Questions tagged [taproot]
Taproot is an activated Bitcoin softfork designed to improve scripting and multisignature capabilities.
How do you construct witness stack and controlblock in P2TR Script Path outputs?
I have been documenting how to create different types of Tx outputs here, leveraging the Bitcoin Core Test Framework. Particularly for Taproot, I'm working on a scenario of a P2TR Script Path with a ...
How to extract the internal key of a simple P2TR address?
Is it possible to extract the taproot internal key out of a P2TR address?
What is this || notation in BIP 341?
SHA256(SHA256(tag) || SHA256(tag) || x) What is the || notation? Is this the conjunction of the different elements? Bitwise OR? or modulus?
Inconsistent behavior testing Taproot Workshop - Section: 0.2 Elliptic Curve Math
Workshop link: https://github.com/bitcoinops/taproot-workshop/ In the section 0.2.4 Programming Exercise: Distributivity of scalar operations we implement the following code: a_key = ECKey().set(a) ...
Why isn't the taproot deployment buried in Bitcoin Core?
Bitcoin Inquisition recently had a PR about soft fork activation and as part that PR, it buries taproot and references a closed PR to Bitcoin Core to bury taproot. Will the taproot deployment be ...
Validation of segwit v0-v1 tx automatically adds OP_CHECKSIG?
When I create a segwit transaction v0 (P2WPKH) or v1 (P2TR key-path spend) I do like that (let's spend a P2TR output): Locking Script (of the P2TR output I'm spending): OP_1 PK_size PK Witness: 1 (...
How can I create a multi sign for a large number of users
I want to create a DAO-like wallet where each member would have to sign for any given tx. Tx should go through if 51% of the users signed. Is this possible?
Is tweak used when spending from script path for Taproot?
I understand that a taproot output can be either spent using key path or script path. With key path, a tweak is applied to the private key and then sign the sighash. The signature is provided as a ...
What Policy does the Liana wallet use? Why would I use this Policy?
I was looking at Wizardsardine's Liana wallet repo (beta software). What is the Policy and associated Miniscript that is used by this wallet? Why would I use this Policy? What is fixed and what is ...
A good wallet for Taproot multisig?
Sparrow only has Taproot single sig, and it is based on Xpub, which is a hodgepodge duct tape method combining pre-taproot and taproot. Electrum zero Taproot. When asked "wen Taproot" ...
Why weren’t Inscriptions possible before taproot by just using OP_RETURN to store the data?
With the recent rise of Inscriptions using the script in the taproot input, why wasn't this possible previously just using OP_RETURN? What is special about the taproot upgrade that made this feasible ...
Why is it a bug that a Taproot tree allows a Tapleaf to be repeated on multiple levels of the tree?
On the bitcoin-dev mailing list Russell O'Connor stated: There is a bug in Taproot that allows the same Tapleaf to be repeated multiple times in the same Taproot, potentially at different Taplevels ...
Can any Script opcode be used in the witness program, or only specific ones?
I was wondering, can one use an OP_RETURN in the witness script? If not, why not? Also, how could I figure this out from reading Bitcoin Core source? I looked at this file, and it wasn't quite clear ...
Why CHECKMULTISIG bug can't be solved?
I was reading Mastering Bitcoin and I read about a bug in CHECKMULTISIG. If the starting ideas of this command should work like this <Signature B><Signature C> M <Public key A><...
What is the maximum number of taproot transactions that can be mined in a single block?
If all transactions in a block were spending one p2tr output using the key-path spend and sending to a p2tr output, how many of these transactions could we fit in a single block?