How to Swap: Top Crypto Pairs

Validate a MarketExchange API v2 recipient address with HMAC-SHA256 before order creation, then keep networks, memos, Order IDs, and TxIDs aligned.

Learn how to read a crypto AML risk score, spot pause-class labels, compare MarketExchange thresholds, and avoid fake unlock fees before swapping.

Use the MarketExchange homepage widget safely: match assets and networks, verify the recipient, send once, and save both tracking IDs.

Request a crypto swap refund to the original wallet: verify the TxID, prove the sending address, contact support, and track the return.

Use this USDT BEP20 vs TRC20 checklist to match the recipient network, verify the token and address, compare live fees, and avoid a wrong-chain send.

Use this crypto address poisoning checklist to verify the full pasted address, network, memo, order details, and hardware display before you send.

Find a crypto transaction ID, match it to the correct network explorer, verify status and details, and choose the safe next action.

Compare Fixed and Floating crypto swap rates, check lock conditions, choose by payout risk, and know what to do if a Fixed quote expires.

Stuck crypto swap? Check Order ID, deposit and payout TxID, then separate network delay from AML hold before you contact support.