Internet of Things Supervision System and Supply Chain Financial Supervision Methods Based on Blockchain Technology

Table 2

Components or technologies related to the six layers.

Layer name	Main technology or components
Data layer	Data block, chain structure, timestamp, Merkle tree, hash algorithm
Network layer	P2P network, authentication mechanism, broadcast protocol
Consensus layer	PoW, PoS, DPoS, PBFT
Incentive layer	Script coding, incentive mechanism
Contract layer	Smart contract, script code, IBM Azure BaaS
Application layer	Cryptocurrency, healthcare, cloud services