Economically, your answer is correct. Of course, a bank deposit is, in practice, represented in some physical way. Economically, bank deposits are completely immaterial, even though they are represented physically. Next, please choose with which of the following statements you agree with most:

• When I transfer funds from my bank account to another, these funds move from my bank account to the other
• When I transfer funds from my bank account to another, these funds are instanteneously destroyed in my bank account and – simultaneously – created in the other account