access
bank
banking
box
business
cash
code
coins
combination
concept
confidential
currency
dataphone
deposit
design
door
element
finance
financial
icon
illustration
insurance
isolated
key
metal
money
object
password
piggy
pile
private
protect
protection
safe
safety
saving
savings
secrecy
secret
secure
security
stack
storage
strength
strongbox
treasure
trust
voucher
wealth