[iLoveOncall]

> But it's better that Docusign describe their use of blockchains, since 2015, in their words https://www.docusign.com/products/blockchain.

You should read the link you shared, because it would become evident to you that they offer customers to connect their Web3 application to DocuSign, not that they rely on blockchain for their service.

[jakupovic]

But they use Blockchain which in turn makes it useful, do I really need to spell this out.