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A smart contract is self-executing code stored on a blockchain that automatically performs actions when certain conditions are met.
Smart contracts are the foundation of decentralized finance, NFTs, token creation, staking systems, and many blockchain applications. They remove the need for some middlemen by replacing manual processes with transparent, programmable rules. For users, this means faster execution and greater openness. For traders and investors, it also means code risk matters.
Many beginners assume smart contracts are always safe because they are automated. In reality, poorly written or unaudited contracts can contain bugs or exploits. Another mistake is signing wallet approvals without reading what the contract can do.
A developer writes code that defines rules, such as how tokens are swapped, how rewards are distributed, or how a loan is managed. Once deployed on a blockchain, the contract can run automatically when users interact with it. Because it is on-chain, anyone can inspect the rules if the code is public.
Short for “Decentralized Finance,” it refers to financial applications built on blockchain networks that operate without traditional intermediaries.
A crypto wallet is a tool that stores the keys needed to access, manage, and transfer cryptocurrency. It can be software-based, hardware-based, mobile, desktop, browser-based, or even paper-based in older setups.
A token is a digital asset built on top of an existing blockchain rather than having its own independent blockchain.
A blockchain is a decentralized digital ledger that records transactions in blocks, links those blocks together, and makes the record difficult to alter.
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