I am sorry to hear about the death of you grandmother, I am guessing we are a similar age, and people of our generation's grandparents are slowly dying. My nana recently remarked her Christmas card list is getting shorter every year. On a less sombre note, Doge, ethereum classic, lite and the most important one STEEM are all meant to grow. However, it is always best to research each one. With cryptocurrencies, social media is a good way to understand them, because they are the currency of the people.