Formal Analysis of Fairness for Optimistic Multiparty Contract Signing Protocol

Table 1

Syntax of the CSP#.

Stop	Processes do nothing
Skip	Successful termination
𝑃[]𝑄	General choice
𝑃[∗]	External choice
𝑃⟨⟩𝑄	Internal choice
𝑃∣∣∣𝑄	Interleaving
𝑃∣∣𝑄	Parallel composition
If (cond){𝑃} else {𝑄}	Conditional choice
𝑒{𝑝𝑟𝑜𝑔}→𝑃	Event prefixing
𝑃⧵𝑋	Hiding all occurrences of event in 𝑋
[𝑐𝑜𝑛𝑑]𝑃	Guarded process
𝑃;𝑄	Sequential composition
𝑐ℎ!𝑒𝑥𝑝→𝑃	Channel output
𝑐ℎ?𝑥→𝑃	Channel input