Found 2 биржи where RigoBlock is traded for ETH. According to the data on 13 January the most optimal price to exchange GRG for ETH is Ξ0 for 1 RigoBlock. This rate is fixed at Uniswap V4 (Base) at the maximum trading volume of the pair GRG/ETH - 0 ETH.
The maximum daily trading volume is observed in the GRG/USDT trading pair at FUBT and reaches Ξ 11.58 (583.13% of the exchange's total trading volumes) at the price Ξ 0 per 1 GRG.