Wallet separation can be undone by later behavior such as common gas funding, consolidation, public receipts, shared accounts, and repeated address reuse.
Funding every wallet from one source
Native gas transfers create direct public edges. A newly created destination can immediately become related to the wallet that supplies its gas.
Consolidating after delivery
Moving outputs from several addresses into one wallet creates a clear collection point. On Bitcoin, combining UTXOs can also add common-control evidence.
Publishing operational data
Screenshots, order IDs, addresses, and transaction hashes can connect records that were otherwise only probabilistically related.
Treating tools as guarantees
A fresh address, chain change, token change, or private route can reduce particular signals without eliminating all others. Use precise expectations.
How to read the evidence
Wallet privacy is cumulative. The route, browser session, wallet connection, gas source, receiving address, exchange account, public profile, and later transfers can each add a different relationship. Review those layers separately and avoid treating one fresh address as a complete solution. The most useful objective is minimizing unnecessary links while keeping recovery, address verification, and transaction safety intact.