So I've done some further digging ...

Reminder: We have only implemented a select set of OPCODES, check DIP20 for details.

DIP20 implements the 'P_CHECKDATASIG OPCODE' for example:

The opcode OP_Checkdatasig is a Script operation that checks the validity of a signature using a message and public key. Essentially the operation calculates the hash within a transaction in order to validate signatures in an automated way. OP_Checkdatasig allows for data to be imported that can be validated through the use of an oracle. The opcode has facilitated some very cool concepts on the BCH network like a noncustodial escrow system, an onchain SLP* token auction console, a recurring payment system, an endowment platform, and an onchain game of chess.

(*) The Simple Ledger Protocol (SLP for short) is basically a token platform. Tokens can be used to represent almost anything, from deeds, titles, and stocks to video game items, collectibles, and even vote.

https://www.reddit.com/r/dashpay/comments/nli9lw/dash_improvement_proposal_dip20_activation_of_btc/