The past year has been very difficult for cryptocurrency developers, service providers and investors, but also rich in news. Ethereum transition to 99% the collapse of the electricity-optimizing proof-of-stake model, Terra, Celsius, and FTX, the onset of cryptocurrency winter, and innovations in the field of cryptocurrency regulation have severely impacted both the market and the entire crypto ecosystem. Topics: 3 Cryptocurrencies Metavisa NFT Comments What events led to the start of the "cry...