Paper Organization. Section 2 briefly describes our motivation to explore the potential of Distributed Ledger Technology and federated consensus mechanisms for establishing secure and valid interoperation between federated platform instances. Section 3 reviews trust mechanisms in distributed systems, which are used for sharing content that is collectively confirmed (agreed) through the consensus. Here, we look at the Byzantine Fault Tolerance (BFT) mechanism, Distributed Ledger Technology (DLT) and a variety of existing community consensus mechanisms. Section 4 introduces the FBA algorithm for trust and reputation in NIMBLE. Section 5 illustrates the message flow between the Stellar Consensus Protocol (SCP) and NIMBLE applications. Section 6 presents our conclusions.
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Sources: Federated Byzantine Agreement, Federated Byzantine Agreement