The cryptocurrency coins in the top 100 of market cap rankings as of February 2018 are as follows:
IOTA $IOTA
NANO $RAI (formerly Raiblocks)
Rchain $RHOC (There is some debate over whether or not Rchain is a DAG coin. The Rchain architecture details how payments in namespaces which do not affect one another run on concurrent blockchains. A visualization of the architecture is here:
)https://twitter.com/rchain_coop/status/958822202677194752
- rchain_coop
Byteball $GBYTE