Proof of Stake Based Blockchain Systems Use What Design to Permit

question 160

Multiple Choice

Proof of Stake based blockchain systems use what design to permit valid write transactions?

• A) A genesis "Stake" node approves or disapproves transactions announced from other nodes
• B) Validator nodes each give or pay a stake in order to write transactions, and if malicious, will lose their stake
• C) Stakeholders or early product investors host nodes that approve or disapprove transactions from other nodes
• D) Every node on the network holds an equal stake, and if malicious, gets flagged for removal

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Definitions:

Marginal Resource Cost

The additional cost incurred by acquiring one more unit of a resource.

Imperfectly Competitive Market

A market structure characterized by a few sellers, product differentiation, and barriers to entry, where firms have some control over market prices.

Real Wages

Wages adjusted for inflation, reflecting the true purchasing power of an individual’s income over time.

Growing Population

An increase in the number of individuals in a population, typically due to birth rates exceeding death rates.