

Private Blockchain Reserved Nodes Disconnecting

Using Parity I have a private blockchain with 5 reserved nodes specified with --reserved-nodes /path/to/file. After a few days of conectivity, the reserved nodes stop talking to each other. It is ...
0
votes
1answer
589 views

ETH transaction from Jaxx wallet to Binance is still unconfirmed…

Transaction ID 0xa6167ff0addb9e638ac5fc7406d9c238d46c976c37867e6c8700d5cdd3376511. It's been an eternity, considering how quickly transactions process normally. Is there network congestion right now?...
2
votes
1answer
68 views

question about the network of blockchain

Tell me please. with whom does the first interaction occur when starting the client \ wallet? I'm trying to understand how the client works. Blockchain is a decentralized system, but if it needs to ...
1
vote
1answer
169 views

Private Blockchain - Nodes Lose Connectivity

I have a private blockchain (using Parity) where initially, all the nodes talk to each other, but over time (usually 9-18 hours) they lose connectivity until they all drop off and have zero peers. ...
2
votes
3answers
594 views

Private Network Handshaking With External Pools

I am trying to run a private network and I'm doing this by providing a bootnode for all my nodes. Every now and then I notice on my nodes that I will receive peers from outside the network. Upon ...
5
votes
1answer
451 views

Mobile Light Client Networking

I've been able to create a private networking using the command line Geth tools, so I have been trying to recreate it using the Android light client Geth. On the command line Geth, I made sure the ...
3
votes
1answer
53 views

Where are transactions sent?

My current understanding is that when I send a transaction I am sending it to the ethereum network. What I don't understand about this is how exactly this happens. Let's say I'm using myetherwallet, ...
5
votes
1answer
545 views

Why does java Ethereum use UDP? - isn't devp2p TCP only

Looking through the source code for java ethereum I see UDPListener is part of the org.ethereum.net.rlpx.discover package and that this seems to use NioDatagramChannel (Netty's way of handling UDP ...
5
votes
1answer
78 views

Should a new node on the network execute all the transactions since the very first?

This question might be dumb, I'm sorry in advance. I only had that much time for gaining expertize. Say there is a huge working blockchain full of smart contracts and transactions on those smart ...
0
votes
1answer
356 views

how to make geth import faster? [duplicate]

my computer is mac and it has run geth import for about a week, and it's 4000000 block now. I have ran geth --fast before and it's slow too. I am in china, is it something i can do to make it faster?
6
votes
2answers
613 views

Why are these transactions not broadcast in my private network?

There are 3 nodes in my development environment. I use eth.sendTransaction to post some transactions ,and it seems that the transactions are not broadcast to other nodes. JSON-RPC Request is : {"...
2
votes
2answers
963 views

How many nodes are supporting Ethereum Classic?

To avoid high fees, I am considering deployment of Smart Contracts on Ethereum Classic (around 20 fold cheaper than ETH) but a concern is about network soundness and security. So I was wondering how ...
3
votes
1answer
2k views

How to get my enode URL to use/show external IP

When I run a (custom dev and test network) parity node on my mac from the command line, it starts up and displays my enode as enode://c2f9c6a...85b1d@192.168.0.241:99999 where the IP address is my ...
1
vote
0answers
81 views

Geth networking error

I ran Geth today for the first time. While it was running, I researched how to use fast mode. It turned out that I would have to restart it. So I closed the terminal and restarted Geth in a new ...
0
votes
2answers
171 views

Using different Ethereum network in Metamask in different tabs

Is there any way to have Metamask use, for instance, the mainnet in one Chrome tab and Kovan in another? Thanks!
11
votes
6answers
3k views

Are there any alternative programmable networks to Ethereum?

Are there any alternative networks to Ethereum which are also being developed (which can compete) and can work in similar way in terms of storing and executing decentralized programmable code blocks? ...
3
votes
3answers
1k views

I'm getting this message on Parity

I'm getting this message on Parity "Connecting to the Parity Node. If this informational message persists, please ensure that your Parity node is running and reachable on the network." I ...
2
votes
1answer
450 views

Why is the Rinkeby testnet only available when using geth and Kovan only available when using Parity?

Why is the Rinkeby testnet only available when using geth and Kovan only available when using Parity? Why is it not possible to connect to every testnet using every client? All clients can connect to ...
1
vote
0answers
96 views

What (distributed) mechanism for broadcasting transactions and messages does Ethereum's P2P implement? [duplicate]

What (distributed) mechanism for broadcasting transactions and messages does Ethereum's P2P implement? I know that each node on the Ethereum network is only connected to a (small) subset of the other ...
5
votes
2answers
3k views

network port udp:30303 could not be mapped: no UPnP or NAT-PMP router discovered

I keep getting this error and cannot start my geth client anymore. Google searched for awhile couldn't bring me to any working solution. Do you know how to resolve this?
1
vote
1answer
282 views

Can Ethereum network exist without ETH currency?

Theoretically speaking, is ETH currency necessary in the future to run the Ethereum network with all its possibilities like Dapp and Smart Contracts? I understand that you need to pay gas to miners, ...
2
votes
2answers
75 views

Best way to check you're connected to the real main net?

If you're running an application which connects to a node to send and validate transactions, what is the best way to check the node is connected to the real Ethereum main net? I'm thinking of the ...
12
votes
1answer
4k views

Peer discovery not working on private network

I'm running 3 nodes with the following command: geth --verbosity 4 --autodag --nat any --genesis /opt/blockchain/genesis.json \ --datadir /opt/blockchain/data --networkid 4828 --port 30303 --rpc ...
23
votes
3answers
7k views

How many nodes are there on the Ethereum network?

When looking on the Ethereum Network Status site, only a limited number of nodes are listed. How can I discover how many nodes there are currently running in total?
1
vote
1answer
132 views

Run geth and mine in different locations?

In one location I have renewable power, at my friend's place, but the internet is filtered, so p2p/geth seems to be blocked. At home I have unfiltered net. Is it possible to run geth at home (...
1
vote
0answers
113 views

How to test forked block on local machine?

Read this article How can I reliably induce a blockchain fork for testing purposes?. Example from that thread is outdated, and need to be refreshed. First my step is create initial chaindata from ...
2
votes
1answer
230 views

Is this notice to update to Geth 1.6.6 via windows.net legitimate?

A few days ago when opening Ethereum Wallet version 0.8.9 I received popup windows notifying me to update the Wallet to 0.8.10 and Geth to 1.6.6. Here is a screenshot of the latter: This notice ...
8
votes
1answer
139 views

How are the network shards allotted to miners?

Are they allotted randomly? And, is there an upper limit for the number of shards for a particular miner? Generally, it is 2-3, but is there a defined upper bound? And what is the process/process in ...
12
votes
3answers
1k views

Smart contract consensus for dummies

I've read a few other questions/answers on smart contract consensus by nodes in the network, but I still don't understand the steps. Here's how I picture it: Two parties might agree upon a smart ...
1
vote
2answers
426 views

How to have two geth full nodes communicate over ssh tunnel

I have a VPN separating two nodes, one which can access internet at large, one which cannot. I can VPN from the internet-accessing node (here called nodeA) through an intermediary server (here called ...