Desired wall-clock solve delay in seconds (must be > 0).
OptionalschemeVDF scheme. Pietrzak results are even and clamped to [66, 7000].
Default: 'wesolowski'.
OptionaliterationsOverride calibrated iterations/second for this machine.
Prefer measuring a short solve() on the target device.
Discriminant bit length (256, 512, 1024, or 2048).