Baseline protocols capture value on web 3.0 rather than just the applications running on it. Whether investing in the protocol itself or a specific dapp the value of both increase. Another benefit of web 3.0 is that it’s decentralized nature allows greater competition, especially against monopolies existing on web 2.0.
A token is a cryptocurrency created via smart contract on a blockchain’s second layer.
On Ethereum you can create a fungible token by programming smart contracts with the ERC-20 standard, or a non-fungible token with the ERC-721 or ERC-1155 standard.