public boolean peerCheck(final Bytes32 peerGenesisHash) {
    return !peerGenesisHash.equals(genesisHash);
  }
Non EIP-2124 behaviour

@param peerGenesisHash Hash to be validated.
@return boolean
ethereum/core/src/main/java/org/hyperledger/besu/ethereum/forkid/ForkIdManager.java