Despite the growth of eCommerce industry globally, there are fears that tangle minds of online buyers due to news like
https://inc42.com/buzz/ecommerce-flipkart-amazon-fake/. Taking eCommerce to the blockchain will be a big transformation and will benefit both client and seller, this will enable e-commerce industry to gain benefits of blockchain technology like security and trust.
I think the biggest benefit of
https://omnitude.tech is that it's open not only for new eCommerce sites but also for already running eCommerce sites like
https://www.shopify.com. A small fraud for eCommerce startup usually means the closure of his eCommerce business and this is what omnitude will guarantee i.e development of security and trust, a much-needed thing by eCommerce industry.
"In 2017, retail e-commerce sales worldwide amounted to 2.3 trillion US dollars and e-retail revenues are projected to grow to 4.88 trillion US dollars in 2021." Source
Taking eCommerce to blockchain is just like fitting the chain with the only missing link. Once on a blockchain, I don't see any reason for eCommerce to even surpass the above mentioned projected revenue.