[ad_1] <br><img src="https://www.coindesk.com/resizer/GhLl6ukYUJrq5MN_az3TuBIqoGc=/800x600/cloudfront-us-east-1.images.arcpublishing.com/coindesk/EWHCMI3L65CCBBSIQ6JGY2MLXE.jpg" /><br>Ledger believes the service will help attract customers who have been put off by crypto's inefficient self-custody ethos. But critics wonder whether the concept is compatible with real hardware wallets.