A transaction is the transfer of value or data from one party to another within a blockchain network. It represents the fundamental action that records movement of assets, such as cryptocurrency, between wallets.
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A transaction is a recorded transfer of assets or data on a blockchain.
In blockchain systems, a transaction is created when a user sends cryptocurrency or interacts with a smart contract. The transaction includes details such as the sender, receiver, amount, and a digital signature that proves it is authorized. Once submitted, the transaction is verified by the network and added to a block, making it part of the permanent ledger. Transactions are transparent and can be viewed publicly, but they are also secured through cryptography. However, they may involve fees and can take time to confirm depending on network congestion.
Short example:
Suppose you send 0.5 Ethereum to a friend.
The transaction is broadcast to the network and verified by nodes.
Once confirmed, it is permanently recorded on the blockchain and cannot be changed.
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