consider add block explorer address

[4-FLOSS-Free-Libre-Open-Source-Software]

blockchair already exists as block explorer selection. This is a hsv3 mirror. Please consider add the following
explorer address: http://blkchairbknpn73cfjhevhla7rkp4ed5gg2knctvv7it4lioy22defid.onion/litecoin
proof: https://status.blockchair.com/