Typically, whenever anything is placed in a bank account, the verb used is “deposit”, eg “The customer deposited his precious metal bullion in the bank account.” * What does it mean if you replace bank account with bank account? If writing formal documentation, though, you would want to specify that it was deposited in the bank account belonging to the customer.

What are some ways to use “secure” verb with “the customer secured his precious metals” which implies that he likely placed it in an account of some sort, and has done so for the purpose of safekeeping.

If the purpose of the statement is to declare the specific actions taken by the customer for the purposes of record keeping, use “deposit”, here in german.

If the purpose of the statement is to imply the reason the customer deposited bullion in his account, use “secure”.