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. 2020 Mar 16;20(6):1656. doi: 10.3390/s20061656

Table 1.

Gas usage and transaction fees for executing functions in the remote health monitoring (RHM) smart contract.

Functions Invoked By When it is Invoked Gas Usage ETH Price
REQUESTmathsizesmallDATAmathsizesmall() Healthcare provider Preamble to stream session 746,108 0.000746108
STARTOFmathsizesmallSTREAMmathsizesmall() Patient’s IoT GW Once per session 27,978 0.000027978
ENDOFmathsizesmallSTREAMmathsizesmall() Patient’s IoT GW Once per session 63,251 0.000063251