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Titel
Consensus From Proof-of-Work Puzzles
VerfasserKeller, Patrik
Betreuer / BetreuerinnenBöhme, Rainer
Erschienen2018
HochschulschriftInnsbruck, Univ., Masterarb., 2018
Datum der AbgabeAugust 2018
SpracheEnglisch
DokumenttypMasterarbeit
Schlagwörter (DE)Verteilte Systeme / Blockchain / Bitcoin / Proof-of-Work / Puzzles
Schlagwörter (EN)Distributed Systems / Blockchain / Bitcoin / Proof-of-Work / Puzzles
URNurn:nbn:at:at-ubi:1-28979 Persistent Identifier (URN)
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 Das Werk ist frei verfügbar
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Consensus From Proof-of-Work Puzzles [0.48 mb]
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Zusammenfassung (Englisch)

In this thesis we analyze the role of puzzles in blockchain based distributed systems. We extract the relevant properties from existing puzzle mechanisms and use them to define an abstract notion for proof-of-work puzzles. The resulting puzzles have exponentially distributed solving time and allow to consider nodes and parties with individual solving capabilities. We use the new definition of proof-of-work puzzles in a bottom-up construction of a blockchain protocol. Our new model is compatible with the Bitcoin backbone protocol, in the sense that we can transfer the backbone protocols properties to our model. During the construction we try to pinpoint the original design decisions made for Bitcoin.

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CC-BY-Lizenz (4.0)Creative Commons Namensnennung 4.0 International Lizenz