Sidechains are separate blockchains linked to a main chain (e.g., Polygon for Ethereum) that process transactions independently to enhance scalability and reduce network congestion.

Airdrops send free tokens to wallets to promote projects or reward users.

Token burning permanently removes tokens from circulation to reduce supply, often increasing scarcity and value.

Layer 2 networks reduce congestion and fees by processing transactions off-chain.

Gas fees reward miners/validators for processing transactions and running smart contracts.

A DAO is a blockchain-based organization run by code and community votes, not central leaders. It uses tokens and smart contracts to make collective decisions.

Bitcoin is the first cryptocurrency and blockchain, launched in 2009 by an unknown person or group using the name Satoshi Nakamoto. It allows people to send and receive digital money without needing a bank or middleman.

A blockchain oracle is a service that connects a blockchain with real-world data from outside the network. It helps smart contracts get information like weather, prices, or sports scores so they can work properly.

The private key gives control over crypto assets in wallets.

Web3 uses blockchain to power trustless, decentralized applications.

NFTs tokenize unique items like art or collectibles.

Smart contracts automate actions when conditions are met.

Nodes maintain the network by validating/relaying transactions

Stablecoin is the Crypto with value pegged to a stable asset like the US dollar, to reduce volatility.

Once data is added to a blockchain, it can’t be altered, ensuring trust.