Bitblocks (BBK ) is one of the POS coin that has no fee and has instant transaction, imho this can be one of the promising coins that will be hitting the top ranks in CMS in the future. To learn more and earn your first BBK join us in the -------->
discord server https://discord.gg/ztSTnXz. They have airdrops bounties and random rains. and cool/fun trivia/quiz too.