The 1inch token is used as a governance token for the 1inch network, which is a decentralized exchange (DEX) aggregator that connects multiple DEXes into one platform, and allows its users to find the most efficient swapping routes across all platforms. 1inch allows traders to source the best liquidity options and rates from different exchanges without having to check them manually.
1inch was founded by Sergej Kunz and Anton Bukov, and was launched in 2020. It is backed by several influential investors, including Binance Labs, Galaxy Digital, Greenfield One, Libertus Capital, and Dragonfly Capital. The network is governed by a decentralized autonomous organization (DAO).

DEW is a decentralized exchange that allows users to trade blockchain-based assets as well as stocks, futures, and other securities. Asset transfers are executed according to rules established in smart contracts, and a chain-based clearing mechanism ensures transparency. The DEW network, and exchange, is powered by the Ethereum-based DEW token.

Newdex is the first EOS based decentralized exchange. It's built on the EOS main chain and uses an off-chain matching mechanism to pair buyers and sellers. Newdex was hacked in September 2018, and lost around $58,000 worth of cryptocurrencies. Trading fees are 0.1%.