Cryptocurrency and Blockchain is a growing field with a large scale. With these unknowns, there is the possibility of continuous increases and decreases, but there is no constant disagreement.
With the expansion of Bitcoin, there are a lot of competitive ideas discovered at certain times, many of which attract the public's attention. However, it is rarely recognized by the public that most of these ideas are pushed backwards for more promising or forgotten endeavors.
Although this initially appears to be a problem, it is a necessary consequence and requires exploring unknown boundaries. Sometimes it is obvious whether an idea may or may not work, but sometimes it is not.