Why should you build a blockchain based e-Commerce platform?

pspan id=docs-internal-guid-141055a5-7fff-a8e7-cd76-d17490d3904cspan style=font-size: 11pt; font-family: Arial; background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; vertical-align: baseline; white-space: pre-wrap;Why do e-commerce sites need to integrate with Blockchain technology?/span/span/p