What you missed?

Let say that for the first time bitcoin is worth more then physical gold (breaking news on all major papers and stock exchanges), new ATH, many scams coin were created in that time while youre were gone. Some coins try hard to take and be replacement for bitcoin.

So many to tell and so little time in this i suggest that you read some crypto related news to try to follow thing that happen in almost 18 month that is quite big period for research and to tell.