
Back
Txid
What is Txid?
Txid, short for Transaction ID, is a unique identifier assigned to every cryptocurrency transaction. It serves as a digital receipt and allows users to track and verify their transactions on the blockchain.
Key Characteristics
Uniqueness: Each transaction has a distinct Txid.
Immutability: Once assigned, a Txid cannot be changed.
Traceability: Allows for easy tracking of transactions on the blockchain.
Cryptographic Hash: Typically represented as a long string of alphanumeric characters.
Network-Specific: The format may vary slightly between different blockchain networks.
Functions of Txid
Transaction Verification: Confirms that a transaction has been broadcast to the network.
Blockchain Navigation: Helps in locating specific transactions within block explorers.
Payment Proof: Serves as evidence that a payment was initiated.
Double-Spend Prevention: Helps in identifying and preventing double-spending attempts.
Transaction Referencing: Used in certain types of transactions that reference previous ones.
How Txid is Generated
Transaction Data: Includes sender's address, recipient's address, amount, and other details.
Hashing Algorithm: Typically uses SHA-256 or similar cryptographic hash function.
Timestamp: Often incorporates the time the transaction was created.
Nonce: May include a random or semi-random number to ensure uniqueness.
Network-Specific Elements: Can include network-specific data in the hash calculation.
Using Txid in Practice
Block Explorers: Enter the Txid to view transaction details.
Wallet Interfaces: Often display Txid for sent and received transactions.
Exchange Withdrawals: Provided as confirmation of withdrawal requests.
Customer Support: Used for transaction-related inquiries or issues.
Smart Contracts: Can be used in certain smart contract operations.
Similar Terms
Hash: A function that converts an input of letters and numbers into an encrypted output of a fixed length.
Transaction Volume: The total amount of cryptocurrency that is being exchanged in a given time period.
Blockchain: A distributed ledger technology that records all transactions in a secure and transparent manner.