Topaz Coin (TOPAZ) started in 2017 and finished in 2018, with a total supply of 76 thousand coins. The team/founder is hidden, The main reason this coin was listed is scaming.
Topaz Coin is created as community coin using the HMQ1725 algorithm, which aims to ensure that mining enthusiasts with even a simple personal computer can join the bandwagon of miners. A hybrid cryptocurrency, it has a PoW rewards of 1 for the first 5000 blocks and decreases by 0.1 per subsequent 5000 blocks and remains at 0.1 after the 40000th block and beyond. TOPAZ starts to be a hybrid PoW and PoS coin after the 1325th block with a staking reward of 20% per annum. TOPAZ is trader and miner-friendly with a low premine of 25000 and a low supply coin.