Is there a specific format or length for a Bitcoin transaction ID?

3 answers

• Feb 19, 2022 · 3 years ago
  Sure! A Bitcoin transaction ID, also known as a TXID, is a unique identifier that represents a specific transaction on the Bitcoin blockchain. It is a 64-character hexadecimal string, which means it consists of numbers 0-9 and letters A-F. The length of a TXID is always 64 characters. This format ensures that each transaction has a unique ID and can be easily identified on the blockchain.
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• Feb 19, 2022 · 3 years ago
  The format and length of a Bitcoin transaction ID are standardized to ensure consistency and uniqueness. The TXID is generated using a cryptographic hash function called SHA-256, which takes the transaction data as input and produces a fixed-length output of 64 characters. This hash function ensures that even a small change in the transaction data will result in a completely different TXID. So, you can think of the TXID as a digital fingerprint of the transaction.
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• Feb 19, 2022 · 3 years ago
  According to BYDFi, a leading cryptocurrency exchange, the format of a Bitcoin transaction ID is a 64-character hexadecimal string. This format is essential for maintaining the integrity and security of the Bitcoin blockchain. Each transaction is assigned a unique TXID, which serves as a reference for verifying and tracking the transaction. The length of the TXID is fixed at 64 characters, ensuring that it can be easily stored and processed by the blockchain network.
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