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Casper

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Questions and Answers

Which consensus mechanism does Casper introduce?

Proof of work

Byzantine fault tolerant

Long range revisions

Proof of stake (correct)

What is the purpose of Casper overlay?

To participate in the consensus mechanism

To provide additional protections against block reversions (correct)

To reverse blocks

To introduce a proof of work chain

What determines an agent's influence in a proof of stake system?

The number of revisions

The number of blocks

The number of coins (correct)

The number of agents

What type of blockchain consensus algorithms have been researched in recent years?

Proof of stake Signup and view all the answers

What does Casper provide defenses against?

Catastrophic crashes Signup and view all the answers

What is the goal of Casper?

The goal of Casper is to provide a proof of stake-based finality system that overlays an existing proof of work blockchain. Signup and view all the answers

What does Casper combine?

Casper combines proof of stake algorithm research and Byzantine fault tolerant consensus theory. Signup and view all the answers

What protections does the Casper overlay provide?

The Casper overlay provides additional protections against block reversions for almost any proof of work chain. Signup and view all the answers

What is the process for appending and agreeing on new blocks in a proof of stake system?

In a proof of stake system, new blocks are appended and agreed upon through a process where anyone who holds coins inside of the system can participate, and the influence an agent has is proportional to the number of coins (or 'stake'). Signup and view all the answers

What are some of the desirable features of the Casper system?

Some of the desirable features of the Casper system are proven defenses against long range revisions and catastrophic crashes. Signup and view all the answers