For large swaps, there is still no automatic decentralized protocol that can specify the exact rate before the swap itself is implemented. Coin rate volatility during high volumes is a problem that has haunted tokens for a long time. CrossChain Swaps, which are based on bridges that are extremely insecure, are even worse. Remember how many EVM ( $ETH ) networks have been hacked on bridges.
Because of this, swaps between blockchains not in fundamental coins or stablecoins are problematic. To solve this problem, STONfi is developing the #Omniston protocol. On its native blockchain - $TON this protocol can aggregate liquidity between all DEX, but coupled with the Cross Chain developments of this DEX I am sure that Omniston will be integrated into the CrossChain system.
By the way, STONfi CrossChain is doing just as well: a test swap between $TRX and TON without bridges and wrapped tokens has already been done. Also soon after the swap with Tron is planned CrossChain with EVM networks, including $BNB .