Blockchain Developer Certification Exam

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A public blockchain is struggling with high transaction fees and slow confirmation times due to network congestion. The development team decides to implement 'sharding' as a long-term scalability solution. What is the primary principle behind sharding?

Processing transactions on a separate, faster chain and later batching the results onto the main chain. Increasing the block size limit to include more transactions in each block. Partitioning the network's state and transaction processing load across multiple parallel sub-chains. Requiring validators to stake more collateral to increase the economic security of the network.

Correct Answer:

Partitioning the network's state and transaction processing load across multiple parallel sub-chains.

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