BlackCoin
From Conservapedia
BlackCoin is an open-source cryptocurrency which uses the proof-of-stake model. Like other Cryptocurrencies, currency transfers are performed through a peer-to-peer network. However, unlike most others, Blackcoin is not designed for secrecy—all transfers are viewable in a public ledger.
Value
In February 2018, 1 BLK was valued at $0.256 (USD)