"Peer-to-peer"@en . "Sinkhole attacks"@en . . "23ea560a46c420a81cba372ffb5d4c47" . "Resilience"@en . "Availability"@en . "Cigdem" . "Cigdem Sengul" . "Sengul" . "Cryptography"@en . "Monitoring"@en . . "Tree-based routing protocols"@en . "Wireless sensor network"@en .