Ravencoin is a fork of Bitcoin that was launched in 2018. It is a minable (Proof of Work) coin based on the UTXO model. Unlike Digibyte, Ravencoin ...
source https://www.google.com/url?rct=j&sa=t&url=https://seekingalpha.com/article/4214176-cryptoassets-explained-ravencoin&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHbMlDkUq4TFry_xmX9Q1mBR6ZFQg