P2PExplainer

How peer-to-peer crypto trading works without an exchange in the middle

Peer-to-peer markets let you buy and sell directly with another person, with escrow instead of a company. Here is how they work, and how to stay safe.

Instant exchanges are quick, but you are still trusting a company for a few minutes. Peer-to-peer (P2P) markets remove that company: you trade directly with another person, and the software makes sure neither side can simply walk away with the money.

The basic flow

  1. A seller posts an offer: for example, selling Monero for euros by bank transfer, at a stated price.
  2. A buyer takes the offer. Both put up a security deposit, and the seller's crypto is locked in escrow.
  3. The buyer pays with the agreed method, outside the platform: a bank transfer, cash by mail, or another coin.
  4. The seller confirms the payment arrived, and the escrow releases the crypto to the buyer.
  5. If something goes wrong, a mediator or arbitrator reviews the evidence and decides who gets the escrow.

Types of escrow

  • Multisig escrow: the crypto sits in an address that needs two of three keys to spend: buyer, seller and arbitrator. No single party can move it alone.
  • Smart-contract or protocol escrow: rules enforced by code, used by atomic swaps and some newer markets.
  • Platform escrow: a company holds the funds. Simpler, but you are back to trusting a middleman.

Why people use P2P

  • No account with personal documents on most decentralised markets.
  • Many payment methods, including ones exchanges do not support.
  • No single company that can freeze your funds or be hacked for its customer list.

The risks

  • Payment fraud. Bank transfers can be reversed. Some payment methods carry more chargeback risk than others.
  • Slower trades. You wait for a human on the other side.
  • Your bank details are seen by the other trader when paying by bank transfer.

Staying safe

  • Start small with traders who have a long history.
  • Never release escrow until the payment has actually arrived and settled.
  • Keep all communication on the platform, so mediators can see it.

For quick swaps between coins, an instant exchange is simpler. For turning cash into crypto without an account, P2P is often the best option. Our Monero buying guide covers both.

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