extract sha256 hash from 1FwZXt6EpRT7Fkndzv6K4b4DFoT4trbMrV

The string you provided, "1FwZXt6EpRT7Fkndzv6K4b4DFoT4trbMrV," appears to be a Bitcoin address, not a SHA-256 hash. Bitcoin addresses can be encoded using various formats, including Base58Check, which is used for Bitcoin addresses. If you have a specific context or source where this address is associated with a SHA-256 hash, please provide more details, and I can assist you further. If you're looking to generate a SHA-256 hash from this string, you can use various programming languages or online hash generators to do so. Would you like guidance on how to do that?