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cs.CR2021
SoK: Decentralized Finance (DeFi)
Sam M. Werner, Daniel Perez, Lewis Gudgeon +3
Decentralized Finance (DeFi), a blockchain powered peer-to-peer financial system, is mushrooming. Two years ago the total value locked in DeFi systems was approximately 700m USD, n…
cs.CR2020
Unstable Throughput: When the Difficulty Algorithm Breaks
Dragos I. Ilie, Sam M. Werner, Iain Stewart +1
In Proof-of-Work blockchains, difficulty algorithms serve the crucial purpose of maintaining a stable transaction throughput by dynamically adjusting the block difficulty in respon…