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Improving the Performance of Proof-of-Space in Blockchain Systems
DescriptionBlockchain technologies enable the success of digital currencies by providing security, decentralization, and trustless operation. Two dominant consensus algorithms, Bitcoin’s Proof-of-Work and Ethereum’s Proof-of-Stake, balance security, scalability, and energy efficiency, though PoW is energy-intensive and PoS faces centralization risks. Chia’s Proof-of-Space (PoSpace) offers a middle ground, using storage (instead of computation) for validation in the network while maintaining decentralization. PoSpace turns the computational-intensive problem into a data-intensive known as plotting. However, Chia’s plotting process stresses hardware, requiring expensive setups and shortening the lifespan of solid-state drives. This work takes a clean-slate approach to implementing an efficient PoSpace system that is lightweight and operates on small nodes (e.g. Raspberry Pis with 4-cores and 2GB RAM) to large systems (HPC server with 192-cores, 790GB RAM, and multiple NVMe storage devices). Our C and Rust implementations achieve significantly higher performance than Chia in plot generation and lookup efficiency across all system sizes.
Event Type
ACM Student Research Competition: Graduate Poster
ACM Student Research Competition: Undergraduate Poster
Doctoral Showcase
Posters
TimeTuesday, 19 November 202412pm - 5pm EST
LocationB302-B305
Registration Categories
TP
XO/EX