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Created page with "Exchanges that are outside the Blockchain and can be completed via a variety of techniques like using a CEX == KEY TAKEAWAYS == * In blockchain-based cryptocurrencies, off-chain transactions refer to those which occur outside of the blockchain itself. * Off-chain transactions can work by using a CEX , swapping private keys to an existing wallet instead of transferring funds, or by using a third-party or coupon-based interlocutor. * Off-chain transactions can en..."