Zcash provides optional viewing keys that allow users to grant auditors or regulators access to selective transaction details.

How private crypto transactions really are, spanning wallet KYC mandates, chain surveillance, privacy tools and prosecutions of privacy developers.

Mathematical foundations of blockchains: hash functions, digital signatures, and encryption schemes that secure transactions, wallets, and consensus.

Cryptocurrencies engineered to hide senders, receivers or amounts, led by Monero and Zcash, and the exchange delistings and bans they face.