Byzantine

How to find traitor in Byzantine General Problem

How to find traitor in Byzantine General Problem
  1. How can Byzantine general problem be solved?
  2. Is the Byzantine Generals Problem solvable?
  3. What is Byzantine general problem explain in detail?
  4. Can you solve the Byzantine Generals Problem in a synchronous setting with three generals one of whom may be a traitor if so how if not why?
  5. Is Bitcoin a BFT?
  6. Under which conditions can the Byzantine Generals Problem be solved?
  7. What is Byzantine Fault Tolerance in Blockchain?
  8. What is Byzantine failure in distributed systems?
  9. What is a Byzantine fault or failure )? Why might a Byzantine failure be more difficult to deal with than fail silent one?
  10. What is Byzantine agreement problem explain the two popular Flavours of the Byzantine agreement problem?
  11. Can you solve Byzantine agreement in a synchronous setting over three nodes one of which may be Byzantine?
  12. What is BFT in blockchain?
  13. What is Byzantine agreement protocol?

How can Byzantine general problem be solved?

Bitcoin managed to solve the Byzantine Generals Problem by using a Proof-of-Work mechanism in order to establish a clear, objective ruleset for the blockchain. ... Thus, at all times, members of the Bitcoin network can agree on the state of the blockchain and all transactions therein.

Is the Byzantine Generals Problem solvable?

The problem is to find an algorithm to ensure that the loyal generals will reach agreement. It is shown that, using only oral messages, this problem is solvable if and only if more than two-thirds of the generals are loyal; so a single traitor can confound two loyal generals.

What is Byzantine general problem explain in detail?

The term takes its name from an allegory, the "Byzantine generals problem", developed to describe a situation in which, in order to avoid catastrophic failure of the system, the system's actors must agree on a concerted strategy, but some of these actors are unreliable.

Can you solve the Byzantine Generals Problem in a synchronous setting with three generals one of whom may be a traitor if so how if not why?

For n = 3 generals and 1 traitor, there is no solution (protocol). This is because a loyal lieutenant cannot distinguish who is the traitor when he gets conflicting information from the commander and the other lieutenant.

Is Bitcoin a BFT?

Bitcoin has BFT built into its protocol.

Under which conditions can the Byzantine Generals Problem be solved?

Not necessary if the message is unforgable. Message loss can be detected. In an asynchronous system, this condition cannot be satisfied. However, in an asynchronous system, no deterministic algorithm can tolerate even on one single failure.

What is Byzantine Fault Tolerance in Blockchain?

In a practical Byzantine Fault Tolerance system, the maximum number of faulty/malicious nodes can't be equal to or greater than one-third of the system's total nodes.

What is Byzantine failure in distributed systems?

A Byzantine fault is defined as an arbitrary fault that occurs during the execution of an algorithm by a distributed system. When a Byzantine failure occurs, the system may respond in any arbitrary way unless it is designed to have Byzantine fault tolerance.

What is a Byzantine fault or failure )? Why might a Byzantine failure be more difficult to deal with than fail silent one?

A fail-silent fault is one where the faulty unit stops functioning and produces no ill output (it produces no output or produces output to indicate failure). A Byzantine fault is one where the faulty unit continues to run but produces incorrect results. Byzantine faults are obviously more troublesome to deal with.

What is Byzantine agreement problem explain the two popular Flavours of the Byzantine agreement problem?

There are two other popular flavors of the Byzantine agreement problem – the consensus problem, and the interactive consistency problem. The consensus problem differs from the Byzantine agreement problem in that each process has an initial value and all the correct processes must agree on a single value [20,25].

Can you solve Byzantine agreement in a synchronous setting over three nodes one of which may be Byzantine?

Three nodes cannot reach byzantine agreement with all-same validity if one node among them is byzantine. Proof. We have three nodes u, v, w. In order to achieve all-same validity, a correct node must decide on its own value if another node supports that value.

What is BFT in blockchain?

Blockchain is a Byzantine Fault Tolerant (BFT) replicated state machine, in which each state-update is by itself a Turing machine with bounded resources. ... Classical solutions like DLS, PBFT solve BFT among a small-to-medium group of known participants.

What is Byzantine agreement protocol?

The Byzantine Agreement protocol is a protocol in distributed computing. It takes its name from a problem formulated by Lamport, Shostak and Pease in 1982, which itself is a reference to a historical problem.

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