1. ethSTARK. https://github.com/starkware-libs/ethSTARK
2. The Ristretto group. https://ristretto.group/
3. Spartan: High-speed zkSNARKs without trusted setup. https://github.com/Microsoft/Spartan
4. Ames, S., Hazay, C., Ishai, Y., Venkitasubramaniam, M.: Ligero: lightweight sublinear arguments without a trusted setup. In: CCS (2017)
5. Applebaum, B., Haramaty, N., Ishai, Y., Kushilevitz, E., Vaikuntanathan, V.: Low-complexity cryptographic hash functions. In: ITCS (2017)