Transaction Malleability, Mutability
This definition comes from the technical glossary.
Definition
The ability of someone to change (mutate) unconfirmed transactions without making them invalid, which changes the transaction’s txid, making child transactions invalid.
Synonyms
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Transaction malleability
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Transaction mutability
Not To Be Confused With
- BIP62 (a proposal for an optional new transaction version that reduces the set of known mutations for common transactions)
Links
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Transaction malleability — Developer Guide
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Transaction malleability — Bitcoin Wiki
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BIP62: dealing with malleability — Bitcoin Improvement Proposals