1. The cryptocurrency units are created by the solution of cryptographic tasks called mining.
2. The miners not only generate new monetary units, but also initiate new transactions to the block chain.
3. As a reward, they will receive new Bitcoins. In terms of trade, the creation of cryptocurrencies may be related to the ICO (Initial Coin Offer) procedure, i.e. the ICO, aimed at gathering the initial capital necessary for the further development of the system.
4. The initial value of cryptographic currency is just the cost of consumed electricity. The secondary value is determined by the demand for the cryptocurrency.

Stored value card is a type of debit card that is pre-loaded with certain amount(value), with which a payment is made. It is a card that has default monetary value onto it. The card may be disposed when the value is used, or recharged to use it again. The major advantage of stored value card is that customers don't need to have a bank account to get prepaid cards. There are two varieties for stored value card.
(i) Closed loop (single purpose) Eg: Chennai metro rail travel card.
(ii) Open loop (multipurpose) Eg.: Visa gift cards.

All Payment cards (including debit card) are usually plastic cards of size 85.60 mm width x 53.98 mm height, rounded corners with a radius of 2.88 mm to 3.48 mm and thickness of 0.76 mm. These standards dimensions are maintained universally in accordance with ISO/IEC 7810#ID-1.
(i) Publisher
(ii) Credit card number
(iii) Name of the card holder
(iv) EMV chip
(v) RFID symbol
(vi) Expiration month and year
(vii) Card brand logo
(viii) Magnetic stripe
(ix) Hologram
(x) Signature
(xi) CVC/CVV

No	Basic	Debit card	Credit card
1.	Transaction limit	Associated with your account.	Work as a short term borrowing instrument.
2.	Repayment requirement	No repayment required.	Repayment of used fund with in stipulated period.
3.	Penalty	No Penalty	Interest after due date and penalty on new payment.
4.	Credit score	Does not impact credit score.	Over dues, non payment and dues settlement can negatively impact the credit score.
5.	EMI facility	You can't buy items on EMI.	You can buy items on EMI.

(i) It is an online payment system designed to allow efficient and frequent payments of small amounts.
(ii) The majority of micro electronic payment system were designed to pay for simple goods on the Internet. e.g., subscriptions of online games, read journals, listen to a song or watch a movie online etc.
(iii) In general, the parties involved in the micro on-line payments are Customer, Service Provider and Payment processor.