Category : Bitcoin Stack Exchange

Bitcoin Stack Exchange

Why arent wallets made to generate more than 24 word recovery phrases?

BIP39 mnemonics are restricted to encode 128 to 256 bits of entropy corresponding to 12 to 24 words. Since 128 bits of security already appears to be quite enough (see this answer on Information Security StackExchange), a better question might be wh...

Why txindex breaks my partition?

Why Bitcoin Core -txindex breaks my partition? For three or four times, I have undoubtedly synced the chain up to 2017 or 2018, until it errors, then it crashes, upon unmounting the partition, subsequent e2fsck repairs the logical p...

Is it true that decentralized exchanges require centralized markets to be efficent?

Thanks for contributing an answer to Bitcoin Stack Exchange!Please be sure to answer the question. Provide details an...

Bitcoin blockchain verification on download

Bitcoin blockchain verification on download - Bitcoin Stack Exchange Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes a...

Drastic decrease in peers

Been running a standalone node on the same hardware for some years now. I run this node simply as a supportive node, unlocked bandwidth to facilitate people bootstrapping the blockchain. No settings have changed recently. I noticed...

Bitcoin-core download more then blockchain size

I have installed bitcoin-core on my digitalocean droplet and configured with the following bitcoin.conf : datadir=/mnt/volume_name/Bitcoin dbcache=1000 txindex=1 server=1 rpcuser=rpcuser rpcpassword=rpcpassword rpcport=8332 Then I...

Does current Bitcoin break in 2038?

block - Does current Bitcoin break in 2038? - Bitcoin Stack Exchange Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes a...

How to decipher Bitcoin Hex code?

How do Bitcoin miners/nodes access previous transactions?

merkle tree - How do Bitcoin miners/nodes access previous transactions? - Bitcoin Stack Exchange Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency...

Virtual Lightning channels for high availability

ln node reliability - Virtual Lightning channels for high availability - Bitcoin Stack Exchange Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency e...

Wasabi Wallet 2.0 coin control. How secure / private are sent coins now?

I have a wallet which contains several small coins each with a different level of privacy (Coin Join rounds) which generated in the Wasabi 1.1 There is a workaround for using coin control in Wasabi 2.0. Press Ctrl + C + D, select coins based on am...

How to get UTXOs using Bitcoinj

java - How to get UTXOs using Bitcoinj - Bitcoin Stack Exchange Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes a minu...

How does SpeedyMuSig compare to MuSig2?

There is a comparison table included in the Crites, Komlo, Maller paper. The only downsides (included in the table and the paper) of SpeedyMuSig are the additional group exponentiations in the KeyGen phase and KeyVerify phases. The MuSig2 paper (Ni...

In what data structure bitcoin transactions are stored in blockchain

What data structure is used to store the bitcoin transactions in the blockchain?

Mining stale low-difficulty blocks as a DoS attack

Bitcoin determines the best chain by choosing the one with the most work. As "work" is a bit nebulous, it is specifically determined using a metric called "chainwork". Chainwork is just the expected number of hashes required to produce all of the bl...

How does the wallet know that this seed phrase is generated before?

How does the wallet know that this seed phrase is generated before? - Bitcoin Stack Exchange Results from the 2022 Developer Survey are now available ...

Bitcoin hash rates/difficulty

Difficulty is defined relatively: it is how much more difficult it is to mine a block compared to a fixed "maximum target", which corresponds to roughly 232 hashes. In more detail, a Bitcoin block is PoW-valid when its hash (interpreted as a 256-bit...

Does Bitcoin fee depend on amount?

A Bitcoin transaction is a combination of one or more inputs and one or more outputs. Each input is itself an out put of a previous transaction. So it is not liquid. I think it is good to think of them as paper banks. If you buy something that costs...

How did we know that Satoshi Nakamoto has one million bitcoin?