According to CoinGecko, the top ten airdrops from 2020 to 2023 are: Uniswap ($6.43 billion), Apecoin ($3.54 billion), dYdX ($2.01 billion), Arbitrum ($1.97 billion), ENS ($1.88 billion), ICP ($1.74 billion), Bonk ($1.33 billion), Celestia ($728 million), LooksRare ($712 million), 1inch ($670 million). The top 50 airdrops distributed a total of $26.6 billion worth of tokens.