Serialize round1::Package to JSON.
For Taproot, the proof of knowledge is serialized in BIP-340 format: x-only R (32 bytes) + z (32 bytes) = 64 bytes total.
Serialize round1::Package to JSON.
For Taproot, the proof of knowledge is serialized in BIP-340 format: x-only R (32 bytes) + z (32 bytes) = 64 bytes total.