Holochain is a dapp framework with customizable validation and security. Speed, usage and security can all be better with Holochain apps.
See these resources:
This is the latest:
These are older resources but still can be helpful as it expresses concepts in a different way:
https://developer.holochain.org/docs/guide/faq/#how-are-data-validated-on-holochain
These are also handy:
https://medium.com/h-o-l-o/holo-fuel-economics-101-c9631d63014a