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'''OP_RETURN''' is a [[script]] opcode used to mark a transaction output as invalid. Since any outputs with OP_RETURN are provably unspendable, OP_R ...g data in the blockchain. The OP_RETURN change creates a provably-prunable output, to avoid data storage schemes – some of which were already deployed – that ...

...address, and sends the difference back to this address. This is known as [[change]]. ...itcoins (create a transaction) you must use the entire value of an unspent output (of a prior transaction) and make it the input for a new transaction. Your ...

...ith a value larger than the value of his wallet's largest existing unspent output ..."input script" should be interpreted to mean, "the script of the previous output referenced by an input to a transaction". ...

...the previous transaction reference and other headers and each transaction output requires an additional 9 bytes of headers. Finally every transaction has a ...l include additional inputs to collect change outputs together when no one output is large enough. ...

# The arbitrators specify a 2-of-3 multisignature script to use as an output for the fundraiser with a public key from each arbitrator, which will allow ## They create a 2-of-2 multisignature output from those public keys ...

* [http://blockexplorer.com/q/getdifficulty Current difficulty], as output by Bitcoin's getDifficulty === When does the target change next? === ...

Title: Tapscript Multisig Output Script Descriptors This document specifies <tt>multi_a()</tt> and <tt>sortedmulti_a()</tt> output script descriptors. ...

...(as well as any transaction that paid more than 21 million bitcoins in an output for any reason).<ref>[https://github.com/bitcoin/bitcoin/commit/d4c6b90ca3f ...

...aymentRequest transaction with an OP_RETURN but the value assigned to that output is lost forever. ...allows for zero value OP_RETURN outputs in serialized PaymentRequests. The change means that OP_RETURN scripts will work as they were originally intended fro ...

Re-use by the sender is basically using the same address for the change output. This is generally considered bad you generate a new address for every change, your privacy is conserved as it is impossible to know which ...

Title: Multisig Output Script Descriptors This document specifies <tt>multi()</tt>, and <tt>sortedmulti()</tt> output script descriptors. ...

== Difficulty change == # Each output value, as well as the total, must be in legal money range ...

=== Principle example of a Bitcoin transaction with 1 input and 1 output only === Output: ...

...ndicate the source of funds, whether received externally or as a result of change from a prior transaction. ...r/slip-0015.md SLIP-0015]</ref> defines a format for exporting address and output labels, but requires encryption using a private key associated with the wal ...

m / purpose' / coin_type' / account' / change / address_index script path, the output key should commit to an unspendable script path instead of having no ...

...e outputs with the same value, and so is not obviously visible as an equal-output [[CoinJoin]]. ...nterpreted as a simple [[transaction]] paying to somewhere with leftover [[change]]. Another interpretation is that the 2 BTC input is owned by a merchant an ...

...ecause some outputs may be never prunable, and pay-to-scripthash minimizes output size without harming total size. .../bitcointalk.org/index.php?topic=45468.msg542375#msg542375 Suggested MAJOR change to Bitcoin]</ref>, because such changes would undermine the trust people ha ...

m / purpose' / cosigner_index / change / address_index ===Change=== ...

m / purpose' / coin_type' / account' / change / address_index ...ors, which provide that information (while also specifying a collection of output scripts). ...

* Users can add, remove, any input, output or script. ...y be changed. (is this correct, or will past signatures be destroyed if we change them?) ...