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Primary Address vs Subaddress: What Makes More Sense for a Monero Market ?
Monero markets do not all handle deposit addresses the same way.
Some use a Payment ID or integrated address, often with the same recognizable prefix for every user. Others generate a separate subaddress for each account or each deposit.
Both methods work, but the choice says a lot about how the market handles privacy, infrastructure and disputes.
Payment ID or integrated addresses
For a market, this setup can be easier to manage.
Addresses can be generated without exposing the full wallet, the system is simple to automate, and the market can keep a recognizable prefix across all deposits.
That sounds convenient, but there are some downsides.
The market still needs to correctly match every payment to the right user through its internal database. If that mapping fails, the user may have paid successfully while the deposit remains uncredited.
A recognizable prefix is also not a real anti-phishing guarantee. A phishing site can generate an address with the same prefix and still control the funds.
From the user’s side, this system requires more trust in the market’s internal accounting.
Subaddresses
With subaddresses, every user or deposit receives a separate address.
This usually feels cleaner from the user’s perspective. The address shown on the deposit page is directly associated with that specific account or deposit request.
It also makes disputes easier to understand:
this was the address assigned;
this was the transaction;
this was the amount sent.
There is less ambiguity.
Subaddresses also reduce visible address reuse and provide better separation between deposits.
The downside is that the market has to manage its wallet infrastructure properly. It must track subaddress indexes, monitor the correct address range and secure the view key and wallet services.
A badly implemented subaddress system can still miss deposits or expose sensitive information.
So which one is better?
For the market, primary or integrated addresses may be easier to deploy and scale.
For the user, subaddresses are usually more reassuring.
They provide clearer deposit separation, simpler dispute handling and less dependence on an internal payment ID or database mapping.
That does not mean subaddresses automatically guarantee good OPSEC. A market can use subaddresses and still keep excessive logs, expose its wallet infrastructure or retain every user-to-address link indefinitely.
The address format is only one part of the overall setup.
Archetyp is often said to have used primary-style deposit addresses before later moving to subaddresses. Assuming that is accurate, it would be interesting to know what drove the change: privacy, easier dispute handling, phishing concerns or a broader wallet redesign.
For users, which setup creates more trust?
A recognizable primary-address prefix, or a unique subaddress for every deposit?