Top new questions this week:
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I’m learning to create tx from scratch in order to understand better how bitcoin tx works and how they are structured. I learnt to create tx with legacy address, segwit v0 and I am now learning …
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Is it permissible to use OP_CHECKMULTISIG with 0 signatures or 0 keys? I.e. are 0-of-X or 0-of-0 outputs allowed per the protocol? Are they standard?
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Suppose I have an archiving full node (i.e. a full node where all blocks are saved to disk forever) running on one of my computers. Now suppose I have another computer where I’d like to run a separate …
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As I understand, when Bitcoin Core has pruning turned on, it will flush the dbcache when it prunes unnecessary blk*.dat and rev*.dat files during ibd. In bitcoincore.reviews/20827, it states: &…
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I’m aware that when I first open a channel, all of the channel balance is on my side, so I can only send and not receive. So, I opened a channel and then sent my counterparty 1500 millisatoshis—but I …
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Sparrow 1.7.1 I decided to try out the Sparrow Wallet. Since Sparrow supports P2WPKH, P2WSH and P2TR I created one of each and verified that it was connecting to my Bitcoin Core node. However, I only …
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Using Lightning Dev Kit (LDK). Intuitively, it seems like the entire balance should be send-able.
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Greatest hits from previous weeks:
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Bitcoin seems to have the concept of a wallet and an address. Are they the same thing? If not, how do they differ?
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I created a brain wallet with a non standard phrase. So I have that, the private and public keys. Now this wallet app wants a 12 word recovery phrase to set up the wallet. How can I convert what I …
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I’ve got active connections & there are blocks downloaded but I don’t know what to do next. Presumably I need to transfer some money in there so I can buy bitcoins. But how? Any suggestions …
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I have recently learned about Bitcoin and would like to get rich quickly into mining. I have control of a laptop library full of ancient computers powerful gaming PC cluster of GPUs an old ASIC, I …
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The Bitcoin wiki Vocabulary article explains why the Merkle root exists: Every transaction has a hash associated with it. In a block, all of the transaction hashes in the block are themselves …
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This page: Blocks said mining is actually to solve a mathematical problem, but reading Block hashing algorithm doesn’t give much help. I also tried reading bitcoind source code, but reading code takes …
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Is there a website or service that can quickly lookup how much bitcoins are there in a given wallet/address, so I can look up my own wallet from a friend’s computer which doesn’t have the Bitcoin …
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Can you answer these questions?
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If a party agrees to lock coins in HTLC for payment (having hashlock for time T), and it receives a fee f if the HTLC succeeds, then does it mean that the opportunity cost of coins locked in HTLC is f?…
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Do Bitcoin Core and other base-layer implementations necessarily need further upgrades in order to become sufficiently fast and efficient to process the volume of transactions that you and others …
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I am trying to create a raw transaction P2TR, spending a Taproot UTXO using the script path. I did the following: Create a random private key d and corresponding pubkey P (the internal pubkey) …
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