Robin Hood Prospecting


HI All, new to Swarm, looks good and thanks for the 10 swm tokens.
I was looking at the robin hood prospecting and see that for deposit its in eth, dai btc but no SWM.
I see a similar question was raised on dash masternode and that makes sense to pay in dash and not swap crypto
Can someone explain why you cant pay in swarm towards the RHET token?
I may hold more swarm than eth/dash at the minute and will have to swap to invest
I was expecting swarm to be the main currency of the ecosystem here, some clarity please

Many thanks in advance, great website