Staying safe on Nexus Market
The market handles escrow and disputes. It cannot handle the mistakes you make before an order exists. Most lost accounts and lost funds trace back to one of the things below.
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2FA
Turn it on at registration, not after the first deposit. Keep the recovery phrase offline, on paper or in a password manager that is not the same one as the account. If the phrase lives in a note inside the phone that holds the authenticator, you have one phone and zero backups.
The email
Use an address that is only for the market. If the same email is on your bank, your work and your market account, a breach on any of those three is a breach on all of them, and the market one is the only one where the cost is measured in coin.
Withdrawals
Pay out to an address you have used before. Make the first withdrawal to a new address a small one: an amount that hurts if it is wrong and proves nothing if it is right. Then the rest. A withdrawal sent to the wrong address is gone, and there is no support queue for it.
Vendors
Read the feedback before the first order. The recent entries and the dispute rate, not the average from three years ago. A new vendor is not automatically bad, but a new vendor with a long description and no history is a bet. Size the first order like a bet.
On the site itself
Keep Tor Browser updated. An old browser is an old set of circuits and an old set of bugs. Do not reuse a clearnet password here. When a link arrives in market chat, open it in a new tab and read the address before you trust the destination.
What nobody can do for you
The password, the 2FA and the withdrawal address are yours alone. No directory anywhere holds a copy, and any page that offers to check them, store them or recover them for you is not a directory. Every check on this page happens in your browser, on your circuit, and it is yours to run.