[neo-project/neo] Remove APPCALL and invoke contracts through SYSCALL (#301)

> In contrast to NEP-5, system assets are UTXO based. In my opinion UTXO is more scalable and more robust than the NEP-5 account/balance model and we should definitely keep this.

In fact we can implement UTXO in contracts as well.

This post was last modified on July 10, 2018, 7:04 pm