Towards Trustworthy IoT: A Blockchain-Edge Computing Hybrid System with Proof-of-Contribution Mechanism

Table 2

Format of behavior message.

Header
Type	Type of the behavior
From	Sender’s address
Order	Number of behaviors from the sender
To	Receiver’s address
Value	Number of currencies
Timestamp	Creation time of the behavior
Payload
Data1, data2, ..., datan
Contract code
Variable1, variable2,..., variablen