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Added missing word.
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@ -359,7 +359,7 @@ The original meaning of +nSequence+ was never properly implemented and the value
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===== nSequence as a consensus-enforced relative timelock
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Since the activation of BIP-68, new consensus rules apply for any transaction containing an input whose +nSequence+ value is less than 2^31^ (bit 1<<31 is not set). Programmatically, that means that if the most significant (bit 1<<31) is not set, it is a flag that means "relative locktime." Otherwise (bit 1<<31 set), the +nSequence+ value is reserved for other uses such as enabling +CHECKLOCKTIMEVERIFY+, +nLocktime+, Opt-In-Replace-By-Fee, and other future developments.
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Since the activation of BIP-68, new consensus rules apply for any transaction containing an input whose +nSequence+ value is less than 2^31^ (bit 1<<31 is not set). Programmatically, that means that if the most significant bit (bit 1<<31) is not set, it is a flag that means "relative locktime." Otherwise (bit 1<<31 set), the +nSequence+ value is reserved for other uses such as enabling +CHECKLOCKTIMEVERIFY+, +nLocktime+, Opt-In-Replace-By-Fee, and other future developments.
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Transaction inputs with +nSequence+ values less than 2^31^ are interpreted as having a relative timelock. Such a transaction is only valid once the input has aged by the relative timelock amount. For example, a transaction with one input with an +nSequence+ relative timelock of 30 blocks is only valid when at least 30 blocks have elapsed from the time the UTXO referenced in the input was mined. Since +nSequence+ is a per-input field, a transaction may contain any number of timelocked inputs, all of which must have sufficiently aged for the transaction to be valid. A transaction can include both timelocked inputs (+nSequence+ < 2^31^) and inputs without a relative timelock (+nSequence+ >= 2^31^).
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