To use Black INK contracts, users must stake INK tokens on the Black INK protocol. The tokens are used as reward payments to "keepers" who check vested contracts and call out harvest method when it is needed. Currently users are charged with an equivalent of 2 EVERs in INK tokens per reinvest.
The "keeper" also receives 8% of the reinvested amount (Available reward) in LP tokens pre reinvest.
16% of the reinvested available reward in reward tokens is allocated to INK buyback from the market. In the first instance, there will be only one QUBE-INK liquidity pair with initial liquidity taken from the public investment round.