Fabric Security Issues https://arxiv.org/pdf/2109.03574.pdf Fuzzing Fabric Chaincodes https://arxiv.org/pdf/2106.11210.pdf Fabric SGX Integration https://lists.hyperledger.org/g/fabric/topic/hyperledger_fabric_and_intel/20008397 Private Chaincodes https://github.com/hyperledger/fabric-private-chaincode Fabic IBC Relayer https://github.com/hyperledger-labs/yui-relayer X509 and Identity Mixer https://walkingtree.tech/x-509-identity-mixer-hyperledger-fabric/