Similar coins
One of the earliest digital coins, Peercoin (PPC) was released in 2012. It was the first to bring the “Proof-of-Stake” concept to life. Peercoin is a peer-to-peer cryptocurrency and is minable. PPC is widely represented on exchanges. You can also buy this coin for fiat currency.
MediShares (MDS) token is based on cryptocurrency Ethereum protocol. You can buy the token on the number of exchanges with crypto (BTC, ETH or USDT).
AppCoins (APPC) token is ERC20 compliant and listed on major crypto exchanges. The coin is also supported by the number of popular wallets.