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Bitcoin -an introduction
1.
2. WHAT IS A BITCOIN?
‣ Digital file or ledger that contains names and balances, and people exchange money by changing this file.
There’s no gold or government issued money backing these numbers.
People are willing to trade for a higher number in this digital file because he has faith that other people will also trust the system.
3. Bitcoin..
- First decentralized digital cryptocurrency.
- No one controls it.
- Transferred through person to person.
- Transactions are recored in block chain — a public ledger.
5. BITCOIN WALLET
Bitcoins are stored in your digital wallet. When you transfer bitcoins an electronic signature is added. After few minutes the
transaction is verified and stored in the network.
6. ACCOUNT SECURITY
‣ Requires signature, it’s based on math rather than handwriting.
When a new account number is created, it comes along with a private key mathematically linked to that account
number. If you’ve heard of a Bitcoin wallet, these keys are what it holds, and are what allow you to create signatures.
Unlike the handwritten version, these signatures can’t be copied and reused in the future, as they’re unique to each
transaction.
8. MAINTAINING THE LEDGER
Signatures keep unauthorized transactions from changing the ledger.
Provide decentralized system.
Every time someone sends money, a transaction message is passed around to all the people who want to
help maintain the ledger, called miners. Each miners keeps a personal copy of the ledger and updates it
whenever they receive a new transaction with a valid signature.
9. HOW DOES THE MONEY GET CREATED?
‣ Every time a puzzle is solved, a small award is added to the solver’s balance.
The voting system simply provides a convenient way to randomly distribute money into the world, and in fact, after
2140 no more money will be created.
11. BITCOIN GOOD OR BAD?
‣ This virtual currency is gaining huge popularity worldwide and mass adoption.
There are quite a few advantages that make Bitcoin a one of a kind digital currency that has no likeness. Of course,
because nothing is perfect, Bitcoin does have its flaws.
Bitcoin was considered to be a scam due to it’s several negative factors. But over the time when experts from various
sectors started examining Bitcoin, they understood the power of digital currencies and started to look it in a positive
way. If Bitcoin has many advantages it also carries various disadvantages as well.
12. ADVANTAGES OF BITCOIN
‣ Anonymous and Private
Payment Freedom
Low/Minimal Fees
Fewer risks for merchants
It’s fast
Central governments can’t take it away
People can’t steal your payment information from merchants
13. DISADVANTAGES OF BITCOIN
‣ Bitcoins Are Not Widely Accepted
Wallets Can Be Lost
Bitcoin Valuation Fluctuates
No Buyer Protection
Risk of Unknown Technical Flaws
Built in Deflation
No Physical Form
No Valuation Guarantee
14. BITCOIN VALUE
THERE CAN BE ONLY 21 MILLIONS BITCOINS
1 BITCOIN = $6,104.09 (AS OF 31ST OCTOBER 2017)
15. BITCOIN IN NEPAL
‣ Central Bank of Nepal is not able to track the transaction and is a high risk for going outward remittance for buying
bitcoins than inward remittance.
Public Opinion: A lot has changed in terms of perception and in terms of where digital currencies are. Digital currencies
are here and have set a solid foothold in the world economy. Its acceptance has accelerated, governments around
the world are realizing its importance and its value. One thing is for sure, digital currencies will do more good to the
people of the country than harm. Hope that the government will soon realize its endless possibilities and
formulate regulations that support innovation and growth.
17. HISTORY
‣ On 18 August 2008, the domain name bitcoin.org was registered.
‣ In November that year, a link to a paper authored by Satoshi Nakamoto titled Bitcoin: A
Peer-to-Peer Electronic Cash System was posted to a cryptography mailing list.
‣ Nakamoto implemented the bitcoin software as open source code and released it in
January 2009. The identity of Nakamoto remains unknown, though many have claimed
to know it.