Page 91 - Geektime Blockchain Report
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Permissioned blockchains
A closed and monitored ecosystem where the access of each participant is well defined and differentiated based on rules They are built for purpose establishing rules for transactions that align with the needs of an an organization or or or a a a a consortium of organizations Smart contracts
Contracts whose terms are recorded in
in
a a a a computer language instead of legal language Smart contracts
can be automatically executed by a a a a computing system such as a a a suitable distributed ledger system Fiat currency Any money issued by a government such as dollars euros yen etc E9873D79C6D87DC0FB6A5778633389F4 453213303DA61F20BD67FC233AA33262
Private key
Fork
An event in
in
which a a blockchain diverges into two potential paths forward Some forks resolve on their own but others fueled by disagreements in
a a community may cause a a a a network to permanently split creating two new types of blockchain pathways and two separate currencies A secret string of numbers that allows cryptocurrencies to to be spent Every cryptocurrency wallet contains one or more private keys which are saved in
the wallet file Public key
When someone sends cryptocurrency over a a a blockchain they are sending
them to a known public key
key
This key
key
is is connected to the private key
which is hidden from the public and is only known to to its owner It is practically impossible to to derive the the private key
key
from the the public key
key
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