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1. Cryptography (or cryptology)



The act of creating or solving codes. Cryptography is used to keep cryptocurrency secure.


2. Fiat currencies


One of the most used cryptocurrency terms, blockchain is the underlying technology of cryptocurrency that keeps the system secure.


3. Blockchain


One of the most used cryptocurrency terms, blockchain is the underlying technology of cryptocurrency that keeps the system secure.


4. Block


Blocks make up a blockchain. Within each block are a series of transactions.


5. Decentralised


In cryptocurrency, decentralised means that there is no central point of the network. Instead, it is spread over a series of users (nodes).


6. Centralised


The opposite of decentralised, centralised means that there is a central point.


This is often disliked in cryptocurrency as it may mean that the central point holds a lot of power and can also mean it is more vulnerable to attack.


7. Hard fork




Essentially a hard fork is a radical update to the blockchain that can make previously unvalidated blocks valid or the reverse.


A hard fork can result in a new cryptocurrency being created.


One well-known example would be Bitcoin and Bitcoin Cash.


8. Soft fork


A backwards-compatible change in the blockchain protocol.


They are less extreme than hard forks.









9. Proof of Work (PoW)


One of the most common algorithms in cryptocurrency. It requires miners to mine blocks to validate transactions.


10. Proof of Stake (PoS)


Another highly common algorithm that requires users to stake some of their cryptocurrency to validate transactions.


Some believe that this algorithm is much more efficient than Proof of Work.


11. Delegated proof of stake (DPoS)


A variation of Proof of Stake that uses super-nodes or master-nodes to validate transactions.


12. Smart contracts


Smart contracts are essentially digitalised contracts that are executed on the blockchain between different parties.


13. dApps


Stands for ‘decentralised application’, these are applications that are not centralised and work on top of the blockchain.


14. Mining




The process of validating a block in return for the block reward.


15. Mining rig


A mining rig is a structure that houses cryptocurrency mining equipment.


16. Wallet


One of the most common cryptocurrency terms, a virtual wallet where people store their cryptocurrency to keep it safe.


17. Address


An identifier typically made up of alphanumeric characters that signify where cryptocurrency will be sent.


18. Public keys


This is the key that you share with people so you can receive cryptocurrency.


19. Private keys


This is what you use to access your wallet where you store your cryptocurrency.


Only you should have access to your private keys. If someone else gets hold of them, they can steal your cryptocurrency.


20. Cold storage


This is when people store their private keys offline away from the Internet, so they won’t get stolen.


21. Paper wallet



A form of cold storage, a paper wallet is your public and private keys printed out usually on to paper.









22. Hardware wallet


A wallet that usually takes the form of a small physical device. Hardware wallets are perhaps the safest way to store your cryptocurrency.


23. Distributed ledger


This is where all transactions are published and can be viewed by anyone. This makes using cryptocurrency to perform malicious transactions harder.


24. Immutable


This is a word that is often used to describe the distributed ledger. It means that it cannot be changed. Once information or a transaction is added, you cannot remove it.


25. Fungible (or fungibility)


This refers to if something can be interchanged with another. In cryptocurrency, if a coin is fungible it should have the same value everywhere.


26. Altcoin


This cryptocurrency term is short for ‘alternative coin’, this is any cryptocurrency that is not Bitcoin.


27. White paper


A white paper is a document that outlines what a cryptocurrency is created to do and how it will achieve it. The first white paper was released by Satoshi Nakamoto for Bitcoin. Since then, almost every cryptocurrency has released one.


28. ICO




Stands for ‘Initial Coin Offering’, which is where a new cryptocurrency will give away some coins at a discounted rate in return for another cryptocurrency, such as Bitcoin.


This is usually done to finance the project.









29. IEO


Stands for ‘Initial Exchange Offering’ is a fundraising event for a cryptocurrency exchange, where users purchase coins that can be used on an exchange.


30. Token


A token is the underlying digital asset of the cryptocurrency that can be used to make transactions or pay for other functions. Tokens can also be called ‘coins’.


31. Satoshi


A Satoshi is the smallest denomination of Bitcoin and is equivalent to 100th billionth off one Bitcoin. It was named after Bitcoin’s creator, Satoshi Nakamoto.


32. Exchange


An exchange is where people can go to buy, sell or trade cryptocurrency.


33. Hash


The function of decrypting information. In cryptocurrency, miners must decrypt hashes to mine blocks.


The more hashing power you have, the more blocks you can mine and the more block rewards you can receive.


34. Transactions per second


Often abbreviated to ‘tps’, this cryptocurrency term means how many transactions a cryptocurrency can handle per second.



35. Market capitalisation


A common cryptocurrency term that means how much a cryptocurrency is worth in total.








36. Double-spends


Quite simply, this is when someone can spend their cryptocurrency twice. In most cases, this is impossible unless someone performs a 51% attack.


37. 51% attack


A theoretical attack where if an entity gains 51% of the hashing power, they can perform double-spends and other malicious activities.


Ultimately, such an attack would likely cause the end of a cryptocurrency.


38. DDoS attack


DDoS stands for ‘distributed denial of service’. Such attacks attempt to render a site to a halt by overloading it with traffic. Cryptocurrency exchanges are at risk from such attacks.





39. Consensus


In cryptocurrency, a consensus is where there is an agreement on the blockchain as to what has taken place, for example, transactions.


If there is no consensus, this can be bad and can mean an attack has taken place or the blockchain is vulnerable to attack.



40. Stablecoin


A cryptocurrency that is supposedly tied to the value of something else, such as the US dollar, to make it more stable and less volatile in price swings.


41. Privacy coin


A cryptocurrency where transactions can be made private. Some of the most well-known privacy coins include Monero, Dash and Zcash.


42. Utility coin


A cryptocurrency that’s can be used for other purposes aside from transactions.


For example, Binance Coin can be used on the Binance exchange to get a discount when purchasing other coins.


43. Block reward



The number of tokens a miner receives for mining a block. The reward can be increased to raise the likeliness of miners validating the transactions faster.











44. Pump and dump


This is a scam where people - usually the creators who own a large share - encourage others to buy their cryptocurrency to artificially pump the price.


Once the price reaches a high point they are happy with, the scammers sell off all that they own and the price plummets.



45. Bag-holder


This cryptocurrency term is for someone left with a cryptocurrency after a pump and dump.


46. DAG


Stands for ‘Directed Acyclic Graph’, some cryptocurrencies use this algorithm instead of blockchain technology, such as IOTA.








47. Byzantine Fault Tolerance


In short, Byzantine Fault Tolerance is where a blockchain can keep functioning if some of its participants (nodes) fail or are attacked.


48. Node



A computer that works on the blockchain network and helps it stay decentralised.


49. Supernode


Usually, super-nodes work on DPoS blockchains and are responsible for validating transactions. They may also be called ‘master-nodes’.


50. Validator


Another word for someone who may validate transactions.


51. Solidity


A coding language invented by Ethereum for coding smart contracts. It is quite similar to JavaScript and is also used by TRON.


52. Gas



A fee for validating a transaction. This cryptocurrency term is mostly used for Ethereum.


53. On-chain governance


This deals with how the blockchain handles changes. Typically, people can vote new changes into the blockchain to update it to overcome issues.


54. DAO


Stands for ‘Decentralised Autonomous Organisation’, this is an organisation, usually made up of developers and shareholders who vote on how the blockchain should develop.





55. Rekt


Slang for ‘wrecked’. It implies that the user lost a lot of money on cryptocurrency.


56. Moon



If a cryptocurrency is ‘going to the moon’, it means that people believe it will rise exponentially in price.



57. HODL


A drunken misspelling off the word ‘hold’. Now people use it when they say they are going to wait and hold a cryptocurrency.


58. Whale (or crypto whale)


A whale is an entity that can move large amounts of cryptocurrency in one go. When they do this, it can have a big impact on the market.


59. Goxxed



When someone leaves their cryptocurrency in an exchange and they get hacked and lose it all.


60. Peer to peer



A connection between two or more computers. In the case of cryptocurrency, this would be nodes.


What makes peer to peer so unique to cryptocurrency and blockchain is that there is no middleman between transactions.

Mr Diwakar

Mr Diwakar

Crypto Trader and Blogger