Sonic Says Early VI Revenue Generated ~400% More Deflationary Impact Than Fee Burns Sonic Labs said revenue generated through its Vertical Integration (VI) model produced roughly 400% more deflationary impact than fee-related burns since March 1. Revenue from products including USSD and Metropolis vaults generated the equivalent of 295,454.55 S during the period, compared with 59,786.728 S burned through transaction fees and FeeM-related burns.