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Glossary - 10 terms to know about blockchains


A blockchain address is a virtual location that helps identify where a cryptocurrency needs to be transferred to.


A block is a record of the transactions that occur on a blockchain. It is a file that stores the data and information related to the network. 

Block height

This is the number of blocks that are connected together in a blockchain.


A blockchain is a digital ledger made of blocks, which are records of the transactions that occur on the blockchain. It is decentralized, distributed, and generally public.

Block reward

Each time a block is added to the blockchain, the miner gets rewarded, often in cryptocurrency. This is known as the block reward.


Decentralization refers to the phenomenon wherein the control and decision-making regarding a blockchain is transferred from a centralized entity to a distributed network.


Immutability is the property of a blockchain to remain unchanged and unaltered. This makes falsification of information practically impossible on a blockchain.

Non Fungible Tokens (NFTs)

NFTs are unique assets created using cryptography. They represent real-world assets like artwork, videos, music and other things. They are also created using blockchain technology, just like cryptocurrencies.

Private key

A private key is a set of letters and numbers that you can use to spend cryptocurrency from a particular crypto address.

Public key

A public key is a set of letters and numbers that is derived from a private key. You can make use of your public key to receive cryptocurrencies from another address. 

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