Too Long; Didn't Read
Vitalik Buterin held one of the first ICOs in history, but along with this ICO, the first bounty campaign was held. The high point of the bounty campaigns was rather short, it fell in the second half of 2017 and the first few months of 2018. The rapid growth of the entire cryptocurrency market that began in 2017 gave rise to a kind of vicious circle - the injection of new money contributed to an ultra-fast increase in the value of cryptocurrencies, thus the circle closed and continued to spin for several months.