Excuse me, could you please clarify what you mean by "lossless to dollars"? Are you referring to a specific
cryptocurrency or financial instrument that is advertised as having no loss in value when converted to dollars? If so, it's important to note that no investment is truly "lossless," as there are always risks involved, including market fluctuations and other factors that can affect the value of an asset.
However, if you're asking about a stablecoin or some other type of cryptocurrency that is designed to maintain a stable value relative to a fiat currency like the US dollar, then the answer would depend on the specific coin and its pegging mechanism. Some stablecoins are backed by a reserve of dollars or other assets, while others use algorithms to maintain their value.
In any case, it's important to do your own research and understand the risks and potential rewards before investing in any cryptocurrency or financial instrument.