Hi All,
I have been in cryptocurrency since 2014 but last 3 years I took a break from it. I had high hopes how it can change the financial world.
I would like to get back into it but first I would like to find out what is cryptocurrency today.
Is it just a trading commodity, long term investment or is it (very very very) slowly replacing fiat. I know there are many companies and small shops that accept cryptocurrency but is that it? Is the problem still about the speed of a transaction
Please help me catch up a little

You are already catch up my friend . Bitcoin as a store of value for a long term investment. They also consider it as an asset as bitcoin deposited on your own wallet. A kind of propertty , as being a commodity that you can go by trading. A currency that could be used in exchange and as a mode of payments.