All OBITS used to migrate to VPLedger.com is burned from BitShares network.
The total OBITS supply of 14 497 286 is equal 1:1 to the total supply of VPLedger SaaS tokens called Vimples (VPL) offered on VPLedger.com, and whatever OBITS has been used as voucher via ERC20 OBITS version or as way of migrating in form of BitShares network token OBITS, they will be the supply available on VPLedger via testnet initially to send and receive or to be used to upgrade as Lifetime Member, and finally on mainnet when launched as supply available.
OBITS ERC20 tokens can also be used to buy VPL, but needs done via BUY section on VPLedger.com. These OBITS vouchers are also burned from total OBITS supply.