Another Bronze Age civilization with sophisticated commerce system is Indus Valley Civilisation [1],[2],[3].

The wikipedia entry somehow is outdated [4]. Perhaps some of the new findings are too controversial for the editors, meanwhile reseacher receiving death threat [5].

[1] The Indus Script and Economics. A Role for Indus Seals and Tablets in Rationing and Administration of Labor:

https://arxiv.org/abs/1812.00049

[2] Indus civilisation reveals its volumetric system:

https://www.thehindu.com/news/national/Indus-civilisation-re...

[3] The Indus Script-Computational Analysis and Interpretations (2020) [video]:

https://www.youtube.com/watch?v=iF_nJ4vfG-A

[4] Indus Valley Civilisation:

https://en.wikipedia.org/wiki/Indus_Valley_Civilisation

[5] Rajesh Rao: Computing a Rosetta Stone for the Indus script [video]:

https://www.youtube.com/watch?v=kwYxHPXIaao