byte[] getBlobCellsByteArray() {
    return Bytes.wrap(
            blobProofBundles.stream().map(cell -> cell.getBlobCellsBytes().orElseThrow()).toList())
        .toArrayUnsafe();
  }
Get the blob cells as a byte array. Passed to the CKZG4844JNI for proof verification.

@return the blob cells as a byte array
ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/kzg/BlobsWithCommitments.java