Trading on Matcha is very safe. In addition to thorough testing by 0x Labs, top blockchain company ConsenSys Diligence audited the 0x v4 smart contracts which Matcha uses. You can review their audit results here.

Also, unlike a centralized exchange that can mismanage or lose your tokens, when you make a trade on a decentralized exchange, like Matcha, you retain complete custody of your tokens throughout the entire trading process.

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