Bitcoin becomes so useful nowadays even before when there is still no pandemic. It becomes more popular in our new current situation because there are so many jobless people and one way for them to earn money is a cryptocurrency which is a really good idea because we can really earn big amount of money in crypto especially if we have good knowledge about it. There are many things we need to know first before investing and to earn money in the crypto world. Do not invest in without any good knowledge at all.