A Lightweight Authentication Scheme Based on Consortium Blockchain for Cross-Domain IoT

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Operation</td><td class="align_center">Average time (ms)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Issue</td><td class="align_center">3.71</td></tr><tr><td class="align_left">Transfer</td><td class="align_center">6.16</td></tr><tr><td class="align_left">Query</td><td class="align_center">4.31</td></tr><tr><td class="align_left">Revoke</td><td class="align_center">3.62</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Time cost of on-chain operations.</div>

Security and Communication Networks

tab6

Table 6

Table 6: A Lightweight Authentication Scheme Based on Consortium Blockchain for Cross-Domain IoT 