fa زنجیره تامین و لجستیک Logistic & Apply Chain پژوهشي Research <span ar-sa="" new="" style="color: black; font-family:;" times=""><em>Now a days majority of commerce is taken place in electronic form. The e commerce transactions can be happened mainly in three forms. They are C2C(customer to customer), B2B(Business to business) and B2C(business to customer). Out of these B2C type of e-commerce is the most important one. Therefore&nbsp; there is a need of a secure protocol for performing B2C type of e-commerce transactions. The B2C type the main participating entities are customers, website and merchant. In this paper the communication between the website and merchant is represented by WM protocol. The design of WM protocol must consider several issues like problem definition, services, environment, vocabulary and message formats. The verification of WM protocol is also performed with respect to the protocol procedure rules based on linear temporal logic. The procedure rules related to the protocol is specified in process meta language. The verification is performed by using SPIN model checker and corresponding results are reported.</em></span> E Commerce, WM Protocol, SPIN Model Checker, Verification, LTL Properties. 323 338 http://ijiepr.iust.ac.ir/browse.php?a_code=A-10-1599-1&slc_lang=fa&sid=1 K.V Krishnamraju kvkraju@srkrec.ac.in 180031947532846005879 180031947532846005879 Yes 1. Computer Science and Engineering Department, SRKR Engineering College, Bhimavaram, Andhra Pradesh, India.