Found 1 биржа where Haven1 is traded for ETH. According to the data on 6 May the most optimal price to exchange H1 for ETH is Ξ0 for 1 Haven1. This rate is fixed at Uniswap V4 (Ethereum) at the maximum trading volume of the pair H1/ETH - 5.6 ETH.
The maximum daily trading volume is observed in the H1/USDT trading pair at KuCoin and reaches Ξ 58.01 (25.91% of the exchange's total trading volumes) at the price Ξ 0 per 1 H1.