Crypto Market Meltdown: Over Half of Altcoins Have Disappeared Since 2021

A shocking trend has emerged in the cryptocurrency market, revealing that over half of all altcoin projects have vanished since 2021. Recent data by GeckoTerminal shows approximately 52.7% of the 7 million altcoins listed during this time have ceased trading, indicating a significant collapse within the sector. Notably, the years 2024 and 2025 witnessed the highest levels of coin failures. This year alone, nearly as many altcoin projects disappeared as in the previous four years combined.