Questions tagged [bip118-sighash-anyprevout]
The bip118-sighash-anyprevout tag has no usage guidance.
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How could 6 billion people be onboarded to Bitcoin and Lightning today?
How could 6 billion people be onboarded to Bitcoin and Lightning today?
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Qualitative anatonomy of a transaction that uses ANYPREVOUT
I am entered the world of bitcoin recently and currently I am studying the broad area of covenants (that are gaining more attention from the community, see 1). In this context, certainly the BIP-0118 ...
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Public keys for BIP-118 SIGHASH_ANYPREVOUT
I am reading specifications of BIP-118 that introduces the new signing mode SIGHASH_ANYPREVOUT.
In the bip specifications, it is written that the addresses have length 33-bytes or 1-bytes length. In ...
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How do ANYPREVOUT and CTV compare when considering how useful they are for vault designs?
What is the latest state of vault research on how useful SIGHASH_ANYPREVOUT and OP_CTV are with regards to existing vault designs? Are new alternatives e.g. TapleafUpdateVerify (TLUV) currently ...
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How do eltoo channel constructions using ANYPREVOUT compare to those using CTV and CSFS?
SIGHASH_ANYPREVOUT has been designed as I understand primarily for the eltoo channel construction use case although it has many other potential use cases too.
BIP 119 states:
Were both ...
- 14.7k
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What is SIGHASH_ANYPREVOUTANYSCRIPT?
BIP 118 describes SIGHASH_ANYPREVOUT, but also mentions SIGHASH_ANYPREVOUTANYSCRIPT. What is the difference, and why is the later sighash flag needed?
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Does the future SIGHASH_ANYPREVOUT capability hurt the privacy of Taproot lightning channels?
One of the advantages I've heard about Taproot is that all transactions will appear identical to a blockchain observer. This would of course also be true for lightning channel open/close transactions ...
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BIP118 (SIGHASH_NOINPUT) vs. ANYPREVOUT
I understand the motivation for SIGHASH_NOINPUT - it would help with offchain payment channels. It was proposed already in the Lightning paper but Eltoo will effectively work just with something like ...
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How to emulate SIGHASH_NOINPUT using CHECKSIGFROMSTACKVERIFY?
I read on bitcoin-dev that CHECKSIGFROMSTACKVERIFY (CHECKDATASIG in BCash) can be used to emulate new sighash flags. How would that work, concretely? As an example, please provide an example update ...
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Do we still need SIGHASH_NOINPUT for Lightning Network?
In the original Lightning whitepaper, Joseph Poon advocates using SIGHASH_NOINPUT so that we can create the first commitment transaction which references the funding transaction txid without actually ...
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