[Retracted] An Effective Big Data Sharing Prototype Based on Ethereum Blockchain

Table 1

Top five institutions of data upload and total upload of dava.gov in 2018.

Data sources	2018.1	2018.2	2018.3	2018.4	2018.5	Total over the years
Ministry of commerce	1	9.001	18	4	0	67.298
Department of homeland security	0	81	0	0	0	8.877
Ministry of energy	19	27	93	15	0	2.499
Ministry of health	3	28	2	7	0	1.417
Ministry of agriculture	1	401	299	0	0	1.417