All Questions
Tagged with proof-of-authority private-blockchain
22 questions
2
votes
2
answers
924
views
Geth Proof of Authority Implementation
I have implemented PoA on private blockchain with following genesis.json.
{
"config": {
"chainId": 1515,
"homesteadBlock": 1,
"eip150Block": 2,
"eip150Hash": "...
- 177
1
vote
1
answer
285
views
Connect different machines with PoA
i want to connect two different machines in a ethereum private network!
I did it before with a normal PoW-Consesus but with PoA created by puppeth i cant see some Peers when i try:
admin.peers
...
1
vote
0
answers
101
views
Delay on receiving block by peered node
Sometimes it takes an around of 25ms to import new block by the other peered node after mined by miner. But sometimes it increases directly around 400ms to import block by peered node after mined by ...
- 2,249
3
votes
1
answer
119
views
Understanding what happens between transaction creation and block creation in Proof of Authority
I am currently writing my thesis where I'm investigating the potential of blockchain technology to become the underlying technology in a system that is create and record qualifications.
I'm at the ...
- 131
3
votes
1
answer
707
views
Clique PoA Private Blockchain: Need Suggestion for Block Gas Target and Block Gas Limit
I'm following this article to create my own PoA private blockchain.
Now I'm stucked at this section after number 13:
I've checked the Puppeth source code and Geth CLI docs, but I'm still not quite ...
2
votes
0
answers
778
views
Puppeth: No ethstats server configured
Update
This is an issue with Docker Compose >= 1.23.0 and I've raised this in the go-ethereum GitHub issues tracker.
I'm following this guide to create my own private blockchain using PoA consensus.
...
1
vote
1
answer
1k
views
how to setup hybrid PoW+PoS or PoA private network (geth)
I am aware about PoW and PoA setups of ethereum private networks but would like to know if anyone could help or point me the direction how to build a hybrid PoW + PoS or PoW + PoA ethereum based ...
- 167
3
votes
1
answer
2k
views
Is it logical to use "Proof-of-Authority" for a "public" blockchain?
According parity.io website:
Proof-of-Authority is a replacement for Proof-of-Work, which can be
used for private chain setups.
And also:
The chain has to be signed off by the majority of ...
- 2,700
3
votes
0
answers
79
views
Who Execute Transaction in PoA
In PoW, every full-nodes executes contracts of a block to confirm that the miner was doing honest work.
What about in PoA (proof-of-Authority)?
a. Only authorities will execute the contracts to ...
1
vote
0
answers
358
views
Calculate Private Proof-of-Authority TPS [duplicate]
With a private Ethereum Proof-of-Authority network set up containing 3 sealer nodes, what can we do to estimate the TPS (Transactions per second) of the POA network?
- 1,167
4
votes
1
answer
1k
views
Proof Of Authority vs Proof Of Work geth
In case of proof of work consensus mechanism miners compete with each other to solve the cryptographic puzzle and once a miner found the answer of puzzle , he will broadcast it to all the nodes ...
- 2,577
1
vote
1
answer
1k
views
Private Ethereum Blockchain and Parity w/ Proof-of-Authority
Can someone point me in the right direction. I want to set up a private Ethereum network using Parity w/ Proof-of-Authority to avoid mining. I've found an example with Geth, but can't find a good ...
- 113
0
votes
1
answer
292
views
dynamic Node Membership management in Ethereum Blockchain
I am a new bee in Ethereum Blockchain in implementing this as a potential solution for decentralized application. In the process of identifying the solution i have came across a problem where what if ...
- 1
3
votes
2
answers
2k
views
Private PoA Network doesn't mine
I have 5 (8GB/4vCPU) droplets (private networking enabled; IP's below are of this private network) running on DigitalOcean. I am startled because the workflow I outline below worked like charm locally....
- 69
1
vote
4
answers
2k
views
How to add more authority nodes in Private chain Proof of Authority
Scenario: I am running a private chain having some authority nodes. The entire network is running fine.
Question
How should I add more authority nodes in the network. Other than the ones defined in ...
- 1,688
16
votes
2
answers
5k
views
What is the safest minimum block time to use without having any problem on Proof-of-Authority consensus?
On the following blog, at very last paragraph, Vitalik Buterin mentioned that:
Hence, a 3-second target block time (and 5s actual block time) may be
quite viable. As usual, we’ll be more ...
- 8,404
5
votes
1
answer
4k
views
What is a Private Proof of Authority transaction speed?
Is the max transaction speed for a PoA private network the same as the main network? About 20 transactions a second?? If it is faster, would that mean the Rinkeby network is more scalable than the ...
- 441
9
votes
2
answers
407
views
Error importing transaction: Transaction(InvalidChainId) in Private POA
Problem
I am trying to send some transactions to my private chain, and all transactions are getting failed. I am receiving this error:
Error importing transaction: Transaction(InvalidChainId)
...
- 1,688
3
votes
1
answer
170
views
Geth additional condition for valid blocks in private network
Using Geth and a private blockchain, is there any possibility to specify an additional condition for a block to be valid? In particular, I want to accept only blocks that are mined from miners that ...
- 53
2
votes
1
answer
2k
views
How to get into a PoA (private) chain?
I followed this tutorial to set up a private chain with PoA some days ago.
And I run a PoA chain successfully.
But today I restart my server.
And I can't start (or get into?) the PoA chain which I set ...
- 409
4
votes
3
answers
3k
views
Ethereum POA ( proof of Authority ) for private network
I am trying to set up private network in ethereum with POA, but I am unable to do so.
getting below error
I have tried using puppeth manager to setup the genesis file.
The genesis file is set up to ...
- 499
6
votes
2
answers
1k
views
What is the consensus mechanism used in Parity for 'Proof of Authority' chains?
The Ethcore Parity wiki states that it supports 'Proof of Authority Chains'. What distributed byzantine consensus mechanism is used?
- 3,423