Under load it might take a few minutes to execute a trade, which is better than just losing your asset because the exchange went insolvent. This is why L2 is a

Under load it might take a few minutes to execute a trade, which is better than just losing your asset because the exchange went insolvent. This is why L2 is actively being developed on Ethereum, and already processing a lot of volume. Same trustless withdrawals, but higher bandwidth and lower fees.