1inch is giving free token them who traded before 24/12/2020. If you did any trade before in that day you can check your wallet by login 1inch exchange. If you are eligible to claim free 1inch token it will appear.
That's not really accurate information, 1inch exchanges giving airdrop for all wallet
registered not traded before 24/12/2020.
And it need to meet at least 1 requirement to get the airdrop :
1. At least one trade before Sept 15
2. At least 4 trades in total
3. At least $20 in total volume
You can read the full information here
https://medium.com/kucoinexchange/1inch-1inch-gets-listed-on-kucoin-tutorial-on-how-to-claim-free-1inch-airdrop-7feb675ebf1b