There is no definitive answer to this question as it depends on individual preferences and needs. Some popular Ethereum tokens include Augur, DigixDAO, Golem, and Maker.

These tokens offer a wide range of features and benefits, so it is important to research each one carefully before making a decision.

Augur is a decentralized prediction market platform built on the Ethereum blockchain. It allows users to forecast events and earn rewards for correctly predicting the outcomes.

Augur also provides a marketplace for trading virtual shares in real-world events.

DigixDAO is a decentralized autonomous organization that creates digital assets backed by physical gold bars. Its goal is to provide a more stable and secure form of cryptocurrency that is less susceptible to volatile price swings.

DigixDAO tokens can be used to purchase gold-backed tokens or used to participate in the governance of the organization.

Golem is a decentralized supercomputer network that anyone can access. It allows users to rent out their idle computing power or buy computing power from others in the network.

Golem also provides a marketplace for developers to sell or buy software applications that run on the network.

Maker is a decentralized lending platform built on the Ethereum blockchain. It allows users to borrow or lend Ether, Dai, and other cryptocurrencies.

Maker also provides a decentralized exchange where users can trade these assets without having to go through a centralized exchange.