If an individual sends $100,000 to someone's bank account in exchange for 8 BTC, won't the bank report it to the IRS. Is there a way for a user to receive fiat anonymously?
To receive fiat money anonymously you can use payment systems, for example: epayments, okpay, advcash, payeer etc. Or cryptocurrency cards.
This is P2P service for cryptocurrency - fiat money exchange. Participants can transfer money directly.