about zc

you have 4 way to get zc

1-paying money .
2-log in get 5-10 zc each day u log in or by staying online .
3-playing a zc map that only start with 2-4 players at least get 1-5 zc , no exp get from this map .
4-story mode get 10 zc max 50 per day .

for way 1 the items are tradeable and can be gifted
but for way 2,3 and 4 the items are not tradeable or be gifted .

so will be
zc
and
zc bound

what is ur idea ?