message: chore(sdk-core): require privateShareProof
  Ticket:
diff: @@ -369,8 +369,7 @@ export async function buildNShareFromAPIKeyShare(keyShare: ApiKeyShare): Promise
  publicShare: keyShare.publicShare,
  encryptedPrivateShare: keyShare.privateShare,
  n: keyShare.n ?? '', // this is not currently needed for key creation
  - // TODO (BG-65434) : make it as mandatory
  - privateShareProof: keyShare.privateShareProof ?? '',
  + privateShareProof: keyShare.privateShareProof,
  vssProof: keyShare.vssProof,
  };
  }
  