Nonoutsourceable Scratch-off Puzzles

Nonoutsourceable Scratch-Off Puzzles to Discourage Bitcoin Mining Coalitions

Andrew Miller, Elaine Shi, Ahmed Kosba, Jonathan Katz. (CCS 2015) Paper

This package consists of a python reference implementation, a standalone C implementation, a Pinocchio-C implementation of the nonoutsourceable scratch-off puzzle verifier.

Released under the CRAPL license. This is not intended or suitable for any purpose other than education / research.

Name		Name	Last commit message	Last commit date
Latest commit History 5 Commits
Encryption circuit		Encryption circuit
finite_fields		finite_fields
CRAPL-LICENSE.txt		CRAPL-LICENSE.txt
Makefile		Makefile
README.md		README.md
elgamal.py		elgamal.py
scratch.c		scratch.c
scratch_circuitB_1.c		scratch_circuitB_1.c
scratch_circuitB_1.h		scratch_circuitB_1.h
scratch_circuitB_2.c		scratch_circuitB_2.c
scratch_circuitB_2.h		scratch_circuitB_2.h
scratch_circuit_1.c		scratch_circuit_1.c
scratch_circuit_1.h		scratch_circuit_1.h
scratch_circuit_2.c		scratch_circuit_2.c
scratch_circuit_2.h		scratch_circuit_2.h
scratch_test_circuitB_1.c		scratch_test_circuitB_1.c
scratch_test_circuitB_2.c		scratch_test_circuitB_2.c
scratch_test_circuit_1.c		scratch_test_circuit_1.c
scratch_test_circuit_2.c		scratch_test_circuit_2.c
scratchtest2.py		scratchtest2.py
sha1-ifc.h		sha1-ifc.h
sha1.c		sha1.c
sha1.h		sha1.h
sha1test.c		sha1test.c
utils.py		utils.py

amiller/nonoutsourceable

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Nonoutsourceable Scratch-off Puzzles

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