The document provides an overview of cryptocurrency, particularly focusing on Bitcoin and several major cryptocurrencies such as Litecoin, Peercoin, and Namecoin. It details the characteristics of cryptocurrencies, methods of obtaining them, and the legality of Bitcoin globally. Key features include decentralization, anonymity, and low transaction fees.

1. CURRENC
Y
KUMAR
IV yr.
Technology
5052

2. • WHAT IS CRYPTOCURRENCY
• MAJOR CRYPTOCURRENCIES
• WHAT ARE BITCOINS
• WHAT IT IS BASED ON ?
• HOW TO OBTAIN BITCOIN ?
• LITECOIN
• PEERCOIN
• NAMECOIN
• WORLDCOIN
• OTHER MAJOR
CRYPTOCURRENCIES
• LEGALITY OF BITCOINS IN WORLD

3.  It is the medium of exchange for goods and
services on internet.
 Unlike the our hard cash it is impossible to
touch and feel this.
What is Crypto-currency ?

4. MAJOR CRYPTO-CURRENCIES
• Bitcoin
• Litecoin
• Peercoin
• Namecoin
• Megacoin
• Quarkcoin
• Protoshares
• Worldcoin
• Primecoin
• Feathercoin
• Nxt
• Novacoin
• Freicoin
• Anoncoin
• Terracoin
• Cryptogenic-Bullion
• Infinitecoin
• Zetacoin
• BBQCoin
• Stablecoin

5. HOW CAN ONE OBTAIN
CRYPTOCURRENCIES?
 Earn Bitcoins from mining
 Earn Bitcoins by accepting them as a means of
payment
 Earn Bitcoins trough trading
 Earn Bitcoins as a regular income
 Earn Bitcoin from interest payments
 Various ways (donations, gambling, getting tipped,
completing tasks on websites...)

7.  Bitcoin is software-based online payment system described by Satoshi
Nakamoto in 2008. And introduce as open-source software in 2009.
 It is a form of digital currency (physical form is absent), created and held
electronically. It is used to buy things electronically and in that sense it is no
different than conventional currency.
 Payments are recorded in a public ledger using its own unit of account
(Bitcoin).
 Bitcoin is commonly referred to as cryptocurrency and it can be divided into
smaller unit called Satoshi.

8. Features of BTC
Bitcoin has several features that set it apart from fiat
currencies:
 It is decentralized
 It is easy to set up and it is fast
 It is anonymous
 It is completely transparent
 Transaction fees are miniscule
 Transactions are irreversible

9. LITECOIN
 Based on Bitcoin protocol
 Can be efficiently mined on consumer grade
hardware
 Faster transaction confirmations (2.5min on
average)
 Proof-of-stake in addition to proof-of-work
 Scheduled to produce 84 million currency units
 Current market cap - $867 million

10. PEERCOIN
 Increased security via Proof-of-work + proof-of-
stake hybrid algorithm
 Energy efficiency - generating proof-of-stake
blocks
 Current market cap - $116 million

11. NAMECOIN - NMC
• Key/Value registration and transfer system
• Based on Bitcoin technology
• Allows you to:
– Securely register and transfer arbitrary names (keys)
– Attach value (data) to the names
– Trade and transact namecoins
• Use cases:
– Time stamping
– Bonds, shares
– Voting / Web of Trust
• Market cap - $62 million

12. WORLDCOIN
• Faster transaction time – 30 sec (over 20 x faster
than Bitcoin)
• 1% reward reduction weekly,
• encouraging quicker adoption
• Market cap - $24.5 million

13. OTHER MAJOR
CRYPTOCURRENCIES
QUARK
• Uses nine rounds of secure hashing from six different
algorithms
• Extra secure
• Market cap - $30 million
PRIMECOIN
• Cryptocurrency with Prime Number Proof- Of-Work
• First currency to have non-hashcash proof-of-work
• Market cap - $16.9 million
FEATHERCOIN
• Market Cap - $15.9 million
MEGACOIN
• Restricted to 42 million
• Market cap - $26 million

14. LEGALITY OF BITCOINS IN DIFFERENT COUNTRIES
PERMISSIVE CONTENTIOUS HOSTILE UNKNOWN

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