Questions on: hash - страница 5

215 links found. blockchain - Can a Bitcoin block be less than 1mb? - Bitcoin Stack Exchange StackExchange. ready(function () { StackExchange
The answer of D. H. assumes the hashrate of the network never changes between difficulty jumps
While in theory, a fork can be achieved at any depth, in practice, the computing power needed to force a very deep fork is immense, making old blocks practically immutable. Consensus attacks also do not affect the security of the private keys and sig
I've never heard of Bitcoins, what exactly are they? Developed in 2009, Bitcoin (frequently referred to as BTC) is a digital form of currency, revolutionizing the world by becoming the first online currency able to be traded between individuals witho
There are two aspects to mining. The first is functional aspect (what is it supposed to achieve) and the second is the technical aspect (what is going on under the hood). For the sake of clarity I'll deal with both
The important thing here is, that every mining pool/solo miner is working on a different input: They have different coinbase transactions and are working on different sets of transactions. Further entropy can be added by changing the nonce and extra-
The important thing here is, that every mining pool/solo miner is working on a different input: They have different coinbase transactions and are working on different sets of transactions. Further entropy can be added by changing the nonce and extra-
Bitcoin provides a new approach to payments and, as such, there are some new words that might become a part of your vocabulary. Don't worry, even the humble television created new words! Table of contents A Bitcoin address is similar to a physical ad
I decided to see how practical it would be to mine Bitcoin with pencil and paper. It turns out that the SHA-256 algorithm used for mining is pretty simple and can in fact be done by hand. Not surprisingly, the process is extremely slow compared to ha
While you cannot use the bitcoin mining power itself to crack selected passwords, bitcoin makes it for the first time possible to encode and ensure monetary rewards for password cracking through self-enforcing contracts. For example, you could lock u