The DNS (an acronym for Domain Name System) is a server structure that allows a domain name to be associated with its IP address and other key information every time an Internet search is conducted.    

The DNS takes care of translating IP addresses, which are numerous and difficult for a human being to memorise, into a meaningful sequence of characters: the domain name.
The DNS, in a nutshell, is a kind of ‘phone book’ for Internet searches: it retrieves the ‘number’ (IP) of a website from its ‘name’ (domain). 

In short, when a user (or client), surfing the Internet, types a domain name in the browser‘s search bar, the latter contacts DNS servers to obtain the associated IP address. They are organised in a hierarchical manner, so as to retrieve the requested information in a precise and scalable manner. 

First, the search query is forwarded to a root nameserver which, precisely, analyses the root of a domain name, i.e. the ‘first level’ of the DNS structure.
In fact, the request is then forwarded to the TLD nameservers, which are in charge of storing the TLD information. 
At this point, the search is taken over by the authoritative nameservers, which store information on the other levels of the domain, subordinate to the first, in order to return the corresponding IP address to the client. 

Surfing the net can be risky, but users can protect themselves by using private DNS: unlike traditional public servers, these establish an encrypted connection with the client
Thanks to Cryptography, it is indeed possible to reduce the risk of being intercepted and consequently diverted to a false IP address, associated with spam or phishing practices. 

In recent years, experimentation with DNS systems based on blockchain technologies has also taken off. DNS, in this case, are represented by a suite of smart contracts that regulate and manage the operation of domains; as there are no centralised intermediaries, the information is accessible to all and is immune to censorship.

Correlated words


'Hard' monetary policies aimed at raising interest rates to combat inflation.


Monetary policy characterised by low interest rates and higher levels of employment aimed at fostering economic growth.


Organisations that manage all information relating to top-level domains.


Stringa di caratteri associata in String of characters uniquely associated with a resource on the World Wide Web. univoca ad una risorsa sul World Wide Web.

IP address

Numeric strings that uniquely identify every resource to the network

Web 3.0

A term often associated with the idea of the 'Semantic Web' and data interoperability, it represents the next phase of the Internet.


Organisation that manages domain names on the Internet and assigns IP addresses.


Organisation that deals with the sale and registration of domain names.


The domain extension placed at the end of a URL address,located at the highest point in the DNS hierarchy.

Financial Market

The financial market is a regulated space where financial securities can be bought and sold.


Cashback involves a partial reimbursement of funds spent in a transaction.


Third historical phase of the web, during which the economic and technological system of the internet changes thanks to the tools offered by blockchain.


The longest-lived cryptocurrency on the market and the first application of blockchain.

Wallet address

The string of characters that identifies a cryptocurrency wallet.


Cryptocurrencies pegged to the price of a stable asset such as a fiat currency or precious metal.


Managing one's wallet by knowing its private key

White Paper

Technical and informative document used by cryptocurrency projects to present their technological proposal.


Software that allows you to send, receive and store your cryptocurrencies.

Virtual Currency

Term used in legislation to define cryptocurrencies.

Fiat Currency

Legal tender, i.e. the official currency adopted by a government.


Digital unit of value based on a third-party protocol.

Satoshi Nakamoto

The pseudonym of the creator or group of Bitcoin developers. Their true identity is unknown and they no longer have an online presence.


Open-source software is public and available for anyone to reuse.


Identity verification procedure required by European regulations for exchanges.

Hard Fork

A division of the blockchain due to the incompatibility of the new version of the protocol with the previous one.

Hot Wallet

A cryptocurrency wallet connected to the internet.


The halving of the reward given to miners for producing Bitcoin blockchain blocks.


A sector that combines finance and technology, where companies develop technologically innovative financial services.


The branch of computer science that studies secure communication methods.


Virtual currency based on cryptography and blockchain.


A cryptocurrency that is natively based on its blockchain

Public Key

Cryptographic code that identifies a wallet on the blockchain.

Private Key

Cryptographic code that gives access to a wallet.


Tools that simplify the development of apps and web services.


Cryptocurrencies that followed Bitcoin as alternative solutions.


Anti-money laundering regulations prevent illegal activities on centralised exchanges.


The procedure applied to solve a problem.


Services facilitating the purchase and sale of digital assets based on daily market prices.

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