I think you're confusing Zcash and Zcoin. Zcoin's setup doesn't rely on a ceremony and with supply auditability, we know if someone is forging coins.
I think you're confusing Zcash and Zcoin. Zcoin's setup doesn't rely on a ceremony and with supply auditability, we know if someone is forging coins.
RE: ZCoin: Privacy on the Blockchain and the Linkability of Personal Information: Elements of a private cryptocurrency