There could be never be called as best crypto in 2020 and even bitcoin is still not the best in that year. Innovations and collaborations with giant tech companies, retail industries and government regulations are the new trends of crypto and ICOs will be gone and some will is going to buy out potentila ICOs. Private block chains are favorable by investment institutions. So for what token or coins that are not strong today will be strong tomorrow we never know which one as long they innovate then they will stand out soon. It is hard to name a few but there are lot potential projects are still developing to cope up what bitcoin is lacking of.