Qtum – Security and Simplicity?

Qtum (QTUM) is a public blockchain platform that reportedly “leverages the security and simplicity” of Bitcoin’s UTXO (unspent transaction output) protocol. Similar to other cryptocurrency platforms such as Ethereum and NEO, the Qtum network also allows users to issue smart contracts.
“Decoupling Applications” Through Account Abstraction Layer
According to the explainer video on Qtum’s official website, Qtum uses an “account abstraction layer” to &