How do I find out if I have bitcoins I purchased
Stack Exchange - Bitcoin
by Jonathan Haun
3d ago
I remember when they used to call people and sell Bitcoin over the phone I remember purchasing some and either 2008 or 2009 I ended up getting five of them with an actual coin sent to me how do I find out if they kept track of that ..read more
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Does Utreexo work with a prunned node?
Stack Exchange - Bitcoin
by Geremia
3d ago
Does the Utreexo UTXO accumulator work with with a prunned node, or must I have downloaded the entire blockchain before running Utreexo ..read more
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How to create a litecoin testnet segwit wallet offline [closed]
Stack Exchange - Bitcoin
by Sudhanshu Sinha
3d ago
Hi So I am using the bitcoinjs-lib pacakge to generate wallet address and private keys locally but it seems like it's creating the litecoin address of legacy type, my goal is here to create of segwit type which has a prefix like tltc here is my code: const bitcoin = require('bitcoinjs-lib'); function generateLtcAddress() { const litecoinTestnet = { messagePrefix: '\x19Litecoin Signed Message:\n', bip32: { public: 0x043587cf, private: 0x04358394 }, pubKeyHash: 0x6f, scriptHash: 0xc4, // for segwit (start with 2) wif ..read more
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How might you detect if two extended public keys have the same root private key?
Stack Exchange - Bitcoin
by Lee
3d ago
Say I derive three extended public keys1 (normal mode): Parent: Pubkey: 035f743ee7d73d27e8c80f6b2458e6d4e2a45f3d7dd35c4e4d84ff3d939d09f40c Chaincode 71d145eec8d031b39107cb7cb9641cc1e8169b6a25b489b157a0af2197717970 Children: Pubkey: 0317365d2ea4aa79e731fd4f0f6d60bf0ef75a35189a647667eebc9c7323d304d0 Chaincode 9cb9a9fe6e57b62f9a7970649d8dc4633fd9d4b5777a1397a275bd30a88c3111 Pubkey: 0230cdc8f7b84c0998ec182777d9d1f35ea45fe7620e979862c7025b18162108cb Chaincode 44b54106ea0720a1ac226d598b89297dfe8efd2b7abf75c88761aa6df9c2886b If I have any two of these three (child-child or parent-child (not knowing w ..read more
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Has There Been a Change in Bitcoin RPC's scriptPubKey Address Field
Stack Exchange - Bitcoin
by Sudhanshu Sinha
3d ago
So I have not been very into Bitcoin for a long time. My seniors worked on Bitcoin RPC methods in my project back in 2018-2019. At that time, the response of getblock was fetched, then we fetched the transaction from the response, and from the tx_hash, we used to fetch vout, then scriptPubKey, and from that, the old team fetched addresses. There used to be many addresses back then maybe. But now, in 2024, when I worked on it, I found that there is no addresses field in scriptPubKey, but instead, it's address, only one. So I just want to confirm if there have been any changes, and is there are ..read more
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Seed recovery from paper wallet
Stack Exchange - Bitcoin
by Volen
3d ago
My friend has found a file that seems to be a Bitcoin paper wallet backup, but it has quite strange seed encoding that I have never met before. It has: A field named "Key" - a short string (11 chars) with letters and digits 90 numbers each 6 digits Does anyone know how to decode such type of paper wallet ..read more
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Hello everyone, so I am new here and was wondering if anyone could tell me the process it takes to cash out my Bitcoin [duplicate]
Stack Exchange - Bitcoin
by Kellie Colonna
3d ago
If I don't have the money to withdraw the Bitcoin is there any thing else that I can do I have a substantial amount ..read more
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Expected payout per share with Rosenfeld's Double Geometric Method (DGM) [closed]
Stack Exchange - Bitcoin
by Lorban
3d ago
I am trying to understand this method kind of deeply, but there are some things that I do not get. In "Analysis of Bitcoin Pooled Mining Reward Systems" by M. Rosenfeld, there is a good survey of mining reward systems. I understood how the Geometric Method works, and in the same article (Appendix E) it is calculated the expected payout per share (1 − f )(1 − c)pB where f is the operator fee, p=1/Difficulty, B is the block reward and c is linked to average variable fee. This is invariant with respect to number of shares already submitted. In fact, the geometric method is said to be hopping-proo ..read more
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How to obtain private key from BIP-39 mnemonic
Stack Exchange - Bitcoin
by richard
3d ago
Trying to obtain a lost private key from 24 mnemonic phrases and a 25th word. Has anybody successfully managed to do this ? Have looked at BIP39 converter but not sure if this has that ability, and seems to return 128 character key and the wallet requires a 64 hexadecimel input ..read more
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How can a replace occur with a tx with lower fee and feerate?
Stack Exchange - Bitcoin
by user80100
1w ago
I have seen a tx A get replaced by a tx B, where B had a lower fee and feerate than A and it was broadcasted later. How is it possible? These are the txs details: Tx A: segwit, ̶t̶a̶p̶r̶o̶o̶t̶, ̶R̶B̶F̶ Tx B: segwit, ̶t̶a̶p̶r̶o̶o̶t̶, ̶R̶B̶F̶, Full RBF Can anyone help me understand it, please ..read more
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