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David Kim

Blockchain Engineer

David Kim is the Blockchain Engineer and Technical Editor at BlackPearlBitcoin. With a background in distributed systems and cryptography, David previously worked as a core developer at Ethereum Foundation, contributing to the consensus layer specifications for the Merge. He holds an MS in Computer Science from Carnegie Mellon and has published peer-reviewed papers on Byzantine fault tolerance. David specializes in layer-2 scaling solutions, zero-knowledge proofs, and cross-chain interoperability. He maintains several open-source blockchain tools on GitHub with 5,000+ stars and regularly audits new protocol implementations.

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1 articles published

Articles by David Kim

5 min read

Analysis · May 15, 2026

Zero-Knowledge Rollups: Technical Analysis of the Leading Layer-2 Solutions

The Scalability Imperative Ethereum mainnet processes approximately 15 transactions per second—a throughput ceiling that has driven transaction fees to unsustainable levels during...