A use-case-specific blockchain has been built by the digital P2P network Ravencoin. It is intended to manage the transfer of digital assets from one party to another in an effective manner. One of the greatest altcoins for GPU mining is this one.

With the help of the cryptocurrency Ravencoin, you can send money instantly to anyone in the globe. It enables seamless mining with GPU hardware designed for consumer use.
https://ravencoin.org