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How do you show your node on ethstats.net on Ubuntu 18.04?

I have followed every guide I can find. Official docs, Afri's stackexchange question, and almost every result on google. I think that they are all outdated. How do I add a node to ethstats.net? I am ...
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1answer
24 views

How can nodes fail

I am writing plans to support a parity blockchain cluster and need to determine guidelines for the DevOps team. What are the ways in which nodes can fail and back practice for handling these?
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31 views

How to create a custom sub protocol in ethereum p2p network architecture? [closed]

According to this ethereum wiki page https://github.com/ethereum/go-ethereum/wiki/Peer-to-Peer, i have gotten some useful information for creating a sub-protocol in ethereum's p2p network. In this ...
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0answers
25 views

Full archiving nodes

Does anyone know how many full archiving nodes are there in Ethereum network. I know this site https://www.ethernodes.org, but there is no way to discover which node is full node and wich one is full ...
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1answer
29 views

Connecting to remote node

I have created a node in my laptop. Now I want my friend (from his home) to connect to the node I created. We are part of two different networks. How can these two nodes be connected in ethereum. What ...
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1answer
83 views

Result of calling web3.version.getNetwork() from browser-side code is always undefined?

I'm trying to get the network ID from the Web3 object on the client side (i.e. - while running Javascript code in the browser). I have code that confirms that the object exists and it does. I have ...
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1answer
25 views

Verifiyng value in contract

Imagine a network where only specific nodes have ether and can run contracts, and there are other nodes, lets call then V, that only want to read the content produced by the other nodes. Is there a ...
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25 views

what's the difference between Main ethereum network, Ropsten, Kovan and Rinkeby for metamask? [duplicate]

I am confused and not sure which one should i choose. Any help would be greatly appreciated
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2answers
74 views

what is the protocol used in commuinication between ethereum blockchain nodes?

Let's say that we have many blockchain nodes managed by parity clients. what is the protocol used in communication between those nodes?
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0answers
33 views

Is it necessary to have the UDP port open for an Ethereum private net?

An Ethereum node requires both TCP (listener) and UDP (discovery) port (usually 30303) open and reachable by other nodes. My question: is it possible to run a private network with my node only ...
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0answers
19 views

Set up Custom nodes in Quorum

I have gone through the https://github.com/jpmorganchase/quorum-examples and it works good and fine. Now I want to make my own custom node Quorum Network what is the best method, tool or any guide ...
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1answer
115 views

Getting number of value transaction of a contract in the last 24 hours

I'm would like to get the number of value transactions (either tokens deposit or withdrawal) for a specific contract (I got its address) in the last 24 hours and also the total so far. Is it possible?...
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1answer
25 views

How to listen to inter-node communications regarding transactions

If I run a full node (say geth) in the Ethereum network, then the way things work out is that every node releases/ announces new transactions as they receive new ones. I'm assuming that my node must ...
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1answer
27 views

Is it possible to transactions together?

In bitcoin-land, it's advised to batch transactions to send them to (a) reduce fees and (b) reduce network congestion. Does the same apply to ethereum land? It seems that the to can be only one ...
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2answers
90 views

How does ethereum bypass the NAT

I wonder, since Ethereum is based on a decentralized p2p network, how does it get through the NAT Firewall? There is no server Ethereum can connect on, so there has to be a way for nodes to accept ...
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1answer
13 views

How to program ethereum's infrastructure?

I would like to create an ethereum network with some changes in the infrastructure, for example - adding some encryption, change the proof of work function and more. Do you know some environments ...
2
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0answers
63 views

Proof of Authority Finalisation

Are there uncles/orphaned blocks in a PoA-based network? How do we reach consensus which is the real chain if the chain is splited/ we have a fork? Do you know any possible attack vectors on such ...
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1answer
32 views

Is it possible to use low mining complexity to remove some certain transaction in the past?

I have a question that has concerned me for a long time. It relates to the security and reliability of the blockchain applications. Let's assume I want to build an application that uses Ethereum or ...
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1answer
201 views

How to synchronise Ganache-CLI accounts with Ganache-UI?

When I launch ganache-cli for Port 7545, it will create 10 accounts by default. ganache-cli -p 7545 However, when I then open the Ganache-Desktop-App, it will show different accounts and the ...
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25 views

A problem has been found in the part that sends / receives the Ether

We are building an Ethereum based private network using two PCs. A problem has been found in the part that sends / receives the Ether after building. So I want to find the answer to this part. Once ...
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119 views

How does reputation work in the Ethereum P2P network?

Nodes in the Ethereum P2P network assign their peers reputation in order to keep track of how well they behaved in the past and evaluate whether it would be preferable to disconnect from them. What ...
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1answer
75 views

a problem in building a private network using Ethereum

There is a problem in building a private network using Ethereum. Geth version : 1.8.3 stable OS & Version : windows 10 my scenario is as follows. the genesis block is as follows { "config":...
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1answer
31 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 ...
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1answer
17 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 ...
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34 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? ...
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91 views

What's sharing through P2P ethereum network?

I'm a new user of ethereum. I didn't succeed to understand exactly which fields or states are shared through the P2P network in ethereum. I mean, is each execution's step of the EVM shared, or just ...
2
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1answer
221 views

Setup PoS private network

I need to setup PoS private network with Casper and I cant find any official manual how to do it. There are only couple links which uses this git repo: https://github.com/karlfloersch/docker-pyeth-dev ...
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1answer
187 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 ...
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510 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 ...
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0answers
251 views

Connecting to remote Geth client from AWS hosted server via web3 needs fix

There is a general problem that is affecting most everyone who tries to initialize AWS hosted servers with a remote Geth instance. It would be great to have documentation to address a fix or at least ...
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0answers
44 views

Encrypted Handshake with pydevp2p

I am searching for an example implementation on how to do an encrypted handshake with pydevp2p. It is listed in Features but I can't find any documentation on how to do it.
3
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1answer
71 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?...
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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 ...
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1answer
71 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??
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152 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?
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1answer
129 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 ...
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1answer
250 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 ...
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0answers
23 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 ...
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1answer
45 views

Does running Ethereum Wallet support the network?

If I keep the Ethereum Wallet open, am I helping the network? Am I mining?
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185 views

bind: The requested address is not valid in its context

When I want to start an Ethereum node through the public network address(106.120.206.182:7999) always error(bind: The requested address is not valid in its context.),I tried to solve the problem by ...
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1answer
737 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 ...
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51 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 ...
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1answer
508 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
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1answer
62 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 ...
3
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1answer
38 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, ...
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1answer
265 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?
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1answer
435 views

I'll never reach final block updating with geth, it's too slow

I´m updating my ethereum blockchain with geth. But I feel it is going really slowly. Each block is done in 1 minute, sometimes 30 seconds, but at this pace I'll never reach the final block, ...
2
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2answers
602 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 ...
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1answer
127 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. ...
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1answer
923 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 ...