Ethereum is the most versatile blockchain on web 3.0. This versatility is due to the ability to run smart contracts on Ethereum. Smart contracts function similar to a vending machine. The smart contract will only execute when certain specifications are met. In the same way, a vending machine will only execute a transaction until you insert coins and make a selection. Rather than using physical coins, Ethereum uses digital tokens. On the Ethereum blockchain, tokens represent a wide range of di...