Introduction
Electronic money appeared relatively recently, but almost immediately began to play an essential role in the life of every modern person, since it has many advantages. Among the advantages, for example, are the low cost of the issue. Electronic money, like non-cash money, does not lose its qualities over time.
, . , , . , , , , .
?
.
.
, .
.
.
.
1) ?
, , « ». , , № 2009/110/ 16 2009 , , , , .
- , , , .
.
, , ( ) , , , .
, - . - , . . - , , . , .
2) .
: - (card-based) (network-based). .
-. - - , , . - . . , (« ») , . , -, Mondex Visa Cash.
, - . . , . . - , -.
- . , , . . (WebMoney, ., E-gold, E-port, PayCash)
.
, . . . PayPal.
. , . . (WebMoney, QIWI, EasyPay)
( ), ( ).
3) .
.
XIX («») . . .
80- XX . .
1982 , (David Chaum) , .
1989 DigiCash. DigiCash , .
1993 DigiCash , , «». , . , . . , , , , . , , , . ( )
1994 , . - , . , , (, ). .
-, .
4) ,
, , , , , . , , , . , , , , . 1982 , , :
( ), ;
, (, );
, .
(. blind signature), . - .
- , ( ) , . . ( ) . , .
5)
. , . , , , , , . , ( ). , , ( ). , . , . :
( ), ( - , ). , ( ). .
, , , . , ( , ).
, , () .
. . , (, , ), . , , ( ). , .
. , , . .
Spoiler
.
.
, - .
, . .
, , , , .
6)
. . ( , - ).
() ( ).
().
, , , .
.
K , , , .
, , .
7)
RSA
. (p, e) - , p - , , e - . m - , .
r, p ( , 1) :
2. m' .
3. d :
4. s' .
5. :
I gave a general idea of electronic money. I talked about what electronic money is, described their types, a brief history of their origin, and also explained the principle of blind signatures and gave basic cryptographic terms, with the help of which I introduced the reader to how basic transactions with electronic money take place using blind signatures ...