HLOChain: A Hierarchical Blockchain Framework with Lightweight Consensus and Optimized Storage for IoT

Algorithm 2

Historical block offloading.

	Input: : A blockchain composed of t blocks where the blocks are sorted in chronological order, and is the latest block.
	Output: : A shorter blockchain
(1)	procedure
(2)	get list_of_newAcct from
(3)	get the min from list_of_newAcct
(4)	the min
(5)	for alldo
(6)	if
(7)	delete
(8)	end if
(9)	for alldo
(10)	delete
(11)	return
(12)	end procedure