15 Blockchain Terms You Need to Know | Mobee Academy
DeFi September 28, 2026 Beginner

15 Blockchain Terms You Need to Know

Author Nabilla Amanda
Read time 3 min
15 Blockchain Terms You Need to Know

Key Takeaways:

  • It is crucial to familiarize yourself with the key terms associated with this groundbreaking technology. 
  • By comprehending the fundamental concepts, you will be better prepared to navigate the ever-evolving blockchain landscape.

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Whether you're a newcomer or a seasoned enthusiast, familiarizing yourself with key blockchain terms empowers you to navigate this dynamic landscape. Understanding its fundamental concepts is crucial as blockchain technology reshapes industries and redefines digital interactions. In this article, we'll unravel 15 essential blockchain terms for grasping decentralized technology's intricacies.

1. 51% Attack

A 51% attack is a scenario where a single entity or group gains control of over 50% of a blockchain network's computational power, enabling them to manipulate transactions, double-spend coins, and compromise the network's integrity.

2. Address

An address in the blockchain realm is a unique identifier used to send and receive cryptocurrency transactions. Like an email address, it ensures accurate delivery and is crucial for secure transfers.

3. Bridge

A bridge connects two blockchain networks, allowing assets and data to flow seamlessly. It enhances interoperability and expands the utility of decentralized ecosystems.

4. ERC-20

ERC-20 is a widely adopted standard for creating and implementing tokens on the Ethereum blockchain. It defines a set of rules and functions that ensure compatibility between various tokens and platforms.

5. Fork

A fork occurs when a blockchain's protocol is altered, leading to two distinct versions of the blockchain. Hard forks create a permanent split, while soft forks introduce backward compatibility.

6. Gas Fee

The gas fee is the amount of cryptocurrency paid to process transactions and execute operations on a blockchain network. It prevents network congestion and incentivizes miners to prioritize transactions.

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Shubham Dhage/Unsplash

7. Halving

Halving is an event that occurs in some blockchain protocols, such as Bitcoin, where the block reward for miners is reduced by half. It helps control the inflation rate and affects the cryptocurrency's scarcity.

8. Layer-2

Layer-2 solutions are off-chain protocols that enhance the scalability and efficiency of blockchain networks. They handle transactions off the main chain, reducing congestion and lowering fees.

9. Mining

Mining involves using computational power to solve complex mathematical puzzles, validate transactions, and add them to the blockchain. Miners are rewarded with cryptocurrency for their efforts.

10. Proof-of-Work

Proof-of-Work (PoW) is a consensus mechanism that validates transactions and creates new blocks through computational puzzles. It requires significant energy consumption but ensures network security.

11. Proof-of-Stake

Proof-of-Stake (PoS) is an alternative consensus mechanism where validators are chosen based on the number of cryptocurrency tokens they hold and "stake" as collateral. It is energy-efficient compared to PoW.

12. Smart Contract

A smart contract is a self-executing contract with predefined rules and conditions. It automatically executes actions when specific criteria are met, enhancing trust and transaction efficiency.

13. Tokenomics

Tokenomics refers to the economic model of a cryptocurrency or token. It encompasses supply, demand, distribution, and utility, influencing its value and behavior in the market.

14. Total Value Locked (TVL)

Total Value Locked (TVL) represents the sum of cryptocurrency assets locked in decentralized finance (DeFi) protocols and smart contracts. It reflects the popularity and adoption of DeFi platforms.

15. Rug Pull

A rug pull refers to a deceptive practice in the crypto space where developers or participants suddenly abandon a project, causing the value of a token to plummet and lead to significant losses for investors.

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Mastering these 15 blockchain terms opens doors to a deeper understanding of decentralized technology and its implications. As the blockchain landscape evolves, being well-versed in these concepts equips you to engage in informed discussions, make educated decisions, and explore the limitless possibilities of this transformative technology.

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