Polymarket US on August 28 withdrew two NFL player participation contracts a day after they completed CFTC certification and a day before their planned listing, offering no public explanation, while the same day certifying Bitcoin, Ethereum and Solana price contracts. The NFL products, classified as binary-option swaps, would have paid out on whether a player participated at least once on offense or defense and settled against official NFL game records. Through its QCEX acquisition, Polymarket US is advancing the crypto contracts as paired, fully collateralized $1 event contracts under the binary options subcategory of swaps, with Yes or No payoffs on whether an asset trades above, below or within a stated level at a set time and settlement via CF Benchmarks data. The platform has also sought permanent confidential treatment for NFL compliance analyses, and another NFL starting-qualification contract remained certified. Self-certification is not formal CFTC approval, and the agency can still intervene or impose a stay before trading begins, an outcome that may shape how crypto and sports event contracts are treated in the United States.