Questions tagged [taproot]

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4
votes
3answers
390 views

What are some interesting applications of Taproot “smart contracts”?

From a strictly technical perspective, MAST makes a lot of sense. However, understanding it in the context of Taproot/Tapscript does require prior knowledge in Merkle Trees and hash functions. What ...
3
votes
1answer
249 views

I would like to dig into the open Taproot PR to understand it, test it and possibly even review it. Any advice or recommendations?

I would like to dig into the open Taproot PR (PR #19953) to understand it, test it and possibly even review it. Any advice or recommendations?
3
votes
1answer
166 views

What are the risks of a lower-than-95% activation threshold for soft forks (particularly SegWit)?

95% seems exceptionally conservative, especially given the evidence of vetoing by a subset of Bitcoin miners. What risks does, say, 60% over a longer activation period hold vs 95% for SegWit?
7
votes
1answer
226 views

What are the different upgradeability features in the BIP-Taproot (BIP 341) proposal?

What are the different upgradability features in the BIP-Taproot (BIP 341) proposal? Why are there so many upgradability paths? Is there something an annex can do that a leaf version can't? This ...
4
votes
1answer
214 views

What are the sizes of single-sig and 2-of-3 multisig taproot inputs?

There was a Twitter discussion about the sizes of inputs and Taproot came up. What are the input sizes for Taproot inputs? Please cover both the key path spend (single-sig or default spend) and 2-of-...
2
votes
1answer
101 views

Can we experiment on Signet with multiple proposed soft forks whilst maintaining the ability of full nodes to validate the Signet chain?

One of the goals of Signet is to test proposed soft forks before they are activated on mainnet. Not only does this mean proposed soft forks such as Taproot that at the time of writing (August 2020) ...
1
vote
1answer
109 views

I'm digging further into the open Taproot PR. Can you explain the bip340_test_vectors?

I'm digging further into the open Taproot PR. I found these bip340_test_vectors. They have secret keys, public keys, aux_rand (auxiliary randomness), message, signature and whether the signature ...
0
votes
1answer
126 views

Who would benefit from Taproot deployment?

In the discussion of activation parameters for Taproot, a Bitcoin Core contributor stated that "Taproot would only benefit 5% of the users" citing that it would especially benefit complex ...
0
votes
1answer
121 views

What is the benefit of forced signaling in a soft fork activation mechanism?

What is the benefit of forced signaling in a soft fork activation mechanism? e.g. the MUST_SIGNAL phase in revised BIP 8. I understand the benefits of setting lockinontimeout (LOT) to true (some of ...
0
votes
1answer
48 views

How do I debug Taproot functional tests using pdb?

I am looking at the some of the Taproot functional tests such as feature_taproot.py to review the open Taproot PR. I would like to use pdb to debug these tests. Can you provide some guidance on how to ...
0
votes
1answer
233 views

I want to create a P2TR (pay-to-taproot) address but I just need a key path spend, not a script path spend. How do I create the P2TR address?

I want to create a P2TR (pay-to-taproot) address but I just want access to the key path spend, I have no use for the script path spend in this specific example. Do I hash an arbitrary string to use as ...