$Taj runs on a hybrid proof-of-work/proof-of-stake consensus. The coin clearly explains that its a digital currency dedicated to a person named Taj for his 4th birthday. Thus its a personalized blockchain.
$Taj is pow and pos, which means users or holders can mine $Taj or stake for passive income. There is no defined usecase of this project besides mining and staking, the top 2 uses that have probably kept the project alive for this long.
Mining $Taj is easy enough, all you need is a $Taj Wallet address, mining software suggested on the official website and a GPU. Personalized blockchains like $Taj are really special. Users celebrate the life of a person by holding the coin. $Taj ledger and Taj celebrate their birthday on July 10th every year. This year $Taj turned 4 years old, while Taj turned 8 years old.