Security and Communication Networks

Research Article

ATMChain: Blockchain-Based Security Framework for Cyber-Physics System in Air Traffic Management

Table 1

Symbol definition of ATMChain.
SymbolDefinition
UiThe ATM user of ATMChain
MThe ATM information processing entity
Pki/B, ski/BThe public and private keys of Ui or M
certiCertificate of identity
WIDiWallet address of user with ID
HashThe hash value of m
δiUser’s signature in authorization information
t1, t2The time stamp
−1,0,1Status of information transaction
MThe transaction information