Coins built with a broad range of utility in mind and foresee an influx of investments/adoption from the "traditional" industry they are targeting, those are the coins to look for. And if the ecosystem supports existing stakeholders rather than pushing them out of business.

Go for Idol Network - building a platform that provides innovative solutions to allow empowering engagement and seamless interaction between the entertainment industry’s key players: Fans, Stars, and Entertainment Companies. Highlights of this project is the generation of value through community-specific Star Coin (secondary tokens based on a celebrities) while promoting ecosystem growth: Fans can support their celebrities with these Star Coin, and celebrity can crowdfund projects with it. Entertainment companies can also use the platform to headhunt for talents in the field.

To put it bluntly: Coins that sees usage from multi-billion-dollar industry, with users consisting of die-hard fans, eye-catching celebrities and big-name companies, THAT'S the coin you need to hold.