A copy of the bytes.
The bytes as hex.
StaticfromExactly 32 bytes; anything else is InvalidSeedLength (a non-byte-string a TypeError).
StaticrandomFresh randomness, from rng or the secure default.
StaticfromA byte string.
StaticfromA seed from a CBOR byte string. A rejection is Cbor with the dcbor
error's message, or the seed error's, as the reference's
TryFrom<CBOR> reports it.
The 32 bytes a generator's whole chain derives from. Frozen.