ZRX is an Ethereum-based protocol which allows any ERC20 token to be traded on Ethereum Blockchain. 0x was developed in an intention with enabling users to trade any kind of digital asset with full control of its exchange.
How Transactions a performed in ZRX?
In Ethereum Blockchain, It takes around 15 seconds to solve an algorithmic hash or problem or it is the block time Ethereum network takes to complete a transaction. Hence, ZRX takes 15 seconds to complete a transaction.