Questions tagged [hyperledger]
17 questions
7
votes
4 answers
Hyperledger fabric vs Sawtooth lake which platform is appropriate for Supply chain management?
I am planning to build supply chain management system with Blockchain. I have read many blog posts related to the topic, and eventually, I get Hyperledger as a right choice for Blockchain Network. but now I have two more option in that.Hyperlegder…
Vivek Sharma
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4
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1 answer
How does hyperledger fabric handle random number generation?
Given that one can write chaincode in JavaScript or Go and freely call random methods provided by the language libraries, how does the network handle the randomness?
Shocky2
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4
votes
3 answers
What is the main difference between " enterprise" blockchain and regular blockchain?
We have some blockchain-based cryptocurrencies such as Bitcoin or Ethereum. On the other hand, we have some blockchain-based frameworks such as hyperledger and R3 that are designed for businesses.
Question: What is an enterprise blockchain?
Is it…
user153465
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3
votes
1 answer
Why do we need to chain the blocks (creating blockchain) in a permissioned blockchain?
The main question is:
What does "chaining block" mean in a permissioned blockchain? OR in any blockchain network in which creating a new block does NOT need consuming resources/energy ? (even in the case of proof-of-stake)
Does "chaining blocks"…
Questioner
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2
votes
1 answer
Why do we need 2F prepare certificates instead of just F+1 in PBFT?
I started reading PBFT and I could not understand: why do we need 2F prepare certificates?
The client needs only F + 1 replies, not 2F, so why can't the same rule be applicable in the prepare phase of the protocol?
Same question in the commit phase,…
ezio
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2
votes
1 answer
Hyperledger consensus protocol
I'm soo deep inside the consensus protocols like PoW, PoS, PoA or other variants used on permissioned/private blockchains such as JPMorgan's Quorum (Based on Raft), Istambul etc..
But I've not entered yet on the Hyperledger consensus protocols and…
CPereez19
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1
vote
1 answer
What is single member blockchain?
I just heard about single member blockchains like quorum and hyperledger-fabric. So what does single member mean? Is this some kind of restriction or what?
O. Shekriladze
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1
vote
1 answer
Benchmarking on Hyperledger Fabric
Is there any public benchmarking code and results for Hyperledger Fabric v1.0 blockchain?
IBM claims a transactions rate of 3500 tps, but I am not able to find any public code of the benchmarking experiments.
Paper link:…
Rajrup Ghosh
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1
vote
2 answers
HyperLedger Fabric from IBM is fork of Tangle or Etherium?
I read as if HL Fabric was the most interesting thing ever created on the use of blockchain, but when I read the documentation (very short) about Hyperledger Fabric I came across some coincidences.
the install is very…
Ton Melo
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1
vote
1 answer
IBM Hyperledger Fabric Running Multiple Nodes on Multiple Datacenters & PCs
At the moment I'm playing around with some of the Hyperledger Fabric demos that IBM has on their cloud platform Bluemix.
When you initially spool up an instance you're offered more than one option of location, such as US South, and... at least one…
smatthewenglish
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0
votes
1 answer
IoT to Hyperledger Fabric, and Tracing / Certifying data
I'm thinking about IoT and Blockchain to certifying data.
My blockchain is not public, and it has 3 nodes. I use Hyperledger
So, I have a sensor, that is a light blockchain client, not powerful enough to be a full node. I want to send data to a…
Juliatzin del Toro
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0
votes
1 answer
How can we use Blockchain for Land Registration Use Case?
How and where can we integrate Blockchain in this use case?
Say buyer and seller visits the registration office with sale deed they prepared.
The details in the sale deed is compared by the registration analyst with the land database.If the…
RRE
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0
votes
2 answers
Why are blocks in a permissioned blockchain linked together?
My question: Do the blocks in a blockchain without proof-of-work (i.e. a permissioned blockchain) have to be linked together via a cryptographic hash?
Longer version of my question:
(Please correct me if some of my remarks contain mistakes)
The…
Andrusch
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0
votes
1 answer
Blochchains that support data privacy and/or strengthen parties pseudonymity
Question 1: Is there any blockchain that allows users to store their private data in the chain? For instance, the transactions and amount of Bitcoin one has is hidden from others.
Question 2: Is there any blockchain that strengthens participants…
user153465
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0
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1 answer
Relative licensing restrictions of Ethereum and other projects- Open Source?
Is Ethereum open source?
I've heard different things from different people.
Stephan Tual has written:
"Everything at Ethereum, including our website, our tools, our whitepapers and of course our all of our software and compilers are 100%, wall to…
smatthewenglish
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