Bitcoin News / Bitcoin Stack Exchange - 2 years ago
Since each Bitcoin node only connects to a limited number of other peers, it's hard to measure the exact count of all Bitcoin nodes. There are a few projects that actively crawl the network to provide statistics, though. Easier to measure are nodes...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
I am trying to implement a bitcoin script interpreter and today I stumbled upon a nonstandard transaction in tx_valid.json which gave me a lot of headaches. The transaction in question has the following prevout script public key:
DU...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
segregated witness - Segwit: Does the nodes saves 2 types of blocks (or atleast in the past) - Bitcoin Stack Exchange
Bitcoin Stack Exchange is a question and answer site for Bit...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
I'm running a block parser that reads blocks/*.dat and I've noticed it dumps the stale blocks as well as the main chain blocks. My project only needs the main chain blocks, and I noticed that Core's pruned option removes stale block...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
While working on a trading strategy using the Binance API, I ran into a strange situation: the depth ticker websocket stream (which reports the order book surface in real time, i.e. the current best bid and ask prices and quanti...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
bitcoin core development - Bit Coin Recovery - Bitcoin Stack Exchange
Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
mnemonic seed - HD wallet parameters clarification - Bitcoin Stack Exchange
Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
exchanges - Anyone knew about bitnuxt.com? - Bitcoin Stack Exchange
Results from the 2022 Developer Survey are now available
...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
c++ - Import libbitcoin-system as static library on Windows - Bitcoin Stack Exchange
Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts....
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
Every Bitcoin block is required to have a coinbase transaction, regardless of fees or subsidy.
Additionally, every transaction (including the coinbase), must have at least one output (possibly 0-valued), and at least one input (in the case of a coin...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
blockexplorer - Best block explorer for windows with btc core synched - Bitcoin Stack Exchange
Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency en...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
The checksum of Base58Check encoding is simply a truncated hash of the rest of the bytes. This means there is no recovery algorithm other than just brute-forcing until the hash matches.
That is one of the big advantages of the Bech32 address format...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
Yes, it is a fundamental security assumption that the majority of the hashrate on the network is honest, where honest means "not collaborating to attack".
Assuming an antagonist with overwhelming hashrate appeared out of nowhere, this antagonist wou...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
No, just changing the output value would invalidate the transaction's signatures, which the application can easily verify. But since the application is not a fully validating node, what the attacker can do instead is to create their own transaction...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
Why does this guy say 2^80? can somebody explain?
That is explained in the comments to the question you linked.
To paraphrase
As numbers become large the number resulting from the birthday paradox approaches the square root. With Bitcoin these num...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
bitcoin cli - What is the proper way to import a wallet from a file after removing it completely - Bitcoin Stack Exchange
Bitcoin Stack Exchange is a question and answer site for...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
blockchain - How does PoW ensure that all the transactions are recorded and that all the transactions are valid? - Bitcoin Stack Exchange
Bitcoin Stack Exchange is a question and...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
seed - Would you need to access your cold wallet to generate a taproot xpub? - Bitcoin Stack Exchange
Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-curr...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
If we used any number less than 0x008000 in the lower 24 bits, then the exponent could be lowered, violating the rule that "targets are always stored with the lowest possible exponent."
For example, 0x05007fff (big endian) has exponent 0x05, so this...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
Gentlemen!Tell me what I'm doing wrong.Teach me how to use a calculator.
r=0x21bb0a10745f4e42260f802354007942d012e304d22c2cb539628752464c4a4c
s=0x538d3c1ddfee65734bda663d65e14258d44620e3d7a0f87d085b1bb16cc0c31d
z=0x7086268014c90...
Bitcoin News / Bitcoin Stack Exchange - 2 years ago
json rpc - What is the correct syntax when specifying the utxos to be used in c-lightning's `withdraw`? - Bitcoin Stack Exchange
Bitcoin Stack Exchange is a question and answer s...