The fundraising, or also called bank fundraising, as its name suggests, is to capture or collect money from people or organizations. This money that captures The benchDepending on the type of account you have, it generates interest (deposit interest), which is defined by the so-called deposit interest rate.
Ultimately, what the bank is interested in is that people or companies put their money in the system, therefore, what it does is pay an amount of money to encourage people or entities to deposit their resources in the bank.