Precision Poverty Alleviation Methods in the Agricultural Field Based upon Wireless Communication Networks and Blockchain

Table 1

Comparison of three types of blockchains.

	Public chain	Private chain	Alliance chain
Participants	Any user	Inside the organization	Alliance member
Incentives	Need	Unnecessary	Dispensable
Degree of centralization	Completely decentralized	(Multi) centralization	Polycentricity
Consensus mechanism	PoW/PoS/DPoS	Distributed consistency algorithm	Distributed consistency algorithm
Bookkeeper	All participants	Customization	Affiliate members consult to determine
Computing power	3–20 strokes/sec	1000–100000 strokes/sec	1000–10000 strokes/sec
Outstanding features	Credit since establishment	Transparent and traceable	Scalable and efficient
Typical scenarios	Digital currency of public trust, the transaction processing	Internal audit, issuance	Distributed with permissions ledger processing