Category : Bitcoin Stack Exchange

Bitcoin Stack Exchange

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?

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

Does the transaction fee depend on the transferred amount?

The cost of transactions is independent of the amount transferred. Rather it depends on the weight of the transaction, the current blockspace demand, and the urgency the sender wants to see it confirmed. A transaction's weight is calculated from the...

Is it practical to prevent 51 attack by having a second mining algorithm?

Is it practical to prevent a 51%-attack by having a second mining algorithm?

Cold Storage of Exchanges

address - Cold Storage of Exchanges - Bitcoin Stack Exchange Results from the 2022 Developer Survey are now available ...

Review of multisig funds protection strategy

What is the purpose of indexing transactions in mempool by these 5 criteria?

In bitcoin source code in this file, comment says that unconfirmed transactions are indexed by 5 criteria. * mapTx is a boost::multi_index that sorts the mempool on 5 criteria: * - transaction hash (txid) * - witness-transaction...

What is the purpose of indexing the mempool by these five criteria?

The mempool is the short-term memory of a full node. We use its content e.g. to: exchange information with peers build block templates estimate feerates track pending payments to our wallet The index allows us to look up the full transaction objects...

How do segwit nodes behave when they receive a transaction between two legacy nodes?

segregated witness - How do segwit nodes behave when they receive a transaction between two legacy nodes? - Bitcoin Stack Exchange Results from the 2022 Develop...

Bitcoin wallet.dat decryption

Bitcoin wallet.dat decryption - Bitcoin Stack Exchange Results from the 2022 Developer Survey are now available ...

8bethub New Crypto Casino with great sign up bonus!

Today, we celebrate the huge release of the new platform https://8bethub.com How to play? Simple, it follows the newly innovative next-gen dice game: You must guess the outcome number or what it will exceed on a scale from 1x to 1,0...

bitcoin recovery from bad investment?

bitcoind - bitcoin recovery from bad investment? - Bitcoin Stack Exchange Results from the 2022 Developer Survey are here. ...

What are the best bitcoin libraries to implement a wallet and its functionalities in a project?

It seems like there is some bitcoin librairies for interacting directly with a node, or through a server. I have seen a python, rust, go... Aside the fact that anyone can have a preference for a specific language, what do you think...

Where Is Signature Data Stored In Post-SegWit Transactions?

From the perspective of new post-segwit nodes, the witness data is part of the transaction data. It is serialized in a new field, after all the transaction outputs, before the locktime field. However, this field is stripped out before relaying to ol...

is possibile to fork the bitcoin blockchain and change it checking if the pow is created from a clean energy?

is possibile to fork the bitcoin blockchain and change it checking if the pow is created from a clean energy? No. It isn't possible because there's no way for other nodes to check the source of energy used by an anonymous member of an anonymous mi...

How can I search blocks for transactions in which an address was used as output without knowing complete address?

How to clear peer list?

bitcoin core - How to clear peer list? - Bitcoin Stack Exchange Results from the 2022 Developer Survey are here. ...

How Is A Bitcoin Transaction Signed Using the ECDSA?

You say you are familiar with how secp256k1 and ECDSA works but from what you say later I'm unsure whether you are. SegWit v0 didn't change the signing algorithm (ECDSA) nor the curve (secp256k1). SegWit v1 (Taproot) did change the signing algorithm...

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