The Problem of Sending BTC LN 1. The Problem of Sending BTC LN Coinbase restricts BTC LN sending to certain countries, which can cause problems for users who want to send funds abroad. 2. The Restrictions Users can only send BTC LN to sites that share their information with Coinbase. 3. The Consequences This means that users must mention the recipient site's name when sending, which can be a problem if the site doesn't share its information.