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Surface Web
• The surface Web is that portion of the World Wide Web.
• That is indexed by conventional search engines.
• It is also known as the Clearnet, the Visible Web or Indexable Web.
Introduction
• Modern Internet: Most effective source of information.
• Most popular search engine: Google
• In 2008, Google added Trillionth (1012) web link to their index database!
• Stores several billion documents!
• Many times we are not satisfied with the search results.
• 43 % users reports it.
Real Life Example
How search engines work
Spiders or web crawlers
Indexed database
• Search engines construct a database of the Web by using programs called
spiders or Web crawlers
• The spiders will collects informations, keywords, data, URLs from the web
and store it on to the search engine’s indexed database.
Motivation: Why Deep Web
• Then why Google fails?
• Most of the Web's information is buried far down on dynamically generated sites.
• Traditional web crawler cannot reach there.
• Large portion of data are literally ‘un-explored’
• Need for more specific information stored in databases
• Can only be obtained if we have access to the database containing the information.
DEEP WEBDEEP WEB
Deep Web - Introduction
• The Deep Web is World Wide Web content that is not part of the
Surface Web, which is indexed by standard search engines.
• It is also called the Deepweb, Invisible Web or Hidden Web.
• Largest growing category of new information on the Internet.
• 400-550 * more public information than the Surface Web.
• Total quality 1000-2000 * greater than the quality of the Surface
Web.
Evolution of Deep Web
• Early Days: static html pages, crawlers can easily reach
• In mid-90’s: Introduction of dynamic pages, that are
generated as a result of a query.
• In 1994: The term “Invisible Web” used to refer to these
websites.
• In 2001, it is known as “Deep Web”
Size the Deep Web
• Size of surface web is around 19 TB
• Size of Deep Web is around 7500 TB
• Deep Web is nearly 400 times larger
than the Surface Web
How it Works..How it Works..
IN TOR…IN TOR…
1.Entry Node
2.Middle Node
3. Exit Node
• Each node has a unique session key.
• 1st , 2nd and 3rd node have its own IP Address.
• 2nd node knows only the 1st node’s IP Address
• 3rd node knows only the 2st node’s IP Address
• 3rd node provide security by encrypting the data
• 3rs node has no idea about the traffic originated from.
Advantages
• Providing anonymity
• Provide privacy
Disadvantage
• Not secure
• Illegal
• Not Support Flash
• Little slow
Limitations
• It is a search engine.
• Google of the deep web.
• They are underground in nature.
• It helps to find dark net websites.
• Its products
Helix
G Search
Tor Ads
Flow
Helix• Helix is the definitive dark net bitcoin custodian.
G Search
Tor Ads
Flow
• Search the dark net by keyword, product, region.
• advertising network for both advertisers and publishers.
• It will help you to easily hidden sites without having to remember the long and random onion address.
BitCoins Bitcoins are electronic currency (cryptocurrency).
String of code - ‘blockchain’
Making Bitcoins- Mining.
Bitcoin accounts cannot be frozen or examined by tax men.
Bitcoins are traded from one personal 'wallet' to another.
A wallet is a small personal database that you store on your computer drive, on your smartphone, on your tablet, or somewhere in the cloud.
One bitcoin is currently worth around $450 US dollars ( Rs . 30834.70).
MINING CENTER
CONCLUSIONThe Deep Web is the largest part of the internet, yet the majority
of the population does not even know about it, or even access it. It
can be used for good and for bad, legal and illegal activity. it is
important to understand that it is not all bad. There is plenty good
about the Deep Web, which includes the right of privacy when
surfing the Internet. The understanding of the Deep Web and its
capabilities is vital to the future of the Internet, and hopefully this
paper helps accomplish that goal.
REFERENCES
1) www.youtube.com
2) www.digitaltrends.com
3) www.deepweb-sites.com
4) www.quora.com
5) thehiddenwiki.org
6) grams7enufi7jmdl.onion.cab
