Different altcoins can be an alternative to Bitcoin???

Cryptocurrency payment system Bitcoin has already gained popularity among Internet users. But the more people working on the network, the higher load and chance of transaction delay. Thus, developers are forced to increase the size of the commissions, wishing to provide the chance to quickly make a deal. For this reason, many holders of digital money are looking for alternatives that will allow you to move past the issue with the queue operations.

In your opinion what altcoins can claim the role of the payment system, in addition to the already popular!? I think Steem is great. We can do it all together.