There is no need to create an emergency fund before investing. Because if you are not investing, then in my opinion, an emergency fund is of little importance. Invest first and then gradually build an emergency fund. Or if you have the money to create an emergency fund, then immediately create it as soon as you invest. Try to keep 3 times your disposable income in an emergency fund.
I personally think that whether you invest or not you need to have an emergency fund. Because at any moment you may fall into danger, you will need money to face the danger. It's not that only those investing in Bitcoin should have an emergency fund, everyone should have an emergency fund. Now it can be said that those who invest in risky sectors like Bitcoin, in this case emergency fund should be given more importance, you must have emergency fund. Now if you invest in Bitcoin, if you don't have an emergency fund, it will be difficult to hold the investment for long.
Having emergency fund indicates good management of money and having it as an investors it also prove the quality of a good investors. It is very important to draft a good plan as an investors because occurrence in life is unpredicted and when emergency happens it only the emergency fund that can save you instead of taking money from your investment that you never planned to.
Another importance for having emergency fund, it also encourages to meet up with investing task, when their is an emergency there is already emergency fund that can sort it out, you don't need to hold break to your investment.
in my opinion if a new Investor is coming into investing bitcoin it is advisable to take your time and get yourself prepared before investing, jumping into bitcoin investment without laying down plans on how to manage your bitcoin investment may cause you to sell your bitcoin at early stage of accumulation, and emergency fund is also Very important for an inventor to set up to enable him or her run a smooth bitcoin investment journey for long term.