0x
0x provides flexible smart contracts to build decentralized exchanges and trading protocols.

What is 0x?
0x was founded in 2017 by Will Warren, and is one of the oldes decentralized exchanges. To date, 0x has raised $109 million dollars with their most recent Series B close which raised $70M by investors including Pantera Capital and Jump Crypto. 0x is a free-to-use Ethereum-based exchange that enables developers and businesses to build decentralized exchanges securely and quickly. By using 0x's open-source smart contracts, users can build trading protocols that enable direct non-custodial wallet-to-wallet trading between any ERC-20 and ERC-723 tokens. The 0x network is powered by nodes that host an off-chain order book that facilitates transactions by using their ZRX token.
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Developer resources from Alchemy

Billions of dollars traded globally on 0x. Powered by Alchemy.
Alchemy allows all of our integrators to have more responsive experiences and it allows us to offer a more reliable service - we’re able to generate quotes in less than a second.

Inside Alchemy
When enterprises evaluate blockchain providers, security is paramount. Here's how our security team—built from experts at major banks, federal agencies, and leading cloud providers—delivers infrastructure that meets enterprise standards.

Preparing for the Agave 2.0 Upgrade
A quick reference for the RPC endpoint deprecations coming in Solana's Agave v2.0 release and the replacement calls you should migrate to now.
0x alternatives
Explore web3 competitors and apps like 0x.
