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Static-Memory-Hard Functions and Nonlinear Space-Time Tradeoffs via Pebbling
memory-hard functions pebbling space-time trade-offs
2018/3/5
Pebble games were originally formulated to study time-space tradeoffs in computation, modeled by games played on directed acyclic graphs (DAGs). Close connections between pebbling and cryptography hav...
Proofs of Space-Time and Rational Proofs of Storage
proofs of work proofs of space bitcoin
2016/1/27
We introduce a new cryptographic primitive: Proofs of SpaceTime
(PoSTs) and construct a practical protocol for implementing these
proofs. A PoST allows a prover to convince a verifier that she spent...