Transaction: 51bae58fa9d413b86d74da60d5366987dcdeb0586d39b93b2ca22f9e40dc83de. Block: 856182 OP_CAT is among the many proposals which can be attempting to make their means into Bitcoin Core, though not solely a covenant proposal, however a strategy to concatenate components from the Stack on a Script, OP_CAT might emulate the behaviour of many different Covenants, which are not any extra that particular spending circumstances, permit for a lot of enhancements to the Lightning Community, cordinatorless coinjoins, BitVM, L2 bridges and lots of different issues that may't be correctly carried out right this moment in Bitcoin attributable to Script's lack of expressivity. OP_CAT transactions, though non-standard are legitimate, since nodes not imposing OP_CAT solely must learn it as OP_SUCCES. The one strategy to get OP_CAT out of Bitcoin can be by reorging the chain or exhausting forking. submitted by /u/pakovm |