--- # This file is licensed under the MIT License (MIT) available on # http://opensource.org/licenses/MIT. required: #-------------40 characters-------------# title_max_40_characters_no_formatting: Transaction Malleability, Mutability summary_max_255_characters_no_formatting: > The ability of someone to change (mutate) unconfirmed transactions without making them invalid, which changes the transaction's txid, making child transactions invalid. synonyms_shown_in_glossary_capitalize_first_letter: - Transaction malleability - Transaction mutability optional: synonyms_and_pluralizations_not_shown_in_glossary: - malleability - mutability - mutate not_to_be_confused_with_capitalize_first_letter: - BIP62 (a proposal for an optional new transaction version that reduces the set of known mutations for common transactions) links_html_or_markdown_style_capitalize_first_letter: - "[Transaction malleability](/en/developer-guide#transaction-malleability) --- Developer Guide" - "[Transaction malleability](https://en.bitcoin.it/wiki/Transaction_Malleability) --- Bitcoin Wiki" - "[BIP62: dealing with malleability](https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki) --- Bitcoin Improvement Proposals" ---