TLS stands for “Transport Layer Security”. This protocol ensures privacy and data security between two communicating applications. A TLS certificate is a type of digital certificate that provides authentication for a web service and enables an encrypted connection.

Here are some key points to understand about a TLS certificate:

LND’s TLS Certificate

The TLS certificate is a prerequisite for connecting with some LND applications, such as the Lightning Terminal, also from LND. You can download the TLS certificate in the “Connect” menu if you're using a Voltage Lightning Node. You can also find the TLS Certificate in the default configuration folder of LND, usually under ~/.lnd/tls.cert