1. Fixing vulnerabilities in the zcash protocol (2016). https://electriccoin.co/blog/fixing-zcash-vulns/
2. Zcash counterfeiting vulnerability successfully remediated (2019). https://electriccoin.co/blog/zcash-counterfeiting-vulnerability-successfully-remediated/
3. libsnark: a C++ library for zksnark proofs (2020). https://github.com/scipr-lab/libsnark
4. Nu4 cryptographic specification and implementation review (2020). https://research.nccgroup.com/wp-content/uploads/2020/09/NCC_Group_Zcash_ZCHX006_Report_2020-09-03_v2.0.pdf
5. Playsnark: a playground to learn proofs systems (2020). https://github.com/nikkolasg/playsnark