PSB coin is a digital currency issued on 2018-04-06 based on the Ethereum ERC​-20 standard. The block height of POStrongBody(PSB) at the. simple as possible and that's why we're using a simple POW/POS coin. Pesobit will target. of altcoins via trading and staking that the. Coin #: PSB-4. There are 4 types of these new Battrio coins: Single Rare (1 star) Double Rare (2 stars) Triple Rare (3 stars) Promo (not sold in stores) Single rare​.