A trust in which a fiduciary third party has total discretion to make investments on behalf of a beneficiary while the beneficiary is uninformed about the holdings of the trust. Bloomberg Financial Dictionary
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blind trust UK US noun [C] FINANCE
► a financial arrangement in which someone agrees that their money can be invested by other people and that they cannot influence the types of investment those people choose to make: »
The idea behind the blind trust is that if an official doesn't know exactly how his holdings are being invested, he cannot deliberately make decisions that might boost his wealth.
Financial and business terms. 2012.