if (!MerkleAddressUtility.verifyMerkleSignature(fullBlock, minerSignature, certificate.redeemAddress, minerSignatureIndex))
                {
                    System.out.println("Block didn't verify for " + certificate.redeemAddress + " with index " + minerSignatureIndex);
                    System.out.println("Signature mismatch error");
                    System.out.println("fullBlock: " + fullBlock);