human: Given a node-centered hypergraph: <hypergraph>, where nodes represent papers and hyperedges represent sets of papers co-cited by a source paper.

Details of the hypergraph:
Center node: "rollback and forking detection for trusted execution environments using lightweight collective memory"
  Abstract: Novel hardware-aided trusted execution environments, as provided by Intel's Software Guard Extensions (SGX), enable to execute applications in a secure context that enforces confidentiality and integrity of the application state even when the host system is misbehaving. While this paves the way towards secure and trustworthy cloud computing, essential system support to protect persistent application state against rollback and forking attacks is missing. #R##N#In this paper we present LCM - a lightweight protocol to establish a collective memory amongst all clients of a remote application to detect integrity and consistency violations. LCM enables the detection of rollback attacks against the remote application, enforces the consistency notion of fork-linearizability and notifies clients about operation stability. The protocol exploits the trusted execution environment, complements it with simple client-side operations, and maintains only small, constant storage at the clients. This simplifies the solution compared to previous approaches, where the clients had to verify all operations initiated by other clients. We have implemented LCM and demonstrated its advantages with a key-value store application. The evaluation shows that it introduces low network and computation overhead; in particular, a LCM-protected key-value store achieves 0.72x - 0.98x of a SGX-secured key-value store throughput.

Connected through hyperedge HE-1 (induced by source paper "blockchains a systematic multivocal literature review"):
  with members:
    - "blockchain technology overview"
    - "hyperledger fabric a distributed operating system for permissioned blockchains"
    - "blockchains consensus protocols in the wild"
    - "adding concurrency to smart contracts"
    - "a blockchain based decentralized system for proper handling of temporary employment contracts"
    - "an empirical analysis of smart contracts platforms applications and design patterns"
    - "blockbench a framework for analyzing private blockchains"
    - "untangling blockchain a data processing view of blockchain systems"

Connected through hyperedge HE-2 (induced by source paper "teevil identity lease via trusted execution environments"):
  with members:
    - "stay on topic generating context specific fake restaurant reviews"
    - "fake news detection on social media a data mining perspective"
    - "software grand exposure sgx cache attacks are practical"
    - "automated crowdturfing attacks and defenses in online review systems"
    - "inferring fine grained control flow inside sgx enclaves with branch shadowing"
    - "debunking in a world of tribes"
    - "can cascades be predicted"
    - "viral misinformation the role of homophily and polarization"

Connected through hyperedge HE-3 (induced by source paper "an off chip attack on hardware enclaves via the memory bus"):
  with members:
    - "keystone an open framework for architecting tees"
    - "zombieload cross privilege boundary data sampling"
    - "cachezoom how sgx amplifies the power of cache attacks"
    - "software grand exposure sgx cache attacks are practical"
    - "malware guard extension using sgx to conceal cache attacks"
    - "inferring fine grained control flow inside sgx enclaves with branch shadowing"
    - "proof of luck an efficient blockchain consensus protocol"
    - "flush flush a fast and stealthy cache attack"

Connected through hyperedge HE-4 (induced by source paper "designing for privacy and confidentiality on distributed ledgers for enterprise industry track"):
  with members:
    - "a survey on zero knowledge range proofs and applications"
    - "performance evaluation of the quorum blockchain platform"
    - "hyperledger fabric a distributed operating system for permissioned blockchains"

Connected through hyperedge HE-5 (induced by source paper "self expiring data capsule using trusted execution environment"):
  with members:
    - "autonomous membership service for enclave applications"
    - "keystone an open framework for architecting tees"
    - "towards scaling blockchain systems via sharding"

Connected through hyperedge HE-6 (induced by source paper "autonomous membership service for enclave applications"):
  with members:
    - "replicatee enabling seamless replication of sgx enclaves in the cloud"

Connected through hyperedge HE-7 (induced by source paper "raziel private and verifiable smart contracts on blockchains"):
  with members:
    - "smotherspectre exploiting speculative execution through port contention"
    - "a systematic evaluation of transient execution attacks and defenses"
    - "proposal for a fully decentralized blockchain and proof of work algorithm for solving np complete problems"
    - "cachezoom how sgx amplifies the power of cache attacks"
    - "chainspace a sharded smart contracts platform"
    - "an empirical analysis of smart contracts platforms applications and design patterns"
    - "software grand exposure sgx cache attacks are practical"
    - "malware guard extension using sgx to conceal cache attacks"

Connected through hyperedge HE-8 (induced by source paper "blockchain and trusted computing problems pitfalls and a solution for hyperledger fabric"):
  with members:
    - "hyperledger fabric a distributed operating system for permissioned blockchains"
    - "blockchains consensus protocols in the wild"
    - "software grand exposure sgx cache attacks are practical"
    - "teechain a secure asynchronous blockchain payment network"
    - "malware guard extension using sgx to conceal cache attacks"
    - "hijacking bitcoin routing attacks on cryptocurrencies"

Question: Please tell me which class the center node belongs to. The 40 classes are: cs.NA(Numerical Analysis), cs.MM(Multimedia), cs.LO(Logic in Computer Science), cs.CY(Computers and Society), cs.CR(Cryptography and Security), cs.DC(Distributed, Parallel, and Cluster Computing), cs.HC(Human-Computer Interaction), cs.CE(Computational Engineering, Finance, and Science), cs.NI(Networking and Internet Architecture), cs.CC(Computational Complexity), cs.AI(Artificial Intelligence), cs.MA(Multiagent Systems), cs.GL(General Literature), cs.NE(Neural and Evolutionary Computing), cs.SC(Symbolic Computation), cs.AR(Hardware Architecture), cs.CV(Computer Vision and Pattern Recognition), cs.GR(Graphics), cs.ET(Emerging Technologies), cs.SY(Systems and Control), cs.CG(Computational Geometry), cs.OH(Other Computer Science), cs.PL(Programming Languages), cs.SE(Software Engineering), cs.LG(Machine Learning), cs.SD(Sound), cs.SI(Social and Information Networks), cs.RO(Robotics), cs.IT(Information Theory), cs.PF(Performance), cs.CL(Computation and Language), cs.IR(Information Retrieval), cs.MS(Mathematical Software), cs.FL(Formal Languages and Automata Theory), cs.DS(Data Structures and Algorithms), cs.OS(Operating Systems), cs.GT(Computer Science and Game Theory), cs.DB(Databases), cs.DL(Digital Libraries), cs.DM(Discrete Mathematics). Directly output the class name.

gpt: cs.DC(Distributed, Parallel, and Cluster Computing)