On land, the Chagos Islands sit 1,100 miles southwest of the Indian coast. Online, they sit squarely in the middle of a battle over digital domain names between nations. As NFTs have gained popularity and created a digital gold rush in recent years, many firms are using the web address .io for their domains. The question of who owns the .io address (which designates the Chagos Islands in the British Indian Ocean Territory) is heating up between Britain and Mauritius.