YZi Labs (formerly Binance) leads a $28 million investment in a full-chain certification protocol @sign Read the white paper and sign for rewards;

The project led by Binance first connects to Twitter, reads the white paper, and then you can sign it by clicking 'Sign';

Who knows, there might be great rewards. Take 2 minutes to complete it, don't be lazy, those with multiple Twitter accounts can sign up for more protection!

https://sign.global/api/share/orange-dynasty/visionary_observer