Questions tagged [ibft]
The ibft tag has no usage guidance.
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Unable to sync the Quorum’s IBFT private chain with the Faucet
I am trying to build a faucet to use on the IBFT private chain.
I'm testing whether it can be launched locally by peering it with an already operational private network.
I have been able to launch the ...
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What's the communication complexity of round-change in Quorum's QBFT implementation
As stated in the Istanbul BFT paper, Istanbul BFT "has O(n^2) communication complexity during both normal case operation and round changes". The QBFT spec also states a "message ...
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Order of recreation and proposing of block
With regard to this post, I would like to know what happens if the proposing and recreation of a block happens at the same time. For instance, if we keep the default recommit interval of 3s and set ...
- 11
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Ethereum protocol - description fields on Alethio block explorer
I am using Alethio block explorer in an IBFT2 based chain. I am trying to understand some fields there.
Does anyone know what they mean?
Are the COMMITSEALS the signature of the validators?
What is ...
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Is there any way to configure hyperledger besu to mine blocks only when there are transactions?
I have been following this tutorial:
https://besu.hyperledger.org/en/stable/Tutorials/Private-Network/Create-IBFT-Network/
Everything works fine, however I can see that every 2 seconds new block is ...
- 191
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Load testing Besu + IBFT2?
The context:
I have a simple app that that consults historic of events frequently. It works fine on my development machine, with just a few thousands blocks. I am not sure if it will continue to work ...
- 596
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What is the difference between IBFT(Istanbul BFT) and PBFT?
I recently got to know about IBFT and Quorum and started studying on their consensus protocols. And what is the difference on IBFT and PBFT? Are they pretty much like the same and, when considering ...
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Front-running in Quorum IBFT
Are pending transactions processed sequentially in IBFT?
In a networks based on PoW you would usually pay higher gas price in order to get your transaction mined first. Is there a way to manipulate ...
- 127
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Mining a private transaction in quorum
I was going through the quorum docs and got stuck on how private transactions are mined? When two nodes, say Node A and Node B do a private transaction between themselves. Which node then mines the ...
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Quorum Minimum Number of Nodes for Raft Consensus and Istanbul BFT
A Quorum Raft cluster of 3 nodes can tolerate a single node failure, while a Quorum cluster of 5 can tolerate 2 node failures. What is the equivalent if one uses Istanbul BFT?
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Quorum IBFT - PBFT - BFT - 3F + 1 / 3M + 1
Understand that Quorum supports IBFT. Am trying to decide what is the suitable number of nodes to setup up to support X number of byzantine nodes. Using PBFT formula, 3F + 1, I am trying to come out ...
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In Quorum, between Raft and Istanbul BFT (IBFT) consensus, which has a better (faster) block confirmation time? Assuming Ceteris Paribus
In Quorum, to help decide between Raft and Istanbul BFT (IBFT) consensus, which has a better (faster) block confirmation time? Assuming Ceteris Paribus.
- 1,924
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quorum istanbul byzantine fault tolerance (ibft) consensus nodes count for failover - recommended configuration
In Quorum, specifically for istanbul byzantine fault tolerance (ibft) consensus algorithm, what is the ideal node count for failover? i.e., recommended configuration?
Nathan Aw (Singapore)
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