In Electronic cash payment
(i) a customer withdraws “coins” in various denominations signed by the bank
(ii)the bank has a database of issued coins
(iii) the bank has a database of spent coins
(iv) the bank cannot trace a customer
a. i, ii
b. i, ii, iii
c. i, ii, iii, iv
d. ii, iii, iv
(i) a customer withdraws “coins” in various denominations signed by the bank
(ii)the bank has a database of issued coins
(iii) the bank has a database of spent coins
(iv) the bank cannot trace a customer
a. i, ii
b. i, ii, iii
c. i, ii, iii, iv
d. ii, iii, iv