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Questions tagged [blockchain]

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15 views

How to ask neighbours to a bitcoin full node? There are some API to do that? [closed]

My goal is to write a program that analizes all the bitcoin network
69
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4answers
13k views

What important/crucial real-world applications use blockchain?

As part of some blockchain-related research I am currently undertaking, the notion of using blockchains for a variety of real-world applications are thrown about loosely. Therefore, I propose the ...
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0answers
42 views

Agreeing on a Time in a Trustless Network

Imagine a chord-like network $N$. each machine $m \in N$ is directly connected to $N_m \subset N$. Without relying on official timeservers, I want all machines to synchronize to some time with ...
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0answers
102 views

How many number of nodes we can create under hyperledger fabric?

We are using hyperledger fabric. We have a doubt like, is there any limit, of creating number of nodes while configuring hyperledger fabric?
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1answer
2k views

Why are forks in the Blockchain eventually resolved?

I'm reading Wattenhofer's The Science of the Blockchain. On page 87, he states the following thoerem: Theorem 7.22. Forks are eventually resolved and all nodes eventually agree on which is the ...
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1answer
1k views

What is the algorithm for Blockchain's Byzantine Fault Tolerance?

This person was asked: "Why is a blockchain implementation different than a distributed consensus system like Raft?" In part of their answer they replied: For one, Raft is not Byzantine fault ...