Ethereum (ETH), Dogecoin (DOGE), and Bitcoin Spark (BTCS) have been regarded as great cryptocurrency investments. So, let’s explore their potential. Ethereum staking With the transition from a Proof-of-Work (PoW) to a Proof-of-Stake (PoS) consensus mechanism, Ethereum holders can now participate in staking. By locking up at least 32 Ether (ETH), individuals contribute to the network’s …