lncli createwhen you first start up your node. This seed phrase consists of 24 English words and can be used to derive your node’s public key as well as the Bitcoin private keys of all your on-chain funds. Using only this key, you will be able to recover all on-chain funds in your LND wallet as well as all funds from channels your peers force close on you after your node goes offline.
.lnd/data/chain/bitcoin/channel.backup. This file contains all backups for all our currently existing channels and it is updated every time we or somebody else opens a new channel. We can also obtain the SCB for a specific channel with the command
lncli exportchanbackup --chan_point <channel point>
channel.dbfile found in
.lnd/graph/mainnetcontains important additional information about our channels. We cannot recover from it directly and will need help from additional advanced tools, but the information derived from it can be helpful in recovering funds from channels where peers are not reachable.