「DATA」http://Refer-Twitter.data.eco/invite/0dLskMSg
「CRYPTMININGFARM」https://www.cryptomining.farm/signup/?referrer=5A7E5598E4C6C
（エアドロップとは違うけど無料のマイニング？まだ始めたばかりなので検証中）
「Goldchain pro」GoldchainPro is a global gold asset trading platform based on blockchain cryptocurrencies. Open the first round of airdrop plans, register yourself to receive 18 gold tokens, invite friends to register to get 8 gold tokens, after the first round of airdrops can be sent. https://referral.goldchain.pro/?code=zovY7184LQ