Don't need a bank account or Twitter for verification level 1. You need to connect a VERIFIED Facebook account and very your phone number with Listia.
https://www.facebook.com/help/verify
Verified Account, Level 1 When a user has provided phone verification in addition to connecting with a verified1 Facebook account, they receive this first level of verification. Phone verification means that the user has successfully given us a valid phone number they have access to.