Block fraudsters, chargeback abusers, and serial returners using our community-built blocklist. Blox enables you to block repeat fraudsters, prevent chargebacks, and stop refund abusers before they place another order. Cancel high-risk orders before fulfillment. When one store flags fraud, all stores are protected. A merchant-powered blocklist that turns every block into shared protection against the internet’s worst fraudsters. Blox enables you to block repeat fraudsters, prevent chargebacks, and stop refund abusers before they place another order. Cancel high-risk orders before fulfillment. When one store flags fraud, all stores are protected. A merchant-powered blocklist that turns every block into shared protection against the internet’s worst fraudsters. more Cancel high-risk orders automatically before fulfillment without complex rules. Any customer blocked on another store is flagged for you to review. Auto-group customers with multiple accounts (e.g. different emails). Block serial returners and refund abusers. Hold customers who have issued chargebacks on other stores.