I think so.
Signum has some many ready use cases now. Many existing apps like BTDEX and Cryptoball filling actual needs.
The token economy is booming and pays very fare dividends.
The next-gen smart contracts being rolled out in the next month will have features no other coin has.
It is very inexpensive to move money around and has the highest transactions per second rate of any coin in existence.
It is also has among the lowest energy costs to mine so its good for the environment - and less likely to be targeted by government regulations.
Also the development team are present, accessible, and competent. They are in this for the long haul.
Today's price of 0.00579 USD is cheap.