May I ask, is it sufficient to have had a transaction? There aren't many limits on the amount, right?

Binance announces that GOMBLE (GM) will open for trading on Binance Alpha on April 17, 2025, at 19:30 (UTC+8). All Binance exchange users who have purchase records on Alpha will receive an airdrop reward of 403 GM tokens, limited to users who completed purchases on Alpha through the Binance exchange spot or funds account between March 27, 2025, 08:00 (UTC+8) and April 17, 2025, 07:59 (UTC+8).