I don't understand the benefits to register a delegate ( who cost 25 lsk). Anyone can explain me ?
Thanks
You vote and that's it.Also, some reward sharing pools require you to do some additional steps, register on their site, vote for their partner delegates to receive additional rewards and so on.
A delegate is like a miner in Bitcoin (he creates and verifys new blocks and keeps the chain ongoing), but to do that he need to be in the top 101.A dPos is more efficient as it doesn't require massive amounts of power (as any other POW coin) to create and verify new blocks.