I don't buy from anonymous developers who name themselves after a coin. So Kora is out for me.
As well many coins have copied NEM's distribution model and failed to drum up interest. NEM isn't some Communist or freebie coin. NEM is an initiation to a new economic movement.
Hello.
You don't need to buy anything registration is FREE
so you don't need to send any NXT or BTC to the "developer" to join.