Cryptocurrency is a decentralized digital asset running on a shared network, with over 4,000 variants, including Bitcoin and Ethereum. It operates on blockchain technology, providing secure and anonymous transactions through cryptographic encryption while enabling peer-to-peer transfers without intermediaries. Bitcoin, recognized as the first cryptocurrency, has gained legal status in countries like El Salvador, prompting concerns about its usage in illegal activities and environmental impact due to high energy consumption for mining.

1. CRYPTOCURRENCY

2. CRYPTOCURRENCY
• Cryptocurrency is a digitised asset spread through multiple
computers in a shared network
• The decentralised nature of this network shields them from any
control from government regulatory bodies
• There is no physical coin or bill unless you use a service that
allows you to cash in cryptocurrency for a physical token
• There are more than 4,000 cryptocurrencies in existence as of
January 2021

3. SOME OF THE CRYPTOCURRENCIES
• Litecoin
• Peercoin
• Namecoin
• Ethereum
• Bitcoin and more…

4. CRYPTOCURRENCY VALUES IN RUPEES
• 1 Litecoin = ₹11,647.30
• 1 Peercoin = ₹74.44
• 1 Namecoin = ₹116.57
• 1 Ethereum = ₹1,66,272.59
• 1 Bitcoin = ₹26,62,054.94
• The Supply of Bitcoin Is Limited to 21 Million

5. HISTORY
• Many investors consider bitcoin to be the original
cryptocurrency
• Founded in 2009 by a programmer (or, possibly, a
group of programmers) under the pseudonym Satoshi
Nakamoto
• Bitcoin ushered in a new age of blockchain technology
and decentralized digital currencies

6. BLOCKCHAIN TECHNOLOGY
• Blockchain is Secured and Protected with highly
Cryptographic Encryption, that provide very high level
of Encryption
• Blockchain is essentially a digital ledger of
transactions that is duplicated and distributed across
the entire network of computer systems on the
blockchain

7. DIGITAL LEDGER
• Blockchain is essentially a digital ledger of
transactions that is duplicated and distributed across
the entire network of computer systems on the
blockchain
• Blockchain is a type of DLT in which transactions are
recorded with an immutable cryptographic signature
called a hash

8. BLOCKCHAIN MINING
• Blockchain mining is used to secure and verify bitcoin
transactions
• Mining involves Blockchain miners who add bitcoin
transaction data to Bitcoin’s global public ledger of past
transactions
Peer to Peer Transactions
• A peer-to-peer money transfer uses a website or app to
transfer funds from one person to another over the
internet or mobile networks

9. REQUIREMENTS AS PER COMPUTER EXPERTS
• Absence of any centralised authority and is maintained
through distributed networks
• The system maintains records of cryptocurrency units
and who owns them
• The system decides whether new units can be created
and in case it does, decided the origin and the
ownership terms

10. CONTINUED…
• Ownership of cryptocurrency units can be proved
exclusively cryptographically
• The system allows transactions to be performed in
which ownership of the cryptographic units is changed

11. ADVANTAGES
• Funds transfer between two parties will be easy
without the need of third party like credit/debit cards
or banks
• It is a cheaper alternative compared to other online
transactions
• Payments are safe and secured and offer an
unprecedented level of anonymity

12. CONTINUED…
• Modern cryptocurrency systems come with a user
“wallet” or account address which is accessible only by
a public key and pirate key. The private key is only
know to the owner of the wallet
• Funds transfer are completed with minimal processing
fees

13. DISADVANTAGES
• The almost hidden nature of cryptocurrency
transactions makes them easy to be the focus of
illegal activities such as money laundering, tax-
evasion and possibly even terror-financing
• Payments are not irreversible
• Cryptocurrencies are not accepted everywhere and
have limited value elsewhere

14. CONTINUED…
• There is concern that cryptocurrencies like Bitcoin are not
rooted in any material goods
• Some research, however, has identified that the cost of
producing a Bitcoin, which requires an increasingly large
amount of energy, is directly related to its market price
• Require high level system
• Carbon emissions

15. DIFF BTW BITCOIN & TRADITIONAL
PAYMENT

19. BITCOIN LEGALISED COUNTRY
• El Salvador became the first country in the world to
officially classify Bitcoin as a legal currency
• Tradition Economy of El-Salvador is begging for US doller
inflation
• It receives huge remittance from it’s diasphora, 20% GDP
dependence on it’s remittence
• By adopting the bitcoin, Govt of El-Salvador is looking to
bring down the transaction cost when it sending
remittence back home

20. “
”
யாதனின் யாதனின் நீங்கியான் ந ாதல்
அதனின் அதனின் இலன்
எந்த எந்தப் ப ாருள்களின் நேல் விருப் ம் இல்லாதவனாய் விலகுகிறாநனா
அவன் அந்த அந்த ப ாருள்களால் துன் ப் டோட்டான்.
Whatever thing, a man has renounced, by that thing; he cannot
suffer pain.

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