provider supported by Provide Privacy. This choice was made due to the performance characteristics of Golang as well as how well it fits within our existing Golang-based microservices architecture.gnark provider within the privacy service. The proving_scheme parameter indicates how to programmatically select each proving scheme when calling the API.proving_schemegroth16gnark provider within the privacy service. The curve parameter indicates how to programmatically select the desired curve when calling the API.curvebls337bls381bn254bw761