According to @mcuban, the post asks which insurance companies most frequently use post-payment clawbacks and quiet withholds of future payments, bringing attention to payer recoupment practices that affect provider reimbursement timing (Source: Mark Cuban on X, Dec 5, 2025). Dr. John Asghar MD states he often receives clawbacks with little explanation or usable information, noting that funds are not pulled directly but future payments are quietly left unpaid, leaving providers guessing what was withheld and for which claim (Source: John Asghar MD on X, Dec 5, 2025). He adds this is becoming routine and expresses concern these clawbacks could increase as efforts grow to lessen prior authorization burden (Source: John Asghar MD on X, Dec 5, 2025). For trading relevance, the described clawbacks and offsets defer provider cash receipts and introduce timing uncertainty in revenue recognition and accounts receivable, which is directly implied by future payments going unpaid and unclear reconciliation (Source: John Asghar MD on X, Dec 5, 2025). The source post does not name specific insurers, so no company-level attribution can be made from this information alone (Source: Mark Cuban on X, Dec 5, 2025). No cryptocurrencies are mentioned in the post and no direct crypto market impact is indicated by the source (Source: Mark Cuban on X, Dec 5, 2025; John Asghar MD on X, Dec 5, 2025).