Blockchain
Program: B. Sc.IT
Batch:
2019-2022
Student Name:Karimjanov Diyorbek
Enrollment Number:A85204919044
What is digital or virtual
money?
D IG ITA L C U RRE N C IE S
VIRTUAL
CURRENCIES
DIGITAL
REPRESENTAT
ION
OF A VALUE
OTHER THAN
THE NATIONAL
CURRENCY
ELECTRONIC
MONEY
DIGITAL
REPRESENTATI
ON OF THE
NATIONAL
CURRENCY
What is blockchain, how does it
work and why is it needed ?
B L O C K C H A IN
BLOCKCHAIN (BLOCKCHAIN OR BLOCK CHAIN –"CHAIN OF BLOCKS") IS A DISTRIBUTED
PUBLIC DATABASE OF ALL TRANSACTIONS, WHICH COMBINES MANY
BLOCKS, EACH OF WHICH REPRESENTS ACERTAIN TYPE
OF INFORMATION ABOUT OPERATIONS PERFORMED BY NETWORKPARTICIPANTS.
BLOCKCHAIN (ENGLISH: BLOCKCHAIN OR BLOCK CHAIN)—
A CONTINUOUS SEQUENTIAL CHAIN OF BLOCKS CONTAINING INFORMATIONBUILT
ACCORDING TO CERTAIN RULES
2
Blockchain. The structure of the data
B L O C K C H A IN P R O V ID E S D ISTR IB U TE D ,
IM M U TA B L E STO RA G E W ITH B U IL T -IN IN TE G R ITY C H E C K IN G ,
B U T H A S A M A X IM U M C A P A C ITY B A SE D O N TH E STA N D A R D
B L O C K S IZ E A N D B L O C K SP E E D . TO P R O V ID E
IN TE G R ITY C H E C K S F O R L A R G E A M O U N TS O F D A TA ,
D A TA IS STO R E D O F F -N E TW O R K A N D H A SH D A TA IS STO RE D
O N -N E TW O R K . TH IS E N SU R E S TH A T TH E D A TA IS N O T
C H A N G E D , P R O TE C TIN G TH E TH E B L O C K C H A IN F R O M B L O A T.
Blockchain. Advantages
STO RA G E O F A L L M E M B E R S O F TH E SYSTE M A T TH E SA M E T IME , M A K IN G
IT IM P O SSIB L E TO H A C K A N D STE A L IT ;
TR A N SP A RE N C Y O F TH E D A TA O F C O M P L E TE D TRA N SA C TIO N S, SO
TH A T A N Y U SE R C A N TR A C K IN F O RM A TIO N A B O U T TH E TRA N SF E R O F
F U N D S A N D M A K E SU RE TH A T TH E P A YM E N T W A S A C TU A L L Y SE N T IN TH E
SYSTE M ;
N O N -RE TU R N A B IL ITY O F A L L TRA N SA C TIO N S: TH E P A YE R C A N N O T
RE V O K E O R F R E E Z E TH E SE N T M O N E Y TR A N SF E R "R E TRO A C TIV E L Y",
TH U S D E C E IV IN G TH E RE C IP IE N T;
TR A N SF E R O F C O D E S O F M O N E TA R Y U N ITS A N D O TH E R V IR TU A L
V A L U E S F R O M TH E P A YE R TO TH E RE C IP IE N T D IR E C TL Y, W ITH O U T TH E
P A RTIC IP A TIO N O F IN TE RM E D IA RIE S A N D W ITH O U T P A YIN G A
C O M M ISSIO N
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Blockchain. Disadvantages.
TRA N SA C TIO N S O N TH E B L O C K C H A IN N E TW O RK C A N N O T B E
C A N C E L E D O R RE TU R N E D . TH E Y A RE IRRE V O C A B L E , SO IF
YO U M A K E A M ISTA K E , YO U W IL L H A V E TO A C C E P T IT ;
TH E B L O C K C H A IN SYSTE M H A S L O W P E RF O RM A N C E , SO IT
W IL L N O T B E P O SSIB L E TO U SE IT O N A G L O B A L
SC A L E . IT IS V U L N E R A B L E B E C A U SE IT P RO C E SSE S TO O F E W
TRA N SA C TIO N S P E R SE C O N D , SIG N IF IC A N TL Y L E SS TH A N
SO M E O TH E R N E TW O RK S;
IF O N E U SE R O W N S 51% O F A L L B L O C K S, TH E
V U L N E RA B IL ITY O F TH E N E TW O RK W IL L IN C RE A SE ;
TH E
B L O C K C H A IN H A S N O O F F IC IA L STA TU S IN THE
W O RL D ;
TH E RE
A RE TO O F E W B L O C K C H A IN D E V E L O P E RS TO
SU P P O RT A G L O B A L N E TW O RK ;
TH E IN D U STRY RE Q U IRE S H U G E IN V E STM E N TS, W H IC H A RE
N O W SO RE L Y L A C K IN G .
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Blockchain technology brings objective
benefits and benefits to users, but it is a
complex tool that is at the very beginningof
its life cycle.
The development of blockchain technology
and its accompanying crypto tools willoccur
as states legitimize this technology and
penetrate into society.
REGISTER — A FORM OF
SYSTEMATIZATION, ACCOUNTING; LIST,
LIST, INVENTORY
Leadger
ACTUALLY REPRESENTS A DOUBLE
ACCOUNTING RECORD
Traditional registries
P rivate registries
DIFFERENT
TYPES OF
REGISTRIE
S.
R e s tric te d a c c e s s re g is trie s
Public registers
Distributed regi stries
What is Bitcoin
What are cryptocurrencies and what
they are:
BITCOIN, OR BITCOIN
(FROM THE ENGLISH BITCOIN, FROM BIT-BIT AND COIN-COIN), ISA PEER-TO-PEER
PAYMENT SYSTEM THAT USES THE SAME UNIT FOR ACCOUNTINGTRANSACTIONS.
CRYPTOGRAPHIC METHODS ARE USED TO ENSURE THE FUNCTIONING AND
PROTECTION OF THE SYSTEM
, BUT ALL INFORMATION ABOUT TRANSACTIONS BETWEEN SYSTEM ADDRESSES
ISAVAILABLE IN PLAIN TEXT.
DIFFERENT AUTHORS CLASSIFY BITCOINS DIFFERENTLY. THE MOST COMMON
OPTIONS ARE: CRYPTOCURRENCY, VIRTUAL CURRENCY, DIGITAL CURRENCY,
ELECTRONIC CASH.
CRYPTOCURRENCY IS A DECENTRALIZED VIRTUAL
CURRENCY BASED ON MATHEMATICAL ALGORITHMS
AND PROTECTED
BY CRYPTOGRAPHIC METHODS. THE ISSUE AND
CIRCULATION OF CRYPTOCURRENCIES
IS CARRIED OUT ON THE BASIS OF BLOCKCHAIN
TECHNOLOGY.
TYPES OF CRYPTOCURRENCY:
CURRENCIES COIN
UTILITY TOKENS
PLATFORMS COINS
SECURITY TOKENS
CRYPTOCURRENCY
EXCHANGES
CRYPTO COMMODITIES
STABLE COINS
Why do people buy Cryptocurrencies ?
TOTAL CAPITALIZATION AS OF DECEMBER 31
:
2017: $570BILLION
2018 AND $140BILLION.
2019: $195BILLION
2020: $224 BILLION (CURRENT)
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How to get cryptocurrency ?
Mining
Purchase with fiat currency
Remuneration for working in the
network
How are cryptocurrencies
stored ?
Hot storage is all online wallets that allow you to spend cryptocurrency at any time. The hot storage
method is great for frequent handling of smallamounts.
Cold storage is an offline storage method that involves storing a private key somewhere off the Internet.
This storage method is mainly used for storing largeamounts.
C O N C L U SIO N
WE ARE ALL IN A DYNAMIC DIGITAL SPACE TODAY.
CRYPTOCURRENCIES ARE AN INTEGRAL PART OF THEDIGITAL FINANCIAL
ECOSYSTEM.
THE ELEMENT IS CURRENTLY TECHNOLOGICALLY COMPLEX, HIGH-RISK
AND LEGALLY UNCERTAIN.
THE SPEED OF ENTRY OF CRYPTOCURRENCIES INTO OUR LIVES WILL
DEPEND, FIRST OF ALL, ON THE POSITION OF GOVERNMENTS AND
CENTRAL BANKS.
AND THE BEST STRATEGY OF BEHAVIOR, IN RELATION TO
CRYPTOCURRENCIES, IS TO OBTAIN THE NECESSARY AMOUNT OF
KNOWLEDGE, UNDERSTANDING OF THE PROCESSES TAKINGPLACE,
COMMON SENSE AND DUE DILIGENCE.