Harmony is one of the new blockchain out there and it has pretty low value like dogecoin. Though it has features that can compete with bigger chains like polygon, ethereum etc. I have written an article covering the brief part of the harmony, you may want to read :) Check out the article: https://leofinance.io/@esmeesmith/what-is-harmony-one https://hive.blog/hive-167922/@esmeesmith/what-is-harmony-one