In 0x protocol, orders are transported off-chain, massively reducing gas costs and eliminating blockchain bloat. Relayers help broadcast orders and collect a fee each time they facilitate a trade. Anyone can build a relayer. Trustless exchange, Shared liquidity and Open source are the key benefits of the project.
This is the first step in the "Tokenized world" marathon. Where We will trade assets and goods in the form of tokens.
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