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

Bitcoin will not replace money, but gold will. There is no problem about the speed of transactions. Do you think bank transfer is faster than bitcoin? If you send money to outside of your country then it's also need time and high fees, more fee = faster. The progress is pretty good, few years ago we still find big problem in finding store that accept bitcoin but now there are a lot of store accept bitcoin, and the progress will keep growing until all stores accept bitcoin.