The goal is not to make assets disappear; the goal is to make sure the right authority — the one whose legal system you have chosen to live under — is the one that sees them. A second passport allows an account to be opened under a different identity document. A new residence permit allows that account to be tax-reported to a different jurisdiction. The combination dramatically narrows the audience for your private financial information.
Where the CIES is involved, the receiving jurisdiction is Hong Kong — a financial centre with bank secrecy traditions, a strict territorial regime, no inheritance tax and no exchange controls. For families exiting high-tax or politically uncertain home countries, this is often the difference between feeling exposed and feeling settled.
Every structure we recommend is compliant with the disclosure obligations of the jurisdictions involved. The line between privacy and evasion is the quality of the structuring, the genuineness of the ties created, and the discipline with which the new residency is maintained.