it would be nice to also for transactions in the future to have an option for blockchain technology and maybe other things that can be improved by using this technology of transactions.
There is some free VirtueMart and Electronicum solutions already https://electroneum.com
/ with Joomla support done from JoomlaProffs ie the people that do the Nintendo Nordic sites. https://joomlapro.com/product/virtuemart-electroneum-payment-method https://joomlapro.com/product/virtuemart-electroneum-prices
Electroneum is a revolutionary payment system based upon blockchain technology.
It would then be possible for Sellacious multvendor marketplace with blockchain payment technology also.